?????? ?
|
|
?????? ? ??
- ???
- 128-131 °C(lit.)
- ?? ?
- 241.69°C (rough estimate)
- ??
- 1.352 (estimate)
- ???
- 1.5500 (estimate)
- ?? ??
- Store below +30°C.
- ???
- 400g/L
- ??? ??
- ??? ??
- ?? ?? (pKa)
- pK1:3.32;pK2:4.29 (25°C)
- ??
- ???? ??? ??
- ??????(pH)
- 2.2 (10g/l, H2O, 20℃)
- ???
- ??
- ??
- Stench
- Merck
- 14,9331
- BRN
- 1764392
- Henry's Law Constant
- 2.2×108 mol/(m3Pa) at 25℃, HSDB (2015)
- ??? ?? ??
- ??? ?? ????? ????
????
- InChI
- 1S/C4H6O4S/c5-3(6)1-9-2-4(7)8/h1-2H2,(H,5,6)(H,7,8)
- InChIKey
- UVZICZIVKIMRNE-UHFFFAOYSA-N
- SMILES
- OC(=O)CSCC(O)=O
- LogP
- -0.780 (est)
- CAS ??????
- 123-93-3(CAS DataBase Reference)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ??? ?? | C | ||
|---|---|---|---|
| ?? ???? ?? | 36/37/38-34 | ||
| ????? | 26-36/37/39-45 | ||
| ????(UN No.) | UN 3261 8/PG 2 | ||
| WGK ?? | 3 | ||
| RTECS ?? | AJ6475000 | ||
| F ?????? | 13 | ||
| ?? ?? ?? | 350 °C | ||
| ?? ?? ?? | Corrosive/Stench | ||
| TSCA | TSCA listed | ||
| ?? ?? | 8 | ||
| ???? | III | ||
| HS ?? | 29309070 | ||
| ???? ??? | 11 - Combustible Solids | ||
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
||
| ?? ?? ??? | 123-93-3(Hazardous Substances Data) | ||
| ?? | LD50 orally in Rabbit: > 2000 mg/kg | ||
| ???? ?? | KE-33752 |
?????? ? C??? ??, ??, ??
??? ??
GREYISH CRYSTALLINE POWDER??
Detection of copper, lead, mercury, silver: Dubsky et al., C.A. 34, 6185 (1940).Safety Profile
Poison by intraperitoneal route. When heated to decomposition or on contact with acid or acid fumes it emits toxic fumes of SOx. See also MERCAPTOACETIC ACID.Purification Methods
Crystallise the acid from water. [Beilstein 3 IV 612.]?????? ? ?? ?? ? ???
???
?? ??
?????? ? ?? ??
???( 390)?? ??
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