CAS : 75-75-2
UN# : UN3265
MDL : MFCD00007518
Hazard Class : 8
EINECS : 200-898-6
Packing Group : II
Other name :
Mesic acidMethylsulfonic acid
Chemical Properties
Formula : CH4O3S
Formula weight : 96.10
Melting Point : 19-20°
Boiling Point : 166-168°/10mm
Flash point : 156°(312°F)
Density : 1.481
Refractive Index : 1.4300
Sensitivity : Hygroscopic. Store under Nitrogen. Ambient temperatures.
Form : Liquid
Solubility : Miscible with water. Slightly miscible with benzene and toluene. Immiscible with paraffins.
Literature References
Strong acid which has been used for the deprotection of peptides; see Appendix 6. Cleaves methyl ethers of phenols in the presence of the soft nucleophile methionine as a methyl acceptor. Polymethoxyaldehydes or ketones undergo selective cleavage of the methoxy group meta to the carbonyl: J. Chem. Soc., Perkin 1, 2288 (1977). Similarly, in combination with dimethyl sulfide, selective O-demethylation of mixed phosphate esters occurs: Synthesis, 451 (1983).
Notes
Moisture, light and heat sensitive. Hygroscopic. Keep container tightly closed in a dry and well-ventilated place. Incompatible with amines, strong reducing agents, ethyl vinyl ether, hydrofluoric acid, strong oxidizing agents and bases.Other References:Beilstein: 1446024Merck: 14,5954UN#: UN3265
Grade Specifications
Grade Specifications
Hazard Statements : H314Causes severe skin burns and eye damage.
Precautionary Statements : P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501aDo not breathe dust/fume/gas/mist/vapours/spray.IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.
| Pakage | 100g, 2500g, 500g |
|---|---|
| brand | Alfa Aesar |
