Note: Ingredients listed on restricted chemical lists
EC/CAS
67-68-5
Name of the chemical
dimethyl sulphoxide
Concentration
≤100%
General Information
Revision date
2026-06-05
Product name
Dimethyl Sulfoxide
Product Synonyms
Methyl sulfoxide; DMSO
CAS No.
67-68-5
Emergency telephone
1-800-535-5053, 1-352-323-3500
Icons in SDS
Company Information
company name
Lab Alley, LLC
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H227
Hazard statements
Code
Statements
H227
Combustible liquid
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture
Hazard pictograms
None Required.
Signal word
Warning
Hazard statements
H227 Combustible liquid.
Precautionary statements
P210 Keep away from heat/ sparks/ open flames/ hot surfaces. No smoking. P280 Wear protective gloves/ eye protection/ face protection. P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. P403 + P235 Store in a well-ventilated place. Keep cool. P501 Dispose of contents/ container to an approved waste disposal plant.
2.3 Other hazards
DMSO readily penetrates skin and may carry other dissolved chemicals into the body.
2.1 Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) Flammable liquids (Category 4)