Molekula
Trichloroacetyl chloride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Trichloroacetyl chloride is a reactive acyl chloride used in organic synthesis, particularly for introducing trichloromethyl groups and in the preparation of pharmaceuticals and agrochemicals. It is a colorless to pale yellow liquid with a pungent odor. CAS: 76-02-8, molecular formula: Cl₃CCOCl, molecular weight: 181.83 g/mol. Store at ambient temperature. Hazardous: signal word Danger.
Molekula supplies Trichloroacetyl chloride at ≥98.5% purity in 25 g packs, from £67.08 inc. VAT. It is made or sourced to order. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
On backorder — expected to ship by 5 December 2026
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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £55.90 per pack ex VAT · £67.08 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless transparent liquid |
| Water | ≤0.5% |
| Impurity | ≤1.0% |
| Assay | ≥98.5% |
| Dichloro | ≤0.4% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 100 °C |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Liquid |
| Melting Point | -31.8 °C |
| Boiling Point | 117.9 °C |
| Vapour Pressure | 21.3 mmHg |
| Refractive Index | 1.4695 |
Source: PubChem CID 6420 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 12175153 |
| CAS Number | 76-02-8 |
| IUPAC Name | 2,2,2-trichloroacetyl chloride |
| EC Number | 200-926-7 |
| Molecular Formula | Cl3CCOCl |
| Molecular Weight | 181.83 |
| Exact Mass | 181.8674 |
| SMILES | C(=O)(C(Cl)(Cl)Cl)Cl |
| InChIKey | PVFOMCVHYWHZJE-UHFFFAOYSA-N |
| InChI | InChI=1S/C2Cl4O/c3-1(7)2(4,5)6 |
| PubChem CID | 6420 |
| UN Number | UN2442 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2915905010 |
| Tariff Code | 2915909098 |
Safety & GHS
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Corrosive
GHS05
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Toxic
GHS06
Hazard statements
- EUH014 Reacts violently with water
- EUH029 Contact with water liberates toxic gas
- H302 Harmful if swallowed
- H314 (sub cat. 1A) Causes severe skin burns and eye damage
- H330 Fatal if inhaled
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 2,2,2-trichloroacetyl chloride
- Acetyl chloride, 2,2,2-trichloro-
- Acetyl chloride, trichloro-
- C2Cl4O
- CCl3COCl
- Superpalite
- trichioroacetyl chloride
- Trichloracetyl chloride
- Trichloroacetic acid chloride
- Trichloroacetochloride
Frequently asked questions
What is trichloroacetyl chloride used for?
It is primarily used as a reagent in organic synthesis, particularly for acylation reactions and the preparation of trichloroacetyl derivatives.
What is the chemical formula and molecular weight of trichloroacetyl chloride?
The formula is Cl3CCOCl with a molecular weight of 181.83 g/mol.
How should trichloroacetyl chloride be stored?
It should be stored at ambient temperature in a tightly sealed container, away from moisture and incompatible materials.
What grade is available for trichloroacetyl chloride?
It is supplied to the following specification: colourless transparent liquid, assay of at least 98.5%, water no more than 0.5%, impurity no more than 1.0% and dichloro no more than 0.4%.
Can Molekula supply trichloroacetyl chloride in bulk?
Yes, Molekula can supply trichloroacetyl chloride in bulk quantities—please contact our sales team for details.
What documentation comes with an order of trichloroacetyl chloride?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Where can I buy Trichloroacetyl chloride?
Directly from Molekula, which lists Trichloroacetyl chloride in 25 g packs from £67.08 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Is Trichloroacetyl chloride dangerous goods for shipping?
Yes. Trichloroacetyl chloride ships as dangerous goods: UN2442, class 8, packing group II.
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.