A7736612
Thioacetic acid , 95% , 507-09-5
Synonym(s):
TAA;Thiacetic acid;Thioacetic acid;TMA
CAS NO.：507-09-5
Empirical Formula: C2H4OS
Molecular Weight: 76.12
MDL number: MFCD00004853
EINECS: 208-063-8
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -17 °C |
| Boiling point: | 97 °C |
| Density | 1.065 g/mL at 25 °C(lit.) |
| vapor pressure | 1 hPa (20 °C) |
| FEMA | 4210 | THIOACETIC ACID |
| refractive index | n |
| Flash point: | 52 °F |
| storage temp. | Store below +30°C. |
| solubility | 27g/l (slow decomposition) |
| form | Liquid |
| pka | 3.33(at 25℃) |
| color | Clear colorless to pale yellow |
| PH | 1.8 (100g/l, H2O, 20℃)Hydrolysis |
| Odor | at 0.01 % in propylene glycol. cooked roasted meaty burnt |
| Odor Type | meaty |
| biological source | synthetic |
| Water Solubility | 27 g/L (15 ºC) (hydrolyse) |
| Merck | 14,9320 |
| JECFA Number | 1676 |
| BRN | 773684 |
| Dielectric constant | 13.0（20℃） |
| Stability: | Stable. Flammable. Incompatible with metals, strong oxidizing agents. |
| LogP | 0.14 |
| CAS DataBase Reference | 507-09-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Ethanethioic acid(507-09-5) |
| EPA Substance Registry System | Ethanethioic acid (507-09-5) |
Description and Uses
Thioacetic acid is a reagent for introduction of the thiol group into organic molecules. It is used as flavor & Fragrance Intermediates. It is used to manufacture captopril(antihypertension) and spironolac-tone (diuretic).
Safety
| Symbol(GHS) |    GHS02,GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H225-H301-H317-H318-H332 |
| Precautionary statements | P210-P280-P301+P310-P303+P361+P353-P304+P340+P312-P305+P351+P338 |
| Hazard Codes | F,C,Xn |
| Risk Statements | 11-34-22-43-41 |
| Safety Statements | 9-16-26-36/37/39-45-28-23 |
| RIDADR | UN 2436 3/PG 2 |
| WGK Germany | 3 |
| RTECS | AJ5600000 |
| F | 13-19 |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29309070 |
| Toxicity | LD50 orally in Rabbit: 200 - 350 mg/kg |
| Limited Quantities | 1.0 L (0.3 gallon) (liquid) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) |
