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4-Methoxyphenylacetyl chloride

Also known as: 4-METHOXYBENZENEACETYL CHLORIDE, 4-Methoxyphenacetyl chloride, p-Anisylacetyl chloride, p-Methoxyphenacetyl chloride, p-Methoxyphenylacetyl chloride, 2-(4-Methoxyphenyl)acetyl chloride, (4-Methoxyphenyl)acetyl chloride

4-Methoxyphenylacetyl chloride (CAS 4693-91-8) is a compound in the Aromatic Hydrocarbons 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 boiling point of 143 °C10 mm Hg(lit.), a density of 1.208 g/mL at 25 °C(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
4693-91-8
Jingsj CID
J-32382-0
Molecular Formula
C9H9ClO2
Molecular Weight
184.62000 g/mol
Category
Aromatic Hydrocarbons
Last updated
11/3/2026

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Physicochemical Properties

Boiling Point143 °C10 mm Hg(lit.)
Density1.208 g/mL at 25 °C(lit.)
Flash Point>110.0 °C
Exact Mass184.02900
PSA26.30000
LogP2.00310
Refractive Indexn20/D 1.54(lit.)

GHS Safety & Compliance

CorrosionSignal word: Danger
  • H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of 4-Methoxyphenylacetyl chloride?

The CAS number of 4-Methoxyphenylacetyl chloride is 4693-91-8.

What are the molecular formula and molecular weight of 4-Methoxyphenylacetyl chloride?

4-Methoxyphenylacetyl chloride has molecular formula C9H9ClO2 and molecular weight 184.62000 g/mol.

Is 4-Methoxyphenylacetyl chloride hazardous?

4-Methoxyphenylacetyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

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-Methoxyphenylacetyl chloride (CAS 4693-91-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32382-0 (accessed 2026-11-09).

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