2,2'-Thiodiacetic acid
- Product Name2,2'-Thiodiacetic acid
- CAS123-93-3
- MFC4H6O4S
- MW150.15
- EINECS204-663-9
- MOL File123-93-3.mol
Chemical Properties
| Melting point | 128-131 °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 | 400g/l |
| form | Crystalline Powder |
| pka | pK1:3.32;pK2:4.29 (25°C) |
| color | White to grayish |
| PH | 2.2 (10g/l, H2O, 20℃) |
| Water Solubility | soluble |
| Sensitive | Stench |
| Merck | 14,9331 |
| BRN | 1764392 |
| Henry's Law Constant | 2.2×108 mol/(m3Pa) at 25℃, HSDB (2015) |
| Cosmetics Ingredients Functions | REDUCING ANTIOXIDANT |
| InChI | 1S/C4H6O4S/c5-3(6)1-9-2-4(7)8/h1-2H2,(H,5,6)(H,7,8) |
| InChIKey | UVZICZIVKIMRNE-UHFFFAOYSA-N |
Safety Information
| Hazard Codes | C |
| Risk Statements | 36/37/38-34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3261 8/PG 2 |
| WGK Germany | 3 |
| RTECS | AJ6475000 |
| F | 13 |
| Autoignition Temperature | 350 °C |
| Hazard Note | Corrosive/Stench |
| TSCA | TSCA listed |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 29309070 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
| Hazardous Substances Data | 123-93-3(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: > 2000 mg/kg |
