Registration Dossier
Registration Dossier
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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Diss Factsheets
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 231-957-4 | CAS number: 7782-49-2
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Article service life
Documentsopen allclose all
Service life
- Article used by:
- workers
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 7: Metal articles
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC12a: Processing of articles at industrial sites with low release
Contributing activity / technique for workers
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Related assessment:
- use assessed in a joint CSR
Service life
- Article used by:
- workers
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 3: Electrical batteries and accumulators
- AC 7: Metal articles
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC12a: Processing of articles at industrial sites with low release
Contributing activity / technique for consumersopen allclose all
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- Article category (AC):
- AC 3: Electrical batteries and accumulators
- Article category (AC):
- AC 7: Metal articles
- Related assessment:
- use assessed in a joint CSR
Service life
- Article used by:
- workers
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 7: Metal articles
Contributing activity / technique for consumersopen allclose all
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- Article category (AC):
- AC 7: Metal articles
- Related assessment:
- use assessed in a joint CSR
Service life
- Article used by:
- workers
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 3: Electrical batteries and accumulators
- AC 7: Metal articles
Contributing activity / technique for the environmentopen allclose all
- Environmental release category (ERC):
- ERC10a: Widespread use of articles with low release (outdoor)
- Environmental release category (ERC):
- ERC11a: Widespread use of articles with low release (indoor)
Contributing activity / technique for consumersopen allclose all
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- Article category (AC):
- AC 3: Electrical batteries and accumulators
- Article category (AC):
- AC 7: Metal articles
- Related assessment:
- use assessed in a joint CSR
Service life
- Article used by:
- workers
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 7: Metal articles
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC12a: Processing of articles at industrial sites with low release
Contributing activity / technique for consumersopen allclose all
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- Article category (AC):
- AC 7: Metal articles
- Related assessment:
- use assessed in a joint CSR
Service life
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Name:
- selenium high purity, massive (boundary composition 2m)
- Type of composition:
- boundary composition of the substance
- State / form:
- other: massive
- Reference substance:
- selenium high purity, massive (boundary composition 2m)
- Name:
- Selenium crude, massive (boundary composition 1m)
- Type of composition:
- boundary composition of the substance
- State / form:
- other: massive
- Reference substance:
- Selenium crude, massive (boundary composition 1m)
- Article used by:
- workers
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 3: Electrical batteries and accumulators
- AC 7: Metal articles
- Substance intended to be released from article:
- no
- Name of activity / technique:
- assembly of selenium containing articles
- Environmental release category (ERC):
- ERC12a: Processing of articles at industrial sites with low release
- Name of activity / technique:
- assembly of selenium containing articles
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Related assessment:
- use assessed in a joint CSR
Referenceopen allclose all
Contributing activity / technique for the environment
Contributing activity / technique for workers
Service life
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Name:
- Selenium crude, powder (boundary composition 1p)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- Selenium crude, powder (boundary composition 1p)
- Name:
- selenium high purity, powder
- Type of composition:
- legal entity composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium high purity, powder
- Name:
- selenium high purity, powder (boundary composition 2p)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium high purity, powder (boundary composition 2p)
- Name:
- Selenium metal fine powder
- Type of composition:
- legal entity composition of the substance
- State / form:
- solid: particulate/powder
- Related composition:
- selenium high purity, powder (boundary composition 2p)
- Reference substance:
- Selenium metal fine powder
- Article used by:
- workers
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 7: Metal articles
- Substance intended to be released from article:
- no
- Environmental release category (ERC):
- ERC12a: Processing of articles at industrial sites with low release
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Related assessment:
- use assessed in a joint CSR
Referenceopen allclose all
Contributing activity / technique for the environment
Contributing activity / technique for workers
Service life
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Name:
- Selenium crude, massive (boundary composition 1m)
- Type of composition:
- boundary composition of the substance
- State / form:
- other: massive
- Reference substance:
- Selenium crude, massive (boundary composition 1m)
- Name:
- Selenium crude, powder (boundary composition 1p)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- Selenium crude, powder (boundary composition 1p)
- Name:
- selenium high purity, massive (boundary composition 2m)
- Type of composition:
- boundary composition of the substance
- State / form:
- other: massive
- Reference substance:
- selenium high purity, massive (boundary composition 2m)
- Name:
- selenium high purity, powder
- Type of composition:
- legal entity composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium high purity, powder
- Name:
- selenium high purity, powder (boundary composition 2p)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium high purity, powder (boundary composition 2p)
- Name:
- Selenium metal fine powder
