Note: Ingredients listed on restricted chemical lists
EC/CAS
756-79-6
Name of the chemical
Dimethyl methylphosphonate
Concentration
>= 90 - <= 100
General Information
Version
6.7
Revision date
2026-07-15
Product name
Dimethyl methylphosphonate
CAS No.
756-79-6
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H227, H319, H340, H361
Hazard statements
Code
Statements
H227
Combustible liquid
Section 2
SECTION 2: Hazards identification
Other hazards
None known
Signal word
Danger
Hazard statements
H227 Combustible liquid. H319 Causes serious eye irritation. H340 May cause genetic defects. H361 Suspected of damaging fertility or the unborn child.
Prevention
P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P210 Keep away from heat/ sparks/ open flames/ hot surfaces. No smoking. P264 Wash skin thoroughly after handling. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
Response
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P313 IF exposed or concerned: Get medical advice/ attention. P337 + P313 If eye irritation persists: Get medical P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
Storage
P403 + P235 Store in a well-ventilated place. Keep cool. P405 Store locked up.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
(29 CFR 1910.1200) Hazards for the product as supplied Flammable liquids : Category 4 Eye irritation : Category 2A Germ cell mutagenicity : Category 1B Reproductive toxicity : Category 2 Other hazards
