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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
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EC number: 222-813-1 | CAS number: 3618-72-2
- 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
Explosiveness
Administrative data
Link to relevant study record(s)
- Endpoint:
- explosive properties of explosives
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- other: VDI 2263 Part 1
- Principles of method if other than guideline:
- The test is performed with the falling hammer (impact energy 40 J). If at least in one out of ten times, without the sensitizing aluminum-wrapping, a blast is registered, the substance is shock sensitive. Otherwise it is not sensitive to impact.
- GLP compliance:
- no
- Key result
- Parameter:
- sensitiveness to impact: impact energy (J)
- Remarks on result:
- not sensitive to impact using an impact energy of 40 J
- Interpretation of results:
- study cannot be used for classification
- Conclusions:
- Under the experimental conditions the substance is not considered to be explosive.
- Executive summary:
The substance was tested for impact sensitivity following VDI Method 2263 Part 1. Impact sensitivy was tested by means of a falling hammer (40 J). Under the experimental conditions the substance is not considered to be explosive (Dystar, 1995).
- Endpoint:
- explosive properties of explosives
- Type of information:
- other: expert judgement
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Expert judgment based on thermal analysis and structural alerts
- Principles of method if other than guideline:
- Expert judgement based on adaptations on information requirements for explosive properties as per Column 2 of Annex VII of REACH Regulation
- GLP compliance:
- no
- Key result
- Parameter:
- other: assessment based on structure
- Remarks on result:
- not measured/tested
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- Based on expert judgement, the substance is not considered to be explosive.
- Executive summary:
An expert judgement based on adaptations on information requirements for explosive properties as per column 2 of Annex VII of REACH Regulation was performed. Based on the expert judgement, the substance is not considered to be explosive (Reach&Colours, 2015).
Referenceopen allclose all
To determine, whether the dye structure itself could harbour explosive properties the following assessment is considered: Column 2 of REACH Annex VII provides the following specific rules for adaptation of the standard information requirement for explosive properties.
The study does not need to be conducted if:
• there are no chemical groups associated with explosive properties present in the molecule, or
• the substance contains chemical groups associated with explosive properties which include oxygen and the calculated oxygen balance is less than 200, or
• The organic substance or a homogenous mixture of organic substances contains chemical groups associated with explosive properties, but the exothermic decomposition energy is less than 500 J/g and the onset of exothermic decomposition is below 500 °C.
The target substance contains azo groups (-N=N-structural alerts as reported in Table R.7.1.-28 of the Information Requirements Guidances) and two nitro groups (-NO2 structural alerts as reported in Table R.7.1.-28 of the Information Requirements Guidances) which are structural alerts for explosive properties. However, the thermal behaviour of the substance was tested by DSC from 40 °C to 440 °C. The onset of melting is below 500 °C (i.e. 215.9 °C) and the decomposition energy is below 500 J/g (ca. 489.9 J7g). Based on all the above considerations, the substance is not considered explosive and the explosive properties test does not need to be conducted.
Description of key information
The explosiveness was determined according to VDI Method 2263 Part 1 (Dystar, 1995) and by expert judgement based on the structure of the test substance (Reach&Colours, 2015).
Key value for chemical safety assessment
- Explosiveness:
- non explosive
Additional information
Justification for classification or non-classification
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.