Molekula Mercaptoacetic acid (Thioglycolic acid)
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Specification & product details.
Mercaptoacetic acid, also known as thioglycolic acid, is a sulfur-containing organic compound used in hair removal products, pharmaceuticals, and as a reagent…
CAS number: 68-11-1
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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 |
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 | O=C(O)CS |
| 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
Danger
- CorrosiveGHS05
- ToxicGHS06
- Health HazardGHS07
Hazard statements
- H301Toxic if swallowed
- H310Fatal in contact with skin
- H314 (sub cat. 1B)Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H330Fatal if inhaled
- H412Harmful to aquatic life with long lasting effects
Precautionary statements
- P260Do not breathe dust/fume/gas/mist/vapours/spray
- P273Avoid release to the environment
- P280Wear protective gloves/protective clothing/eye protection/face protection
- P303+361IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+312IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
- P406Store in a corrosive resistant container with a resistant inner liner
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Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
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