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3-Methylphenylhydrazine hydrochloride

3-甲基苯肼盐酸盐

Also known as: m-Tolylhydrazine hydrochloride, 3-Tolylhydrazine hydrochloride, 3-Methylphenylhydrazine HCl, m-Methylphenylhydrazine hydrochloride, m-Tolylhydrazinium chloride, meta-tolylhydrazine hydrochloride, 3-Tolylhydrazinium Chloride, M-TOLYHYDRAZINE HYDROCHLORIDE, M-TOLYLHYDRAZINE HYDROCHLORIDE

3-Methylphenylhydrazine hydrochloride (CAS 637-04-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H11ClN2 and a molecular weight of 122.168 g/mol. It is also known as m-Tolylhydrazine hydrochloride, 3-Tolylhydrazine hydrochloride and 3-Methylphenylhydrazine HCl. Key properties include a melting point of 184-194 °C (dec.)(lit.), a boiling point of 243.8±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 116.0±22.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
637-04-7
Jingsj CID
J-810636-4
Molecular Formula
C7H11ClN2
Chinese Name
3-甲基苯肼盐酸盐
Molecular Weight
122.168 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point184-194 °C (dec.)(lit.)
Boiling Point243.8±9.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point116.0±22.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-Methylphenylhydrazine hydrochloride?

The CAS number of 3-Methylphenylhydrazine hydrochloride is 637-04-7.

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

3-Methylphenylhydrazine hydrochloride has molecular formula C7H11ClN2 and molecular weight 122.168 g/mol.

Is 3-Methylphenylhydrazine hydrochloride hazardous?

3-Methylphenylhydrazine hydrochloride has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "3-Methylphenylhydrazine hydrochloride (CAS 637-04-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-810636-4 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.