Molekula
2-Chloroacetophenone
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
2-Chloroacetophenone is a chlorinated aromatic ketone used in organic synthesis and as an intermediate in the production of dyes, pharmaceuticals, and agrochemicals. Its main documented application is as the lacrimatory agent in riot-control tear gas formulations, including Chemical Mace and personal protective sprays. It appears as a white to off-white crystalline solid at room temperature (melting point about 54–56 °C) with a pungent odor. CAS: 532-27-4, molecular formula: C6H5COCH2Cl, molecular weight: 154.59 g/mol. Store at ambient temperature. Hazard symbol: Danger. Molekula supplies 2-Chloroacetophenone 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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100 g — £180.00 per pack ex VAT · £216.00 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 | Clear colourless liquid |
| pH | 6.0 - 8.0 |
| Purity (GC) | ≥99.0% |
| Moisture | ≤500ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 118 °C |
| Transport Class | 6.1 |
| Packing Group | II |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless to gray crystalline solid |
| Odour | Apple blossoms when dilutes; choking |
| Melting Point | 56.5 °C |
| Boiling Point | 247 °C |
| Density | 1.324 g/cm³ at 15 °C |
| Water Solubility | Practically insoluble in water |
| Solubility (other solvents) | Very soluble in ethanol, ethyl ether, benzene; soluble in acetone, petroleum ether |
| Vapour Pressure | 0.7 Pa at 20 °C |
Source: PubChem CID 10757 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 11806112 |
| CAS Number | 532-27-4 |
| IUPAC Name | 2-chloro-1-phenylethanone |
| EC Number | 208-531-1 |
| Molecular Formula | C6H5COCH2Cl |
| Molecular Weight | 154.59 |
| Exact Mass | 154.0185 |
| SMILES | C1=CC=C(C=C1)C(=O)CCl |
| InChIKey | IMACFCSSMIZSPP-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H7ClO/c9-6-8(10)7-4-2-1-3-5-7/h1-5H,6H2 |
| PubChem CID | 10757 |
| UN Number | UN1697 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2914.79.40.00 |
| Tariff Code | 2914790090 |
Safety & GHS
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Corrosive
GHS05
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Toxic
GHS06
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Serious Health Hazard
GHS08
Hazard statements
- H300 Fatal if swallowed
- H311 Toxic in contact with skin
- H318 Causes serious eye damage
- H330 Fatal if inhaled
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- 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.
Synonyms
- 2-Chloro-1-phenylethanone
- Acetophenone, 2-chloro-
- alpha-Chloroacetophenone
- Chemical mace
- CHLOROACETOPHENONE
- Chloromethyl phenyl ketone
- Mace (lacrimator)
- omega-Chloroacetophenone
- Phenacyl chloride
- Tear Gas
Frequently asked questions
What is 2-Chloroacetophenone used for?
It is primarily used as an intermediate in the synthesis of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight of 2-Chloroacetophenone?
The formula is C6H5COCH2Cl with a molecular weight of 154.59 g/mol.
How should 2-Chloroacetophenone be stored?
It should be stored at ambient temperature in a dry, well-ventilated area away from incompatible materials.
What grade is available for 2-Chloroacetophenone?
Available in technical grade; custom purity levels may be requested.
Can Molekula supply 2-Chloroacetophenone in bulk?
Yes, bulk quantities are available upon request; please contact our sales team for details.
What documentation comes with an order of 2-Chloroacetophenone?
Each order includes a Certificate of Analysis 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.