- Type of composition:
- legal entity composition of the substance
- State / form:
- solid: particulate/powder
- Related composition:
- selenium high purity, powder (boundary composition 2p)
- Reference substance:
- Selenium metal fine powder
- Name:
- selenium metal shot
- Type of composition:
- legal entity composition of the substance
- State / form:
- other: massive
- Related composition:
- selenium high purity, massive (boundary composition 2m)
- Reference substance:
- selenium metal shot
- Article used by:
- workers
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 7: Metal articles
- Substance intended to be released from article:
- no
- Environmental release category (ERC):
- ERC12a: Processing of articles at industrial sites with low release
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Related assessment:
- use assessed in a joint CSR
Referenceopen allclose all
Contributing activity / technique for the environment
Contributing activity / technique for workers
Service life
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Name:
- Selenium crude, massive (boundary composition 1m)
- Type of composition:
- boundary composition of the substance
- State / form:
- other: massive
- Reference substance:
- Selenium crude, massive (boundary composition 1m)
- Name:
- Selenium crude, powder (boundary composition 1p)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- Selenium crude, powder (boundary composition 1p)
- Name:
- selenium powder and granules (boundary composition 3)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium powder and granules (boundary composition 3)
- Name:
- selenium high purity, massive (boundary composition 2m)
- Type of composition:
- boundary composition of the substance
- State / form:
- other: massive
- Reference substance:
- selenium high purity, massive (boundary composition 2m)
- Name:
- selenium high purity, powder
- Type of composition:
- legal entity composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium high purity, powder
- Name:
- selenium low grade, powder or granules (boundary composition 4)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium low grade, powder or granules (boundary composition 4)
- Name:
- selenium grade with arsenic, powder and granules (boundary composition 3)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- >= 95 - <= 99 % (w/w)
- Reference substance:
- selenium grade with arsenic, powder and granules (boundary composition 3)
- Reference substance:
- selenium grade with arsenic, powder and granules (boundary composition 3)
- This impurity is considered relevant for the classification and labelling of the substance
- Name:
- selenium high purity, powder (boundary composition 2p)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium high purity, powder (boundary composition 2p)
- Name:
- selenium low grade, powder or granules (boundary composition 4)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- >= 95 - <= 99 % (w/w)
- Reference substance:
- selenium low grade, powder or granules (boundary composition 4)
- Reference substance:
- selenium low grade, powder or granules (boundary composition 4)
- This impurity is considered relevant for the classification and labelling of the substance
- Reference substance:
- selenium low grade, powder or granules (boundary composition 4)
- This impurity is considered relevant for the classification and labelling of the substance
- Reference substance:
- selenium low grade, powder or granules (boundary composition 4)
- This impurity is considered relevant for the classification and labelling of the substance
- Reference substance:
- selenium low grade, powder or granules (boundary composition 4)
- This impurity is considered relevant for the classification and labelling of the substance
- Name:
- Selenium metal fine powder
- Type of composition:
- legal entity composition of the substance
- State / form:
- solid: particulate/powder
- Related composition:
- selenium high purity, powder (boundary composition 2p)
- Reference substance:
- Selenium metal fine powder
- Name:
- selenium metal shot
- Type of composition:
- legal entity composition of the substance
- State / form:
- other: massive
- Related composition:
- selenium high purity, massive (boundary composition 2m)
- Reference substance:
- selenium metal shot
- Article used by:
- workers
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 3: Electrical batteries and accumulators
- AC 7: Metal articles
- Substance intended to be released from article:
- no
- Name of activity / technique:
- use of articles
- Environmental release category (ERC):
- ERC12a: Processing of articles at industrial sites with low release
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Related assessment:
- use assessed in a joint CSR
Referenceopen allclose all
Contributing activity / technique for the environment
Contributing activity / technique for workers
Service life
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Name:
- selenium high purity, massive (boundary composition 2m)
- Type of composition:
- boundary composition of the substance
- State / form:
- other: massive
- Reference substance:
- selenium high purity, massive (boundary composition 2m)
- Name:
- selenium high purity, powder (boundary composition 2p)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium high purity, powder (boundary composition 2p)
- Name:
- Selenium crude, powder (boundary composition 1p)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- Selenium crude, powder (boundary composition 1p)
- Name:
- Selenium crude, massive (boundary composition 1m)
- Type of composition:
- boundary composition of the substance
- State / form:
- other: massive
- Reference substance:
- Selenium crude, massive (boundary composition 1m)
- Article used by:
- workers
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 7: Metal articles
- Substance intended to be released from article:
- no
- Name of activity / technique:
- processing and assembly of selenium containing articles
- Environmental release category (ERC):
- ERC12a: Processing of articles at industrial sites with low release
- Name of activity / technique:
- processing and assembly of selenium containing articles
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Related assessment:
- use assessed in a joint CSR
Referenceopen allclose all
Contributing activity / technique for the environment
Contributing activity / technique for workers
