Molekula
Trichloroacetic 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
Trichloroacetic acid is a strong organic acid used in chemical synthesis, protein precipitation, and as a reagent in laboratory and industrial processes. It appears as a white crystalline solid and is highly corrosive. CAS: 76-03-9, Molecular formula: C2HCl3O2, Molecular weight: 163.39 g/mol, Storage: 2 to 8 °C, Signal word: Danger. Molekula supplies Trichloroacetic 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.
Often bought together
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 — £89.70 per pack ex VAT · £107.64 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White crystal |
| Heavy metals | 0.0005% max |
| Assay | 99% min |
| Residue on Ignition | 0.1% max |
| Iron (Fe) | 0.0005% max |
| Sulphates (SO4)(2-) | 0.1% max |
| Phosphate (PO4)3- | 0.001% max |
| Nitrate (NO3-) | 0.001% max |
| Crystallisation point | 56 - 58 Deg C |
| Chlorine (Cl) | 0.005% max |
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 to white, crystalline solid. |
| Odour | Slight characteristic odor |
| Melting Point | 57.5 °C |
| Boiling Point | 195.5 °C |
| Water Solubility | 54 g/L at 25 °C |
| Solubility (other solvents) | The acid has a solubility in water at 25 °C of 1,000 g/100 ml; it is soluble in ethanol and diethyl ether |
| Vapour Pressure | 133 Pa at 51 °C |
| Refractive Index | 1.4507 |
| pKa | pKa = 0.51 |
| log P (octanol/water) | 1.33 |
Source: PubChem CID 6421 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 27071914 |
| CAS Number | 76-03-9 |
| IUPAC Name | 2,2,2-trichloroacetic acid |
| EC Number | 200-927-2 |
| Molecular Formula | C2HCl3O2 |
| Molecular Weight | 163.39 |
| Exact Mass | 161.9042 |
| SMILES | C(=O)(C(Cl)(Cl)Cl)O |
| InChIKey | YNJBWRMUSHSURL-UHFFFAOYSA-N |
| InChI | InChI=1S/C2HCl3O2/c3-2(4,5)1(6)7/h(H,6,7) |
| PubChem CID | 6421 |
| UN Number | UN1839 |
| REACH Code | Y110 |
| Tariff Code | 29154000 |
Safety & GHS
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Corrosive
GHS05
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Hazardous to the Environment
GHS09
Hazard statements
- H314 Causes severe skin burns and eye damage
- H410 Very toxic 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
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- 2,2,2-trichloroacetic acid
- Acetic acid, trichloro-
- Aceto-caustin
- Acido tricloroacetico
- Amchem grass killer
- Konesta
- Trichloracetic acid
- Trichloressigsaeure
- Trichloroacetate
- Trichloroethanoic acid
Frequently asked questions
What is trichloroacetic acid commonly used for?
Trichloroacetic acid is primarily used in protein precipitation, histological staining, and as a reagent in organic synthesis and analytical chemistry.
What is the chemical formula and molecular weight of trichloroacetic acid?
The chemical formula is **C2HCl3O2** with a molecular weight of **163.39 g/mol**.
What safety classification does trichloroacetic acid have?
Trichloroacetic acid is classified with the **signal word 'Danger'** due to its corrosive and hazardous properties.
How should trichloroacetic acid be stored?
It should be stored at **2 to 8°C** in a cool, dry place, away from incompatible substances.
Does Molekula supply trichloroacetic acid in bulk quantities?
Yes, Molekula can supply trichloroacetic acid in bulk, with quantities tailored to your research or industrial needs.
What documentation is provided with an order of trichloroacetic acid?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
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