Methanesulfonic acid

Modify Date: 2024-01-01 20:35:06

Methanesulfonic acid Structure
Methanesulfonic acid structure
 Common Name Methanesulfonic acid
CAS Number 75-75-2 Molecular Weight 96.106
Density 1.5±0.1 g/cm3 Boiling Point 167 °C10 mm Hg(lit.)
Molecular Formula CH4O3S Melting Point 19 °C
MSDS Chinese USA Flash Point >230 °F
Symbol GHS05 GHS07
GHS05, GHS07		 Signal Word Danger

 Names

Name methanesulfonic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 167 °C10 mm Hg(lit.)
Melting Point 19 °C
Molecular Formula CH4O3S
Molecular Weight 96.106
Flash Point >230 °F
Exact Mass 95.988113
PSA 62.75000
LogP -1.89
Vapour density 3.3 (vs air)
Vapour Pressure 1 mm Hg ( 20 °C)
Index of Refraction 1.448
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).

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
PB1140000
CHEMICAL NAME :
Methanesulfonic acid
CAS REGISTRY NUMBER :
75-75-2
BEILSTEIN REFERENCE NO. :
1446024
LAST UPDATED :
199710
DATA ITEMS CITED :
11
MOLECULAR FORMULA :
C-H4-O3-S
MOLECULAR WEIGHT :
96.11
WISWESSER LINE NOTATION :
WSQ1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971
TYPE OF TEST :
LC - Lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>330 ppm/6H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - quail
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JRPFA4 Journal of Reproduction and Fertility. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1960- Volume(issue)/page/year: 48,371,1976 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83577 No. of Facilities: 82 (estimated) No. of Industries: 3 No. of Occupations: 9 No. of Employees: 1209 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83577 No. of Facilities: 325 (estimated) No. of Industries: 7 No. of Occupations: 13 No. of Employees: 8084 (estimated) No. of Female Employees: 1393 (estimated)

 Safety Information

Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger
Hazard Statements H290-H302 + H312-H314-H335
Precautionary Statements P301 + P312 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes C:Corrosive
Risk Phrases R34
Safety Phrases S26-S36-S45-S1/2-S36/37/39
RIDADR UN 3265 8/PG 2
WGK Germany 1
RTECS PB1140000
Packaging Group III
Hazard Class 8
HS Code 2904100000

 Synthetic Route

 Customs

HS Code 2904100000
Summary 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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 Synonyms

EINECS 200-898-6
Mesic acid
MFCD00007518
methane sulfonic acid
Methanesulfonic acid
Methanesulphonic acid
CH3SO3H
Methylsulfonic acid
Methane sulfonicacid
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Chemsrc provides Methanesulfonic acid(CAS#:75-75-2) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Methanesulfonic acid are included as well.>> amp version: Methanesulfonic acid

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