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4-(Chloromethyl)phenyl acetate

Also known as: 4-acetoxybenzyl chloride, acetic acid 4-chloromethylphenyl ester, p-acetoxybenzyl chloride, para-acetoxy-benzyl chloride, Phenol, 4-(chloromethyl)-, acetate, MFCD00209564

4-(Chloromethyl)phenyl acetate (CAS 39720-27-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9ClO2 and a molecular weight of 184.62000 g/mol. Key properties include a melting point of 31.5℃, a boiling point of 270.7ºC at 760mmHg, a density of 1.192g/cm3 and a flash point of 130.9ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H314 — Causes severe skin burns and eye damage and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
39720-27-9
Jingsj CID
J-15496-1
Molecular Formula
C9H9ClO2
Molecular Weight
184.62000 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point31.5℃
Boiling Point270.7ºC at 760mmHg
Density1.192g/cm3
Flash Point130.9ºC
Exact Mass184.02900
PSA26.30000
LogP2.35070
Refractive Indexn20/D 1.53(lit.)

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H314 — Causes severe skin burns and eye damage
  • H317 — May cause an allergic skin reaction

Frequently Asked Questions

What is the CAS number of 4-(Chloromethyl)phenyl acetate?

The CAS number of 4-(Chloromethyl)phenyl acetate is 39720-27-9.

What are the molecular formula and molecular weight of 4-(Chloromethyl)phenyl acetate?

4-(Chloromethyl)phenyl acetate has molecular formula C9H9ClO2 and molecular weight 184.62000 g/mol.

Is 4-(Chloromethyl)phenyl acetate hazardous?

4-(Chloromethyl)phenyl acetate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage; H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of 4-(Chloromethyl)phenyl acetate?

For 4-(Chloromethyl)phenyl acetate, Upstream Products: 4-Acetoxybenzaldehyde, p-Cresol, 4-Hydroxybenzyl alcohol; Downstream Products: 4-Hydroxybenzyl chloride, 4-(Methoxymethyl)phenol, 4-Benzylphenol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-(Chloromethyl)phenyl acetate (CAS 39720-27-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15496-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.