
70-49-5
| Name | Mercaptosuccinic acid |
| CAS | 70-49-5 |
| EINECS(EC#) | 200-736-4 |
| Molecular Formula | C4H6O4S |
| MDL Number | MFCD00004860 |
| Molecular Weight | 150.15 |
| MOL File | 70-49-5.mol |
Chemical Properties
| Appearance | white to almost white crystalline powder |
| 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 |
| form | Crystalline Powder |
| pka | pKa 4.68±0.04(H2O t = 20.0±0.05 I = 0.15) (Uncertain) |
| 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 | 70-49-5(EPA Substance) |
Safety Data
| Hazard Codes | Xn,C |
| Risk Statements | |
| Safety Statements | |
| RIDADR | 1759 |
| WGK Germany | 3 |
| RTECS | WM8225000 |
| TSCA | Yes |
| 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 |