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4-Butoxybenzoyl chloride

Also known as: 4-n-butoxybenzoyl chloride, 4-butyloxybenzoyl chloride, p-butoxybenzoyl chloride, benzoyl chloride, 4-butoxy-

4-Butoxybenzoyl chloride (CAS 33863-86-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H13ClO2 and a molecular weight of 212.67300 g/mol. Key properties include a boiling point of 160 °C8 mm Hg(lit.), a density of 1.122 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 and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
33863-86-4
Jingsj CID
J-21950-1
Molecular Formula
C11H13ClO2
Molecular Weight
212.67300 g/mol
Category
Aromatic Hydrocarbons
Last updated
11/3/2026
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Physicochemical Properties

Boiling Point160 °C8 mm Hg(lit.)
Density1.122 g/mL at 25 °C(lit.)
Flash Point>110.0 °C
Exact Mass212.06000
PSA26.30000
LogP3.24450
Refractive Indexn20/D 1.5495(lit.)

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H314 — Causes severe skin burns and eye damage
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Butoxybenzoyl chloride?

The CAS number of 4-Butoxybenzoyl chloride is 33863-86-4.

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

4-Butoxybenzoyl chloride has molecular formula C11H13ClO2 and molecular weight 212.67300 g/mol.

Is 4-Butoxybenzoyl chloride hazardous?

4-Butoxybenzoyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 4-Butoxybenzoyl chloride?

For 4-Butoxybenzoyl chloride, Upstream Products: 4-Butoxybenzoic acid, 4-Hydroxybenzoic acid, Ethylparaben; Downstream Products: 4-Hydroxyphenyl 4-butoxybenzoate.

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-Butoxybenzoyl chloride (CAS 33863-86-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21950-1 (accessed 2026-11-09).

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