1-Methyl-1-phenylhydrazine

1-甲基-1-苯肼

Also known as: 1-Methylphenylhydrazine, N-Methyl-N-phenylhydrazine, N-Phenyl-N-methylhydrazine, α-Methylphenylhydrazine, NSC 525518, Hydrazine, 1-methyl-1-phenyl-

1-Methyl-1-phenylhydrazine (CAS 618-40-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H10N2 and a molecular weight of 122.16800 g/mol. It is also known as 1-Methylphenylhydrazine, N-Methyl-N-phenylhydrazine and N-Phenyl-N-methylhydrazine. Key properties include a boiling point of 54-55 °C0.3 mm Hg(lit.), a density of 1.038 g/mL at 25 °C(lit.) and a flash point of 205 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
618-40-6
Jingsj CID
J-27049-2
Molecular Formula
C7H10N2
Chinese Name
1-甲基-1-苯肼
Molecular Weight
122.16800 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point54-55 °C0.3 mm Hg(lit.)
Density1.038 g/mL at 25 °C(lit.)
Flash Point205 °F

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1-Methyl-1-phenylhydrazine?

The CAS number of 1-Methyl-1-phenylhydrazine is 618-40-6.

What are the molecular formula and molecular weight of 1-Methyl-1-phenylhydrazine?

1-Methyl-1-phenylhydrazine has molecular formula C7H10N2 and molecular weight 122.16800 g/mol.

Is 1-Methyl-1-phenylhydrazine hazardous?

1-Methyl-1-phenylhydrazine 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. "1-Methyl-1-phenylhydrazine (CAS 618-40-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27049-2 (accessed 2026-10-22).

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