Mercaptosuccinic acid
- Product NameMercaptosuccinic acid
- CAS70-49-5
- MFC4H6O4S
- MW150.15
- EINECS200-736-4
- MOL File70-49-5.mol
Chemical Properties
| Melting point | 155-157 °C(lit.) |
| Boiling point | 241.69°C (rough estimate) |
| Density | 1.352 (estimate) |
| refractive index | 1.5500 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | 500g/l |
| pka | pKa 4.68±0.04(H2O t = 20.0±0.05 I = 0.15) (Uncertain) |
| form | Crystalline Powder |
| color | White to almost white |
| Water Solubility | 150 g/L (20 ºC) |
| Merck | 14,9343 |
| BRN | 1099858 |
| InChI | 1S/C4H6O4S/c5-3(6)1-2(9)4(7)8/h2,9H,1H2,(H,5,6)(H,7,8) |
| InChIKey | NJRXVEJTAYWCQJ-UHFFFAOYSA-N |
| SMILES | OC(=O)CC(S)C(O)=O |
| CAS DataBase Reference | 70-49-5(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Sulfanylsuccinic acid(70-49-5) |
| EPA Substance Registry System | Butanedioic acid, mercapto- (70-49-5) |
Safety Information
| Hazard Codes | Xn,C |
| Risk Statements | 22-36/37/38-34-20/21/22 |
| Safety Statements | 26-36-36/37/39-45-27 |
| RIDADR | 1759 |
| WGK Germany | 3 |
| RTECS | WM8225000 |
| TSCA | TSCA listed |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 29309070 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Acute Tox. 4 Oral Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
