Thioglycolic Acid
- CAS Number
- 68-11-1
- HSN Code
- 29309099
- Molecular Formula
- HSCH2COOH
- Catalogue Number
- AL4533
- Purity
- ≥ 80%
- Molecular Weight
- 92.12 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Thioglycolic acid is a sulfur-containing carboxylic acid. It is a conjugate acid of a thioglycolate(1-).
Also known as Mercaptoacetic acid.
- Catalogue No.
- AL4533
- CAS Number
- 68-11-1
- Molecular Formula
- HSCH2COOH
- Molecular Weight
- 92.12 g/mol
- HSN Code
- 29309099
- Grade
- Extra Pure
- Product Form
- Substance
Melting point: -16.5 °C; Boiling point: 120 °C at 20 mm Hg; Flash point: 130 °C (Closed cup); Density: 1.3253 g/cu cm at 20 °C; Solubility: Miscible with water.
- Appearance
- Colorless liquid
- Shelf Life
- 2 years
- Packaging
- Available in: 500 ml glass bottle, 1 Lt glass bottle, 2.5 Lt glass bottle
- Storage
- Separated from strong oxidants, strong bases, food and feedstuffs and combustible substances. Keep in a well-ventilated room.
1.1 — Product identifier
- Chemical Name
- Thioglycolic Acid
- Catalogue No.
- AL4533
- Product form
- Substance
- CAS Number
- 68-11-1
- EC Number
- 200-677-4
- Grade
- Extra Pure
- EC Index Number
- 605-001-00-0
- Chemical Formula
- HSCH2COOH
- HSN Code
- 29309099
- Synonyms
- Mercaptoacetic acid
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Reducing agent, chelating agent
- 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
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Acute Tox. 3; Skin Corr. 1B
- Classification source
- ECHA C&L Inventory via PubChem CID 1133 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Corrosive, Acute Toxic
- Signal word
- Danger
- Hazard statements
- H301: Toxic if swallowed; H311: Toxic in contact with skin; H314: Causes severe skin burns and eye damage; H331: Toxic if inhaled
2.3 — Other hazards
- Other hazards
- Corrosive, highly malodorous
3.1 — Substance
- Name
- Thioglycolic Acid
- CAS No.
- 68-11-1
4.1 — Description of first aid measures
- First-aid measures after inhalation
- If this chemical has been inhaled, remove the exposed person to fresh air at once. If breathing has stopped, perform artificial respiration. Keep the person warm and at rest.
- First-aid measures after skin contact
- If this chemical contacts the skin, immediately flush the contaminated skin with water. If this chemical penetrates the clothing, immediately remove the clothing and flush the skin with water. Get medical attention promptly.
- First-aid measures after eye contact
- If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.
- First-aid measures after ingestion
- If this chemical has been swallowed, get medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Irritation of skin, eyes, and respiratory tract; possible burns on contact.
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
- May produce toxic fumes in a fire. Use water spray to cool containers.
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. Wear appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Evacuate danger area! Consult an expert! Personal protection: chemical protection suit including self-contained breathing apparatus. Ventilation. Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle in a fume hood. Use gloves and protective eyewear.
- 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
- Separated from strong oxidants, strong bases, food and feedstuffs and combustible substances. Keep in a well-ventilated room.
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, unpleasant odor
- Odour threshold
- Not specified
- pH value
- Not specified
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- -16.5 °C
- Freezing point
- Not specified
- Boiling point
- 120 °C at 20 mm Hg
- Flash point
- 130 °C (Closed cup)
- Auto-ignition temperature
- 350 °C
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not applicable
- Vapour pressure
- Vapor pressure: 0.02 kPa at 30 °C
- Relative vapour density at 20°C
- 3.18 (Air = 1)
- Density
- 1.3253 g/cu cm at 20 °C
- Solubility
- Miscible with water
- Log Pow
- 0.09
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not applicable
- Oxidising properties
- Not applicable
- Explosive limits
- Not applicable
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
- Decomposes on burning. This produces toxic fumes of sulfur oxides and hydrogen sulfide. The substance is a medium strong acid.
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 acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomp it emits toxic fumes of sulfur oxides.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 114 mg/kg; LD50 Mouse oral 242 mg/kg; LD50 Rat ip 70 mg/kg
- Skin corrosion/irritation
- H314: Causes severe skin burns and eye damage
- Serious eye damage/irritation
- Not classified (based on available data)
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
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)
- 1940
- UN-No. (IMDG)
- 1940
- UN-No. (IATA)
- 1940
- UN-No. (ADN)
- 1940
- UN-No. (RID)
- 1940
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Thioglycolic Acid
- Proper Shipping Name (IMDG)
- Thioglycolic Acid
- Proper Shipping Name (IATA)
- Thioglycolic Acid
- Proper Shipping Name (ADN)
- Thioglycolic Acid
- Proper Shipping Name (RID)
- Thioglycolic Acid
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 8
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
Thioglycolic acid is primarily used as a keratin-reducing agent in hair-perming and depilatory cosmetic formulations, allowing for the alteration of hair structure. In addition to its cosmetic applications, it serves as a chelating reagent in analytical chemistry, where it helps in the detection and quantification of metal ions. The compound is also employed in the production of various pharmaceuticals and agrochemicals, showcasing its importance in multiple industries. Furthermore, thioglycolic acid is utilized in the formulation of hair treatments and conditioners, enhancing the manageability and appearance of hair.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01502
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 92.12 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 80% | 81.5% |
| Density | 1.325 g/mL | 1.320 g/mL |
| pH | Not specified | Not applicable |
| Appearance | Colorless to pale yellow liquid | Colorless liquid |
| Odour | Strong, offensive | Strong, offensive |
The above product is expected to comply with Extra Pure grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 80% Extra Pure | ≥ 80% | m.p. -16.5 °C; b.p. 120 °C at 20 mm Hg | ≤ 1% | ≤ 0.5% | None detected | Miscible with water |
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