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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 256-442-1 | CAS number: 49715-04-0
Guidance on Safe Use
Administrative data
First-aid measures
Take off contaminated clothing immediately.
Persons who have come into contact with the material or have breathed in vapours should get immediate medical teatment also in case of delayed symptoms.
In case of unconsciousness place patient stably in side position for transportation.
Fire-fighting measures
Suitable extinguishing agents:
CO2, powder or water spray. Fight larger fires with water spray or alcohol resistant foam.
Wear self-contained respiratory protective device.
Use chemical protective suit and self contained breathing apparatus while undressing contaminated co-workers or handling contaminated equipment.
Collect contaminated fire fighting water separately. It must not enter the sewage system.
Accidental release measures
Do not flush into surface water or sanitary sewer system.
Avoid spillage of product into the environment.
Access only for trained personnel with personal protective equipment.
Handling and storage
Use explosion-proof apparatus / fittings and spark-proof tools.
Store in a cool location.
Store away from oxidizing agents.
Protect from humidity and water.
Transport information
Land transport (UN RTDG/ADR/RID)
- UN number:
- 2927
Shipping information
- Proper shipping name and description:
- TOXIC LIQUID, CORROSIVE, ORGANIC, N.O.S. (Chloromethyl chlorosulfate)
- Chemical name:
- Chlorosulfuric acid, chloromethyl ester
- Language:
- English
- Labels:
- 6.1+8
Special provisions / remarks
- Special provisions:
- 274
Inland waterway transport (UN RTDG/ADN(R))
- UN number:
- 2927
Shipping information
- Proper shipping name and description:
- TOXIC LIQUID, CORROSIVE, ORGANIC, N.O.S. (Chloromethyl chlorosulfate)
- Chemical name:
- Chlorosulfuric acid, chloromethyl ester
- Language:
- English
- Labels:
- 6.1+8
Remarksopen allclose all
Marine transport (UN RTDG/IMDG)
- UN number:
- 2927
Shipping information
- Proper shipping name and description:
- TOXIC LIQUID, CORROSIVE, ORGANIC, N.O.S. (Chloromethyl chlorosulfate)
- Chemical name:
- Chlorosulfuric acid, chloromethyl ester
- Labels:
- 6.1+8
Remarksopen allclose all
Air transport (UN RTDG/ICAO/IATA)
- UN number:
- 2927
Shipping information
- Proper shipping name and description:
- TOXIC LIQUID, CORROSIVE, ORGANIC, N.O.S. (Chloromethyl chlorosulfate)
- Chemical name:
- Chlorosulfuric acid, chloromethyl ester
- Labels:
- 6.1+8
Remarksopen allclose all
Additional transport information
Additional information
- Special provisions / remarks / other:
- FORBIDDEN for passenger aircraft. May be carried in cargo aircraft, maximum net quantity 2.5 litres per package.
Exposure controls / personal protection
Tightly sealed goggles.
Use only liquid proof and chemical resistant protective suit and gloves.
Use respiratory protection.
Stability and reactivity
Sensitive to humidity and water, hydrolysis.
Disposal considerations
Packagings that may not be cleaned are to be disposed of in the same manner as the product.
Discharge into waste water channels and biological treatment plants only after clearence with the operating company and in accordance with local Authority approval.
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.