Service life
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Name:
- Selenium crude, massive (boundary composition 1m)
- Type of composition:
- boundary composition of the substance
- State / form:
- other: massive
- Reference substance:
- Selenium crude, massive (boundary composition 1m)
- Name:
- selenium high purity, massive (boundary composition 2m)
- Type of composition:
- boundary composition of the substance
- State / form:
- other: massive
- Reference substance:
- selenium high purity, massive (boundary composition 2m)
- Article used by:
- workers
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 3: Electrical batteries and accumulators
- AC 7: Metal articles
- Substance intended to be released from article:
- no
- Name of activity / technique:
- use of selenium containing articles
- Environmental release category (ERC):
- ERC10a: Widespread use of articles with low release (outdoor)
- Name of activity / technique:
- use of selenium containing articles
- Environmental release category (ERC):
- ERC11a: Widespread use of articles with low release (indoor)
- Name of activity / technique:
- use of selenium containing articles
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Related assessment:
- use assessed in a joint CSR
Referenceopen allclose all
Contributing activity / technique for the environmentopen allclose all
Contributing activity / technique for workers
Service life
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Name:
- Selenium crude, massive (boundary composition 1m)
- Type of composition:
- boundary composition of the substance
- State / form:
- other: massive
- Reference substance:
- Selenium crude, massive (boundary composition 1m)
- Name:
- Selenium crude, powder (boundary composition 1p)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- Selenium crude, powder (boundary composition 1p)
- Name:
- selenium powder and granules (boundary composition 3)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium powder and granules (boundary composition 3)
- Name:
- selenium high purity, massive (boundary composition 2m)
- Type of composition:
- boundary composition of the substance
- State / form:
- other: massive
- Reference substance:
- selenium high purity, massive (boundary composition 2m)
- Name:
- selenium high purity, powder
- Type of composition:
- legal entity composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium high purity, powder
- Name:
- selenium low grade, powder or granules (boundary composition 4)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium low grade, powder or granules (boundary composition 4)
- Name:
- selenium grade with arsenic, powder and granules (boundary composition 3)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- >= 95 - <= 99 % (w/w)
- Reference substance:
- selenium grade with arsenic, powder and granules (boundary composition 3)
- Reference substance:
- selenium grade with arsenic, powder and granules (boundary composition 3)
- This impurity is considered relevant for the classification and labelling of the substance
- Name:
- selenium high purity, powder (boundary composition 2p)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium high purity, powder (boundary composition 2p)
- Name:
- selenium low grade, powder or granules (boundary composition 4)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- >= 95 - <= 99 % (w/w)
- Reference substance:
- selenium low grade, powder or granules (boundary composition 4)
- Reference substance:
- selenium low grade, powder or granules (boundary composition 4)
- This impurity is considered relevant for the classification and labelling of the substance
- Reference substance:
- selenium low grade, powder or granules (boundary composition 4)
- This impurity is considered relevant for the classification and labelling of the substance
- Reference substance:
- selenium low grade, powder or granules (boundary composition 4)
- This impurity is considered relevant for the classification and labelling of the substance
- Reference substance:
- selenium low grade, powder or granules (boundary composition 4)
- This impurity is considered relevant for the classification and labelling of the substance
- Name:
- Selenium metal fine powder
- Type of composition:
- legal entity composition of the substance
- State / form:
- solid: particulate/powder
- Related composition:
- selenium high purity, powder (boundary composition 2p)
- Reference substance:
- Selenium metal fine powder
- Name:
- selenium metal shot
- Type of composition:
- legal entity composition of the substance
- State / form:
- other: massive
- Related composition:
- selenium high purity, massive (boundary composition 2m)
- Reference substance:
- selenium metal shot
- Article used by:
- workers
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 3: Electrical batteries and accumulators
- AC 7: Metal articles
- Substance intended to be released from article:
- no
- Environmental release category (ERC):
- ERC10a: Widespread use of articles with low release (outdoor)
- Environmental release category (ERC):
- ERC11a: Widespread use of articles with low release (indoor)
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Related assessment:
- use assessed in a joint CSR
Referenceopen allclose all
Contributing activity / technique for the environmentopen allclose all
Contributing activity / technique for workers
Service life
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Name:
- selenium high purity, powder (boundary composition 2p)
- Type of composition:
- boundary composition of the substance
- State / form:
- solid: particulate/powder
- Reference substance:
- selenium high purity, powder (boundary composition 2p)
- Article used by:
- workers
- Article category (AC):
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 7: Metal articles
- Substance intended to be released from article:
- no
- Name of activity / technique:
- processing and assembly of selenium coated drums
- Environmental release category (ERC):
- ERC12a: Processing of articles at industrial sites with low release
- Name of activity / technique:
- processing and assembly of selenium coated drums
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Related assessment:
- use assessed in a joint CSR
Reference
Contributing activity / technique for the environment
Contributing activity / technique for workers
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.