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3,5-Dichlorobenzoyl chloride

Also known as: DCBC, 3,5-Dichlorobenzoic acid chloride, 3,5-Dichlorobenzoyl, 3,5-dichloro-benzoyl chloride, 3,5-dichlorobenzenecarbonyl chloride, Benzoyl chloride, 3,5-dichloro-, Yamaguchi reagent

3,5-Dichlorobenzoyl chloride (CAS 2905-62-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H3Cl3O and a molecular weight of 209.457 g/mol. Key properties include a melting point of 28 °C(lit.), a boiling point of 249.1±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 102.1±22.3 °C. 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 H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2905-62-6
Jingsj CID
J-1504062-8
Molecular Formula
C7H3Cl3O
Molecular Weight
209.457 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point28 °C(lit.)
Boiling Point249.1±20.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point102.1±22.3 °C
Exact Mass207.924942
PSA17.07000
LogP3.81
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.577

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H314 — Causes severe skin burns and eye damage
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2916399090
Summary2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3,5-Dichlorobenzoyl chloride?

The CAS number of 3,5-Dichlorobenzoyl chloride is 2905-62-6.

What are the molecular formula and molecular weight of 3,5-Dichlorobenzoyl chloride?

3,5-Dichlorobenzoyl chloride has molecular formula C7H3Cl3O and molecular weight 209.457 g/mol.

Is 3,5-Dichlorobenzoyl chloride hazardous?

3,5-Dichlorobenzoyl chloride has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 3,5-Dichlorobenzoyl chloride?

For 3,5-Dichlorobenzoyl chloride, Upstream Products: 3,5-Dichlorobenzoic acid, 3,5-Dichlorotoluene; Downstream Products: Bemesetron, Tafamidis, 3,5-Dichlorobenzyl alcohol.

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

Last updated:

How to cite: Jingsj. "3,5-Dichlorobenzoyl chloride (CAS 2905-62-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504062-8 (accessed 2026-11-06).

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