A7688912
2,2'-Thiodiacetic acid , 98% , 123-93-3
Synonym(s):
Thiodiglycolic acid;Dicarboxydimethyl sulfide;Thiodiglycollic acid, Bis(carboxymethyl)sulfide;2,2′-Dithiodiacetic acid;2,2′-Thio-bis(acetic acid)
CAS NO.：123-93-3
Empirical Formula: C4H6O4S
Molecular Weight: 150.15
MDL number: MFCD00004359
EINECS: 204-663-9
| Pack Size | Price | Stock | Quantity |
| 25G | RMB36.00 | In Stock |
|
| 100G | RMB95.20 | In Stock |
|
| 500G | RMB368.00 | In Stock |
|
| 2.5kg | RMB1359.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT 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 |
| LogP | -0.780 (est) |
| CAS DataBase Reference | 123-93-3(CAS DataBase Reference) |
| EPA Substance Registry System | Acetic acid, 2,2'-thiobis- (123-93-3) |
Description and Uses
It finds it applications in the production of [1,4]oxathiane-2,6-dione by heating. It is employed as an anti-oxidant and reducing agent in cosmetics industry.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P302+P352-P305+P351+P338 |
| 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 | Yes |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 29309070 |
| Hazardous Substances Data | 123-93-3(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: > 2000 mg/kg |
