2-Mercaptopropionic acid
Names
[ CAS No. ]:
79-42-5
[ Name ]:
2-Mercaptopropionic acid
[Synonym ]:
EINECS 201-206-5
Thiolacticacid
2-mercapto-propanoicaci
(+/-)-2-mercaptopropionic acid
FEMA 3810
MFCD00004862
Thiomilchsure
2-Mercaptopropionic acid
FEMA 3180
thiolactic
2-thiolacticacid
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
MSDS
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
[ 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
Precursor & DownStream
Precursor
DownStream
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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The nuclease activity of VO(acac)2 (1, acac = acetylacetone) and its derivatives VO(hd)2 (2, hd = 3,5-heptanedione), VO(Cl-acac)2 (3, Cl-acac = 3-chloro-2,4-pentanedione), VO(Et-acac)2 (4, Et-acac = 3...