Note: Ingredients listed on restricted chemical lists
EC/CAS
201-058-1/77-78-1
Name of the chemical
Dimethyl sulphate
Concentration
≥99
General Information
Version
5.0
Revision date
2025-09-09
Product name
Dimethyl sulfate
Product name
Dimethyl sulfate
Identification on the label/Trade name
Ing. Petr Švec - PENTA s.r.o
Substance name
dimethyl sulphate
Chemical name
dimethyl sulphate
CAS No.
77-78-1
supplier name
Ing. Petr Švec - PENTA s.r.o
Icons in SDS
Company Information
company name
Ing. Petr Švec - PENTA s.r.o
e-mail address of the competent person responsible for the Safety Data Sheet
info@pentachemicals.eu
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H301, H314, H317, H318, H330, H335, H341, H350
Hazard statements
Code
Statements
H301
Toxic if swallowed
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Signal word
Danger Dangerous substance dimethyl sulphate (Index 016-023-00-4; CAS 77-78-1)
Hazard statements
H301 Toxic if swallowed. H314 Causes severe skin burns and eye damage. H317 May cause an allergic skin reaction. H330 Fatal if inhaled. H335 May cause respiratory irritation. H341 Suspected of causing genetic defects. H350 May cause cancer.
Precautionary statements
P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P310 Immediately call a doctor.
Other hazards
The substance does not have endocrine disrupting properties in accordance with the criteria set out in Commission Delegated Regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605. Substance does not meet the
2.1 Classification of the substance or mixture
Classification of the substance in accordance with Regulation (EC) No 1272/2008 The substance is classified as dangerous. Acute Tox. 3, H301 Skin Corr. 1B, H314 Skin Sens. 1, H317 Eye Dam. 1, H318 Acute Tox. 2, H330 STOT SE 3, H335 Muta. 2, H341 Carc. 1B, H350 Most serious adverse effects on human health and the environment Toxic if swallowed. Causes severe skin burns and eye damage. May cause an allergic skin reaction. Causes serious eye damage. Fatal if inhaled. May cause respiratory irritation. Suspected of causing genetic defects. May cause cancer. 5.0