Thioacetic Acid
- CAS Number
- 507-09-5
- HSN Code
- 29309099
- Molecular Formula
- C2H4OS
- Catalogue Number
- AL2568B
- Purity
- ≥ 98%
- Molecular Weight
- 76.12 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Thioacetic acid (for synthesis) is a reactive sulfur-containing acid that serves as a vital synthetic intermediate and thioester-forming reagent in organic chemistry. With a molecular formula of C2H4OS and a molecular weight of 76.12 g/mol, it is notable for its ability to introduce thiol groups into various organic compounds. This compound is particularly useful in the synthesis of thioesters, which are important in the production of pharmaceuticals, agrochemicals, and other specialty chemicals. Its high purity grade of 98% ensures its effectiveness in laboratory and industrial applications.
Also known as Thioacetic acid, Acetic thiol, Thioacetate.
- Catalogue No.
- AL2568B
- CAS Number
- 507-09-5
- Molecular Formula
- C2H4OS
- Molecular Weight
- 76.12 g/mol
- HSN Code
- 29309099
- Grade
- 98%
- Product Form
- Substance
Thioacetic acid is a colorless to pale yellow liquid characterized by a strong, offensive odor that can be quite pungent. It has a boiling point of approximately 118 °C and a melting point of -20 °C, making it a liquid at room temperature. The density of thioacetic acid is about 1.1 g/cm³, and it is soluble in water, alcohol, and ether, which facilitates its use in various chemical reactions. Its strong odor and flammability necessitate careful handling and storage in appropriate conditions.
- Appearance
- Colorless to pale yellow liquid
- Shelf Life
- 2 years
- Packaging
- Available in 500 mL glass bottles
- Storage
- Store in a cool, dry place away from heat sources and incompatible materials.
1.1 — Product identifier
- Chemical Name
- Thioacetic Acid
- Catalogue No.
- AL2568B
- Product form
- Substance
- CAS Number
- 507-09-5
- EC Number
- 208-202-0
- Grade
- 98%
- EC Index Number
- 607-007-00-0
- Chemical Formula
- C2H4OS
- HSN Code
- 29309099
- Synonyms
- Thioacetic acid, Acetic thiol, Thioacetate
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as a synthetic intermediate and thioester-forming reagent in organic synthesis.
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.3 — Other hazards
- Other hazards
- Highly malodorous and flammable; may cause respiratory irritation.
3.1 — Substance
- Name
- Thioacetic Acid
- CAS No.
- 507-09-5
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If breathing is difficult, give oxygen. Seek medical attention if symptoms persist.
- First-aid measures after skin contact
- Wash with soap and water. Remove contaminated clothing. Seek medical attention if irritation develops.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention if irritation persists.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Irritation of the skin, eyes, and respiratory tract; headache; nausea; vomiting.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Flammable liquid; may produce toxic fumes in a fire.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Evacuate area and ventilate. Contain spill and absorb with inert material.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Collect and dispose of in accordance with local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Use in a fume hood with appropriate personal protective equipment (PPE). Avoid contact with skin and eyes.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Store in tightly closed containers in a cool, dry, well-ventilated area away from heat sources.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use appropriate respiratory protection if ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless to pale yellow
- Odour
- Strong offensive odor
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- -20 °C
- Freezing point
- Not specified
- Boiling point
- 118 °C
- Flash point
- 25 °C
- Auto-ignition temperature
- Not specified
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Flammable liquid
- Vapour pressure
- Not specified
- Relative vapour density at 20°C
- Not specified
- Density
- 1.1 g/cm³
- Solubility
- Soluble in water, alcohol, and ether
- Log Pow
- Not specified
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Reacts with strong oxidizing agents and bases.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- No dangerous reactions known under normal conditions of use.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizers, bases, and strong acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Harmful if inhaled or absorbed through skin; may cause respiratory irritation.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- May cause allergic skin reactions in sensitive individuals.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- May cause respiratory irritation.
- Specific target organ toxicity (repeated exposure)
- Not classified
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- UN 2436
- UN-No. (IMDG)
- UN 2436
- UN-No. (IATA)
- UN 2436
- UN-No. (ADN)
- UN 2436
- UN-No. (RID)
- UN 2436
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Thioacetic Acid
- Proper Shipping Name (IMDG)
- Thioacetic Acid
- Proper Shipping Name (IATA)
- Thioacetic Acid
- Proper Shipping Name (ADN)
- Thioacetic Acid
- Proper Shipping Name (RID)
- Thioacetic Acid
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 3
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Thioacetic acid is primarily used as a thioacetylating reagent in organic synthesis, allowing for the introduction of protected thiol groups into molecules. This property makes it invaluable in the synthesis of thioesters, which are crucial in the development of pharmaceuticals, agrochemicals, and other specialty chemicals. Additionally, it is utilized in the preparation of various sulfur-containing compounds, which are important in the fields of biochemistry and medicinal chemistry. Its reactivity also allows it to be employed in the modification of proteins and peptides, enhancing their properties for research and therapeutic applications.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL2568B
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 76.12 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | Colorless to yellowish clear liquid | Colorless to yellowish clear liquid |
| Assay (GC area %) | Min. 98.0% | 98.24% |
| Density (d20 o/ 4 o) | 1.067 - 1.070 | 1.067 |
| Identity (IR) | Conforms | Conforms |
The above product complies with LR grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% | ≥ 98% | -20 °C / 118 °C | ≤ 0.5% | ≤ 0.1% | None detected | Soluble in water, alcohol, and ether |
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