Molekula
Mercaptoacetic acid (Thioglycolic acid)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Mercaptoacetic acid, also known as thioglycolic acid, is a sulfur-containing organic compound used in hair removal products, pharmaceuticals, and as a reagent in chemical synthesis. It is a colorless to pale yellow liquid with a pungent odor. CAS: 68-11-1, Molecular formula: HSCH2COOH, Molecular weight: 92.12 g/mol. Store at 2 to 8 °C. Hazardous: Signal word Danger. Molekula supplies Mercaptoacetic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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1 kg — $115.30 per pack
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Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear colourless liquid |
| Identification | Conforms to reference |
| Content | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless liquid |
| Odour | Strong, unpleasant odor |
| Melting Point | -16.5 °C |
| Boiling Point | 120 °C at 20 mmHg |
| Density | 1.3 (relative, water = 1) |
| Water Solubility | Miscible with water |
| Solubility (other solvents) | Miscible with ethanol, and ethyl ether; slightly soluble in chloroform |
| Vapour Pressure | 1.3 kPa at 18 °C |
| Refractive Index | 1.5080 |
| pKa | pKa = 3.55 |
| log P (octanol/water) | 0.09 |
Source: PubChem CID 1133 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 14299627 |
| CAS Number | 68-11-1 |
| IUPAC Name | 2-sulfanylacetic acid |
| EC Number | 200-677-4 |
| Molecular Formula | HSCH2COOH |
| Molecular Weight | 92.12 |
| Exact Mass | 91.9932 |
| SMILES | C(C(=O)O)S |
| InChIKey | CWERGRDVMFNCDR-UHFFFAOYSA-N |
| InChI | InChI=1S/C2H4O2S/c3-2(4)1-5/h5H,1H2,(H,3,4) |
| PubChem CID | 1133 |
| UN Number | UN1940 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2930.90.9251 |
| Tariff Code | 2930909599 |
Safety & GHS
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Corrosive
GHS05
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Toxic
GHS06
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Health Hazard
GHS07
Hazard statements
- H301 Toxic if swallowed
- H310 Fatal in contact with skin
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
- H330 Fatal if inhaled
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
- P406 Store in a corrosive resistant container with a resistant inner liner
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is mercaptoacetic acid used for?
Mercaptoacetic acid is commonly used in hair care products for depilation and as a reducing agent in chemical synthesis.
What is the chemical formula and molecular weight of mercaptoacetic acid?
The formula is HSCH2COOH with a molecular weight of 92.12 g/mol.
How should mercaptoacetic acid be stored?
It should be stored at 2 to 8 °C to maintain stability and prevent degradation.
What grade of mercaptoacetic acid does Molekula supply?
Molekula supplies mercaptoacetic acid in technical grade; custom grades are available upon request.
Can Molekula supply mercaptoacetic acid in bulk?
Yes, Molekula can supply mercaptoacetic acid in bulk quantities; please contact us for pricing and availability.
What documentation comes with a purchase of mercaptoacetic acid?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) compliant with GHS standards.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.