Molekula
Acetyl chloride
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
Acetyl chloride is a reactive acylating agent used in organic synthesis, particularly for the preparation of esters and amides. It is a colorless liquid with a pungent odor and is highly corrosive. CAS: 75-36-5, Molecular formula: CH3COCl, Molecular weight: 78.50 g/mol, Storage: Ambient, Signal word: Danger. Molekula supplies Acetyl chloride 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.
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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1 L — $171.00 per pack
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500 g — $103.20 per pack
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 and fuming liquid |
| Colour (Pt-Co) | <10 |
| Assay | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | -12 °C |
| Transport Class | 3 (8) |
| Packing Group | II |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Liquid |
| Odour | Pungent odor |
| Melting Point | -112.7 °C |
| Boiling Point | 51 °C |
| Density | 1.11 (relative, water = 1) |
| Solubility (other solvents) | Miscible with ether, acetone, benzene, chloroform; soluble in carbon tetrachloride |
| Vapour Pressure | 32 kPa at 20 °C |
| Refractive Index | 1.3886 |
Source: PubChem CID 6367 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 34788557 |
| CAS Number | 75-36-5 |
| IUPAC Name | acetyl chloride |
| EC Number | 200-865-6 |
| Molecular Formula | CH3COCl |
| Molecular Weight | 78.50 |
| Exact Mass | 77.9872 |
| SMILES | CC(=O)Cl |
| InChIKey | WETWJCDKMRHUPV-UHFFFAOYSA-N |
| InChI | InChI=1S/C2H3ClO/c1-2(3)4/h1H3 |
| PubChem CID | 6367 |
| UN Number | UN1717 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2915905010 |
| Tariff Code | 2915909098 |
Safety & GHS
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Flammable
GHS02
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- EUH014 Reacts violently with water
- EUH029 Contact with water liberates toxic gas
- H225 Highly flammable liquid and vapour
- H290 May be corrosive to metals
- H302 Harmful if swallowed
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H318 Causes serious eye damage
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- 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
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, 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
- Acetic acid chloride
- Acetic Acid Chloride; Acetic Chloride; Ethanoyl Chloride; AcCl
- Acetic chloride
- acetylchlorid
- acetylchlorine
- C2H3ClO
- CH3COCl
- Ethanoyl chloride
- RCRA waste no. U006
- RCRA waste number U006
Frequently asked questions
What is acetyl chloride used for?
Acetyl chloride is primarily used as an acetylating agent in organic synthesis, particularly in the production of pharmaceuticals, dyes, and perfumes.
What is the chemical formula and molecular weight of acetyl chloride?
The formula is CH3COCl with a molecular weight of 78.50 g/mol.
How should acetyl chloride be stored?
Store at ambient temperature in a tightly sealed container, away from moisture and incompatible materials.
What grade of acetyl chloride does Molekula supply?
Molekula supplies acetyl chloride in reagent grade, suitable for laboratory and industrial applications.
Can Molekula supply acetyl chloride in bulk?
Yes, Molekula can supply acetyl chloride in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with an order of acetyl chloride?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.