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2-Nitrophenylhydrazine

Also known as: (2-nitrophenyl)hydrazine, o-nitrophenylhydrazine, 1-(2-nitrophenyl)hydrazine, Hydrazine, (o-nitrophenyl)-

2-Nitrophenylhydrazine (CAS 3034-19-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H7N3O2 and a molecular weight of 153.13900 g/mol. Key property: a melting point of 91-93 °C(lit.). It is classified under GHS with signal word Danger and hazard statements H228, H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3034-19-3
Jingsj CID
J-23494-6
Molecular Formula
C6H7N3O2
Molecular Weight
153.13900 g/mol
Category
Organic Bases
Last updated
8/21/2026
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Physicochemical Properties

Melting Point91-93 °C(lit.)
Exact Mass153.05400
PSA83.87000
LogP2.17690

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H228
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

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 2-Nitrophenylhydrazine?

The CAS number of 2-Nitrophenylhydrazine is 3034-19-3.

What are the molecular formula and molecular weight of 2-Nitrophenylhydrazine?

2-Nitrophenylhydrazine has molecular formula C6H7N3O2 and molecular weight 153.13900 g/mol.

Is 2-Nitrophenylhydrazine hazardous?

2-Nitrophenylhydrazine has GHS signal word Danger and hazard statements H228; H302 — Harmful if swallowed; H315 — Causes skin irritation.

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

Last updated:

How to cite: Jingsj. "2-Nitrophenylhydrazine (CAS 3034-19-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23494-6 (accessed 2026-11-09).

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