Thioacetic acid
- CAS No.
- 507-09-5
- Chemical Name:
- Thioacetic acid
- Synonyms
- TAA;Ethanethioic S-acid;THIOLACETIC ACID;CH3COSH;thioacetic;ethanethioic O-acid;ETHANETHIOIC ACID;liudaiyisuan;THIOESSIGSAEURE;thionoaceticacid
- CBNumber:
- CB4853697
- Molecular Formula:
- C2H4OS
- Molecular Weight:
- 76.12
- MOL File:
- 507-09-5.mol
- MSDS File:
- SDS
- Modify Date:
- 2023/12/11 18:57:20
| 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) |
| pka | 3.33(at 25℃) |
| form | Liquid |
| 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 |
| 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) |
SAFETY
Risk and Safety Statements
| 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 | |||||||||
| NFPA 704 |
|
Thioacetic acid price More Price(18)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | W421001 | Thioacetic acid 96% | 507-09-5 | 1SAMPLE | ₹4990.33 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | W421001 | Thioacetic acid 96% | 507-09-5 | 100G | ₹10446.13 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | W421001 | Thioacetic acid 96% | 507-09-5 | 1KG | ₹17081.85 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | T30805 | Thioacetic acid 96% | 507-09-5 | 5G | ₹1948.5 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | T30805 | Thioacetic acid 96% | 507-09-5 | 100G | ₹2554.7 | 2022-06-14 | Buy |
Thioacetic acid Chemical Properties,Uses,Production
Chemical Properties
colourless fuming liquid with an unpleasant odour
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).
Definition
ChEBI: A thioacetic acid that is acetic acid in which the oxygen atom of the hydroxy group has been replaced by a sulfur atom.
General Description
A clear,yellow liquid with a strong, unpleasant odor. May be toxic by ingestion, inhalation and skin absorption. Irritating to skin and eyes. Flash point near 50°F. Used to make other chemicals.
Air & Water Reactions
Highly flammable. Water soluble.
Reactivity Profile
Thioacetic acid is a thio organic acid. Organosulfides are incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides, and other strong reducing agents. Reactions with these materials generate heat and in many cases hydrogen gas. Many of these compounds may liberate hydrogen sulfide upon decomposition or reaction with an acid.
Hazard
Toxic by ingestion and inhalation; strong irritant to eyes and skin.
Health Hazard
May cause toxic effects if inhaled or absorbed through skin. Inhalation or contact with material may irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Fire Hazard
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
Safety Profile
Poison by intraperitoneal route. A very dangerous fire hazard when exposed to heat or flame. When heated to decomposition it emits toxic fumes of SOx. See also SULFIDES and MERCAPTANS.
Thioacetic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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| GLR Innovations | +91 9891111994 | New Delhi, India | 4542 | 58 | Inquiry |
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| Supplier | Advantage |
|---|---|
| GLR Innovations | 58 |
| ULTIMA CHEMICALS | 58 |
| JSK Chemicals | 58 |
| Elementa Pharmachem LLP | 58 |
| Shilpa Chemspec International Pvt., Ltd. | 58 |
| HiMedia Laboratories | 58 |
| Avra Synthesis Pvt Ltd | 30 |
| Clearsynth Labs | 58 |
| ASM Organics | 58 |
| Pharma Affiliates | 58 |
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