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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 439-360-2 | CAS number: 142877-45-0
- 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
Administrative data
First-aid measures
Emergency measure - Eyes: Immediately flush with water for at least 15 minutes.
Emergency measure - Skin: Remove the liquid from the skin with dry cloth and wash with
detergent.
Emergency measure - Ingestion: Make effort to wash out the mouth with water as much as
possible before calling a physician.
Fire-fighting measures
Recommended extinguishing agent: Carbon dioxide or foam extinguisher should be used.
Product arising from burning: Carbon dioxide, water and silica ash are produced by
complete combustion.
Various intermediate organic oxides such as aldehydes and
carbon monoxide can be included.
Product determined by test: N
Protective equipment: Personal protective equipment of gloves and eye glasses
should be worn to avoid direct contact to skin or eyes
during the use.
Accidental release measures
Emergency measures in case of spillage: In the case of accidental spillage, the substance is wiped
off the floor with cloth, and the floor should be washed
with detergent.
The used cloth should be contained in a closed container,
waiting for incineration.
Handling and storage
Handling: The substance is revealed to be irritating to the skin.
Therefore, personal protective equipments to avoid direct
contact to skin or eyes should be used during the use.
Storage: The substance should be stored in closed containers at a
cool place without any ignition source.
Packaging of the substance and or preparation: The substance should be packaged in cans or drums of
resin-coated steel.
Transport information
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Marine transport (UN RTDG/IMDG)
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Air transport (UN RTDG/ICAO/IATA)
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Special provisions / remarks
- Remarks:
- Transport: Usual cans and drums of resin-coated steel should be used.
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Exposure controls / personal protection
Stability and reactivity
Danger other than fire: The substance is known to react gradually but steadily with
water or moisture even in the ordinary conditions.
The reaction is not so risky (not explosive, not especially
exothermic).
Chemical reaction with water: Methoxy groups directly combined to Si atom are reactive to
water like this:
Si -- OCH3 ---> Si--OH + CH3OH
H2O
Dust explosion determined by test: N
Disposal considerations
Industry - Possibility of recovery/recycling: Recycling of the used substance will be impossible because
of the reactivity in water. The substance will have been
irreversibly hydrolused before recovery.
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.