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methanesulfonic acid

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Origin: China

Cas No: 75-75-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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CAS No.: 75-75-2 Formula: CH4O3S Molecular Weight: 96.10570

Description

Methanesulfonic acid (MsOH) is a colorless liquid with the chemical formula CH3SO3H. It is the simplest of the alkylsulfonic acids. Salts and esters of methanesulfonic acid are known as mesylates (or methanesulfonates, as in ethyl methanesulfonate). It is hygroscopic in its concentrated form. Methanesulfonic acid may be considered an intermediate compound between sulfuric acid (H2SO4), and methylsulfonylmethane ((CH3)2SO2), effectively replacing an –OH group with a –CH3 group at each step. This pattern can extend no further in either direction without breaking down the –SO2– group. Methanesulfonic acid can dissolve a wide range of metal salts, many of them in significantly higher concentrations than in hydrochloric or sulphuric acid.

Basic Info

Chemical Name	methanesulfonic acid
Synonyms	Methanesulfonic Acid;
CAS No.	75-75-2
Molecular Formula	CH4O3S
Molecular Weight	96.10570
PSA	62.75000
LogP	0.58480

Properties

Appearance & Physical State	Colorless to pale yellow liquid
Density	1.481
Boiling Point	167ºC (10 torr)
Melting Point	-60ºC
Flash Point	189ºC
Refractive Index	1.413-1.415
Stability	Stable. Moisture sensitive. Incompatible with amines, bases, water, common metals. Releases a substantial amount of heat when diluted with water (add acid to water with care if diluting).
Storage Condition	Store in a tightly closed container. Keep under an argon blanket. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area.
Vapor Density	3.3 (vs air)
Vapor Pressure	1 mm Hg ( 20 °C)

Safety Info

RTECS	PB1140000
Hazard Class	8
Safety Statements	S1/2-S26-S36-S45
HS Code	2904100000
Packing Group	III
WGK Germany	1
RIDADR	UN 2585/2586/3265
Risk Statements	R34
Hazard Codes	C
Hazard Declaration	H290; H302 + H312; H314; H335
Symbol	GHS05, GHS07
Signal Word	Danger
Caution Statement	P301 + P312 + P330; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338

Synthesis Route

[2,3,5-trihydroxy-6-(hydroxymethyl)oxan-4-yl] methanesulfonate→formic acid+methanesulfonic acid
2-endo-norbornyl metanesulfonate→methanesulfonic acid+endo-Bicyclo[2.2.1]heptan-2-ol
1-[ethoxy(methylsulfanyl)phosphoryl]oxyethane+propan-2-ol→methanesulfonic acid+diethyl hydrogen phosphate

Precursor

Methane, ion(2+)
iodomethane
2-Benzamidophenyl-methansulfonat
methanethiol

Downstream Product

2-CHLOROETHYL METHANESULFONATE
(5S)-2-[(1S,2S,4R)-Bicyclo[2.2.1]hept-2-ylamino]-5-isopropyl-5-me thyl-1,3-thiazol-4(5H)-one methanesulfonate (1:1)
methanesulfonic acid,4-[(4-methylpiperazin-1-yl)methyl]-N-[4-methyl-3-[(4-pyridin-3-yl-1,3-thiazol-2-yl)amino]phenyl]benzamide
(3-methylphenyl) methanesulfonate

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