4,4'-Dinitro-2-biphenylamine

4,4'-二硝基-2-联苯胺

Also known as: 4,4'-Dinitrobiphenyl-2-amine, 2-Amino-4,4'-dinitrobiphenyl, 5-nitro-2-(4-nitrophenyl)aniline, 4,4'-dinitrobiphenyl-2-ylamine, NSC408700, LABOTEST-BB LT00080730, (1,1'-Biphenyl)-2-amine,4,4'-dinitro, 4,4'-dinitro-(1,1'-biphenyl)-2-amine, 4,4'-dinitro-biphenyl-2-ylamin, 5-nitro-2-(4-nitrophenyl)phenylamine, 1-amino-3,8-dinitrobiphenyl, 2-(4-Nitrophenyl)-5-nitroaniline, 4,4'-Dinitro-1,1'-biphenyl-2-amine, amino-2 dinitro-4,4' biphenyle, 4.4'-Dinitro-2-amino-biphenyl

4,4'-Dinitro-2-biphenylamine (CAS 51787-75-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H9N3O4 and a molecular weight of 259.21800 g/mol. It is also known as 4,4'-Dinitrobiphenyl-2-amine, 2-Amino-4,4'-dinitrobiphenyl and 5-nitro-2-(4-nitrophenyl)aniline. Key properties include a melting point of 208-210ºC(lit.), a boiling point of 472ºC at 760 mmHg, a density of 1.434g/cm3 and a flash point of 239.3ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51787-75-8
Jingsj CID
J-20279-0
Molecular Formula
C12H9N3O4
Chinese Name
4,4'-二硝基-2-联苯胺
Molecular Weight
259.21800 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point208-210ºC(lit.)
Boiling Point472ºC at 760 mmHg
Density1.434g/cm3
Flash Point239.3ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4,4'-Dinitro-2-biphenylamine?

The CAS number of 4,4'-Dinitro-2-biphenylamine is 51787-75-8.

What are the molecular formula and molecular weight of 4,4'-Dinitro-2-biphenylamine?

4,4'-Dinitro-2-biphenylamine has molecular formula C12H9N3O4 and molecular weight 259.21800 g/mol.

Is 4,4'-Dinitro-2-biphenylamine hazardous?

4,4'-Dinitro-2-biphenylamine 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. "4,4'-Dinitro-2-biphenylamine (CAS 51787-75-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20279-0 (accessed 2026-10-22).

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