Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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EC number: 201-058-1 | CAS number: 77-78-1
Guidance on Safe Use
Administrative data
First-aid measures
Remove contaminated clothes immediately and soak in Ammonia water.
Clean body thoroughly (shower or bathe)
Seek medical advice immediately
After inhalation
Remove the casualty into fresh air and keep him calm.
Summon a doctor immediately.
After contact with skin
In case of contact with skin wash off immediately with soap and water
Remove contaminated clothes, under clothes and shoes immediately.
Keep wounds covered free of germs.
Keep body calm, protect against loss of heat.
Take for medical treatment
After contact with eyes
In case of contact with eyes rinse thoroughly with plenty of water and seek medical advice
After ingestion
Let plenty of water be drunk in small gulps.
Provide for body rest, protect against loss of heat.
seek medical attention.
Advice to doctor
Treatment
Symptoms appear mostly after several hours.
If there is a breathing problem give oxygen
Fire-fighting measures
foam
dry powder
carbon dioxide
water spray jet
Special hazards from the substance itself, its combustion products or from its vapours
In case of fires, hazardous combustion gases are formed: Carbon monoxide (CO)
Sulphur dioxide (SO2)
Special protective equipment for firefighting
Use self-contained breathing apparatus
Accidental release measures
Avoid contact with skin and eyes.
Wear personal protective equipment. Unprotected persons must be kept away.
Environmental precautions
Do not discharge into the drains/surface waters/groundwater.
Methods for cleaning up/taking up
Do not spread product with water.
Transpose with caustic soda or ammonia.
Reclean wetted surface thoroughly with ammonia water.
Cleaning operations should be carried out only with breathing apparatus.
When picked up, treat material as prescribed under heading "Disposal".
Containers in which spilt substance has been collected must be adequately labelled
Handling and storage
Do not transport or store with easily combustible substances.
Advice on protection against fire and explosion
Keep away from sources of ignition
The product is combustible.
Requirements for storage rooms and vessels
Keep only in the original container
Advice on storage compatibility
Do not store or transport together with foodstuffs
Further information on storage conditions
Keep container tightly closed and dry in a cool, well-ventilated place
Keep locked up
Transport information
Land transport (UN RTDG/ADR/RID)
- UN number:
- UN 1595
Shipping information
- Proper shipping name and description:
- Dimethyl sulphate
- Language:
- English
SpecialProvisionsopen allclose all
Inland waterway transport (UN RTDG/ADN(R))
- UN number:
- UN 1595
Shipping information
- Proper shipping name and description:
- Dimethyl sulphate
- Language:
- English
Remarksopen allclose all
Marine transport (UN RTDG/IMDG)
- UN number:
- UN 1595
Shipping information
- Proper shipping name and description:
- Dimethyl sulphate
Remarksopen allclose all
Air transport (UN RTDG/ICAO/IATA)
Shippingopen allclose all
Special provisions / remarks
- Remarks:
- shipment not permitted
SpecialProvisionsopen allclose all
Exposure controls / personal protection
On no account inhale vapours
Contact with eyes and skin must be avoided
Avoid exposure - obtain special instructions before use
Hygiene measures
Keep away from foodstuffs and beverages.
Clean skin thoroughly immediately after working with the product.
Respiratory protection : Short term: filter apparatus, Filter A
Self-contained breathing apparatus
Hand protection : For short-term exposure (splash protection):
Neoprene gloves
Minimum breakthrough time / gloves : 120 min
Polychloroprene gloves
Minimum breakthrough time / gloves : 480 min
Minimum thickness / gloves 0,5 mm
Butyl rubber gloves.
Minimum breakthrough time / gloves : 480 min
Minimum thickness / gloves 0,5 mm
These types of protective gloves are offered by various
manufacturers. Please note the manufacturers´ detailed
statements, especially about the minimum thickness and the
minimum breakthrough time. Consider also the particular
working conditions under which the gloves are being used.
Eye protection : safety glasses/face shield
Body protection : protective clothing
Stability and reactivity
Hazardous reactions
Reactions with alkalies.
At higher temperatures, reaction with water takes place.
Hazardous decomposition products
Sulphur dioxide
Disposal considerations
Carefully add the product with constant stirring to a cold ammonia solution of maximum
10% concentration.
Uncleaned packaging
Packaging that cannot be cleaned should be disposed of as product waste
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.
