2-Mercaptopropionic acid

Modify Date: 2024-01-06 09:40:41

2-Mercaptopropionic acid Structure
2-Mercaptopropionic acid structure
 Common Name 2-Mercaptopropionic acid
CAS Number 79-42-5 Molecular Weight 106.14400
Density 1.196 g/mL at 25 °C(lit.) Boiling Point 102 °C16 mm Hg(lit.)
Molecular Formula C3H6O2S Melting Point 10-14 °C(lit.)
MSDS Chinese USA Flash Point 190 °F
Symbol GHS05
GHS05		 Signal Word Danger

 Names

Name 2-mercaptopropanoic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.196 g/mL at 25 °C(lit.)
Boiling Point 102 °C16 mm Hg(lit.)
Melting Point 10-14 °C(lit.)
Molecular Formula C3H6O2S
Molecular Weight 106.14400
Flash Point 190 °F
Exact Mass 106.00900
PSA 76.10000
LogP 0.38930
Index of Refraction n20/D 1.481(lit.)
Water Solubility MISCIBLE

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UF5250000
CHEMICAL NAME :
Propionic acid, 2-mercapto-
CAS REGISTRY NUMBER :
79-42-5
BEILSTEIN REFERENCE NO. :
0506218
LAST UPDATED :
199710
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C3-H6-O2-S
MOLECULAR WEIGHT :
106.15
WISWESSER LINE NOTATION :
SHY1&VQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
700 ppm
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 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1637 No. of Facilities: 2476 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 22270 (estimated) No. of Female Employees: 16742 (estimated)

 Safety Information

Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H314
Precautionary Statements P260-P280-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 R22;R34
Safety Phrases S26-S36/37/39-S45-S25
RIDADR UN 2936 6.1/PG 2
WGK Germany 1
RTECS UF5250000
Packaging Group II
Hazard Class 6.1
HS Code 29309070

 Synthetic Route

 Customs

HS Code 2930909090
Summary 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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 Synonyms

EINECS 201-206-5
Thiolacticacid
2-mercapto-propanoicaci
(+/-)-2-mercaptopropionic acid
FEMA 3810
MFCD00004862
Thiomilchsure
2-Mercaptopropionic acid
FEMA 3180
thiolactic
2-thiolacticacid
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