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3-Chlorophenylhydrazine hydrochloride

Also known as: m-Chlorophenylhydrazine hydrochloride, (3-Chlorophenyl)hydrazine hydrochloride, 3-Chlorophenylhydrazine HCl, Hydrazine, (3-chlorophenyl)-, hydrochloride (1:1), MFCD00012935, EINECS 219-005-6

3-Chlorophenylhydrazine hydrochloride (CAS 2312-23-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8Cl2N2 and a molecular weight of 179.047 g/mol. Key properties include a melting point of 240-245 °C (dec.)(lit.), a boiling point of 266ºC at 760 mmHg and a flash point of 114.7ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2312-23-4
Jingsj CID
J-1126267-2
Molecular Formula
C6H8Cl2N2
Molecular Weight
179.047 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point240-245 °C (dec.)(lit.)
Boiling Point266ºC at 760 mmHg
Flash Point114.7ºC
Exact Mass178.006454
PSA38.05000
LogP3.20090
Vapor Pressure0.00887mmHg at 25°C

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H334 — May cause allergy or asthma symptoms if inhaled

Customs & Trade Information

HS Code2928000090
Summary2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-Chlorophenylhydrazine hydrochloride?

The CAS number of 3-Chlorophenylhydrazine hydrochloride is 2312-23-4.

What are the molecular formula and molecular weight of 3-Chlorophenylhydrazine hydrochloride?

3-Chlorophenylhydrazine hydrochloride has molecular formula C6H8Cl2N2 and molecular weight 179.047 g/mol.

Is 3-Chlorophenylhydrazine hydrochloride hazardous?

3-Chlorophenylhydrazine hydrochloride has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H334 — May cause allergy or asthma symptoms if inhaled.

What are the upstream and downstream products of 3-Chlorophenylhydrazine hydrochloride?

For 3-Chlorophenylhydrazine hydrochloride, Upstream Products: 3-Chloroaniline, 1-Chloro-3-nitrobenzene; Downstream Products: 1-(3-Chlorophenyl)-3-methyl-5-pyrazolone, 5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile, 1-(3-Chlorophenyl)-3-methyl-1H-pyrazol-5-amine.

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-Chlorophenylhydrazine hydrochloride (CAS 2312-23-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1126267-2 (accessed 2026-11-09).

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