Skip to main content

Phenylhydrazine

Also known as: 1-Hydrazinobenzene, EINECS 202-873-5, Edaravone Impurity 3, Fenilidrazina [Italian], Fenylhydrazine [Dutch], Hydrazine,phenyl, Hydrazine-benzene, Hydrazinobenzene, MFCD00007573, Monophenylhydrazine, N-phenyl hydrazine, PHENYLHYDRAZINE, Phenyl hydrazide, Phenylhydrazin, Phenylhydrazine ,98%, Phenylhydrazine, extra pure, Phenylhydrazine,95%, phenyl-hydrazin

Phenylhydrazine (CAS 100-63-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H8N2 and a molecular weight of 108.14100 g/mol. Key properties include a melting point of 19 °C, a boiling point of 238-241 °C(lit.), a density of 1.099 g/mL at 25 °C(lit.) and a flash point of 89 ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
100-63-0
Jingsj CID
J-3537-8
Molecular Formula
C6H8N2
Molecular Weight
108.14100 g/mol
Category
Organic Bases
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point19 °C
Boiling Point238-241 °C(lit.)
Density1.099 g/mL at 25 °C(lit.)
Flash Point89 ºC
Exact Mass108.06900
PSA38.05000
LogP1.74550
Additional Property4.3 (vs air)
Vapor Pressure<0.1 mm Hg ( 20 °C)
Refractive Indexn20/D 1.607(lit.)
Additional Property145 g/L (20 ºC)

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H315 — Causes skin irritation
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation
  • H331 — Toxic if inhaled
  • H341 — Suspected of causing genetic defects
  • H350 — May cause cancer
  • H372 — Causes damage to organs through prolonged exposure
  • H400 — Very toxic to aquatic life

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 Phenylhydrazine?

The CAS number of Phenylhydrazine is 100-63-0.

What are the molecular formula and molecular weight of Phenylhydrazine?

Phenylhydrazine has molecular formula C6H8N2 and molecular weight 108.14100 g/mol.

Is Phenylhydrazine hazardous?

Phenylhydrazine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of Phenylhydrazine?

For Phenylhydrazine, Upstream Products: Bromobenzene, Iodobenzene, nitrobenzene; Downstream Products: 5-ethyl-1-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, 1,3-DIPHENYLPYRAZOLE-4-PROPIONIC ACID, 4-acetyl-5-methyl-1-phenylpyrazole.

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

Last updated:

How to cite: Jingsj. "Phenylhydrazine (CAS 100-63-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3537-8 (accessed 2026-11-06).

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