Thioglycolic acid
Thioglycolic acid (CAS 68-11-1), also known as mercaptoacetic acid, is an organosulfur compound with the linear formula HSCH₂COOH and a molecular weight of 92.12. This colourless liquid is a potent reducing agent and a strong acid. It is widely employed in chemical synthesis and as a key ingredient in various industrial applications, including cosmetics, polymers, and pharmaceuticals, owing to its unique chemical properties.
- IUPAC
- Mercaptoacetic acid
- Synonyms
- Mercaptoacetic acid
Cosmetic Formulations
Thioglycolic acid is a primary active ingredient in depilatory creams and is used in permanent wave formulations for hair. Its reducing capabilities allow it to break disulfide bonds in keratin.
Chemical Synthesis
As a versatile reagent, it serves as a source of the thiol group in organic synthesis. It is used to prepare various sulfur-containing compounds and as a chain transfer agent in polymerisation.
Corrosion Inhibition
It can be employed as a corrosion inhibitor in various industrial processes, protecting metal surfaces from degradation.
Pharmaceutical Intermediates
Thioglycolic acid is used in the synthesis of certain pharmaceutical compounds, contributing to the development of active pharmaceutical ingredients.
| Molecular weight | 92.12 |
|---|---|
| Linear formula | HSCH2COOH |
| Assay | 97% |
| Boiling point | 96 °C/5 mmHg(lit.) |
| Density | 1.326 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.505(lit.) |
| Vapour pressure | 0.4 mmHg (25 °C) |
| Melting point | −16 °C(lit.) |
| Vapour density | 3.2 (vs air) |
| Autoignition temp | 662 °F |
| Storage temperature | −20°C |
Hazard statements
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
- H330Fatal if inhaled
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Flash point | 130 °C / 266 °F |
|---|---|
| Transport (UN / ADR) | UN 1940 8 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-34 |
| Safety statements (S) | 25-27-28-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Thioglycolic acid (CAS 68-11-1) used for?
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Thioglycolic acid is used in cosmetic formulations (depilatories, perms), chemical synthesis, corrosion inhibition, and as a pharmaceutical intermediate.
What are the CAS number and formula for Thioglycolic acid?
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The CAS number is 68-11-1, and the linear formula is HSCH₂COOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Thioglycolic acid with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should Thioglycolic acid be handled?
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Thioglycolic acid is corrosive and toxic. Handle with extreme care in a well-ventilated area, wearing appropriate personal protective equipment, including gloves, eye protection, and respiratory protection (P260-P280-P284-P301 + P310-P305 + P351 + P338-P310).
How is Thioglycolic acid packed and shipped?
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Thioglycolic acid is shipped as a dangerous good (UN 1940, 8 / PGII). TSS exports globally, adhering to all relevant shipping regulations.
How can I request a sample or quote for Thioglycolic acid?
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Please contact our sales team via the website or phone to request a sample or a formal quotation for Thioglycolic acid.
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