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3,5-Dichlorobenzaldehyde

Also known as: 3,5-Dichlorobenzaldehyde, 3,5-Dichloro-benzaldehyde, 3,5-Dichlor-benzaldehyd, Benzaldehyde, 3,5-dichloro-, MFCD00003352, EINECS 233-499-0

3,5-Dichlorobenzaldehyde (CAS 10203-08-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H4Cl2O and a molecular weight of 175.012 g/mol. Key properties include a melting point of 63.5-65.5 °C(lit.), a boiling point of 241.1±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 98.3±22.3 °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 Aug 21, 2026.

CAS No.
10203-08-4
Jingsj CID
J-22046-2
Molecular Formula
C7H4Cl2O
Molecular Weight
175.012 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point63.5-65.5 °C(lit.)
Boiling Point241.1±20.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point98.3±22.3 °C
Exact Mass173.963913
PSA17.07000
LogP2.88
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.601

GHS Safety & Compliance

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

Customs & Trade Information

HS Code2913000090
SummaryHS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3,5-Dichlorobenzaldehyde?

The CAS number of 3,5-Dichlorobenzaldehyde is 10203-08-4.

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

3,5-Dichlorobenzaldehyde has molecular formula C7H4Cl2O and molecular weight 175.012 g/mol.

Is 3,5-Dichlorobenzaldehyde hazardous?

3,5-Dichlorobenzaldehyde has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

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

For 3,5-Dichlorobenzaldehyde, Upstream Products: 2,4-Dichlorobenzoyl chloride, 3,5-Dichlorobenzyl alcohol, 3,5-Dichlorobenzoyl chloride; Downstream Products: 5,7-Dichloro-2,3-dihydro-1H-inden-1-one, 1,3-Dichloro-5-(chloromethyl)benzene, 3,5-Dichlorobenzylamine.

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-Dichlorobenzaldehyde (CAS 10203-08-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22046-2 (accessed 2026-11-09).

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