3,3'-Dinitrobenzidine

Also known as: Dinitrobenzidine, 4,4'-Diamino-3,3'-dinitrobiphenyl, 3,3'-Dinitro-[1,1'-biphenyl]-4,4'-diamine, 3,3'-Dinitro-biphenyl-4,4'-diamine, 4-(4-amino-3-nitrophenyl)-2-nitroaniline, 4-(4-Amino-3-nitro-phenyl)-2-nitro-aniline

3,3'-Dinitrobenzidine (CAS 6271-79-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H10N4O4 and a molecular weight of 274.23200 g/mol. Key properties include a melting point of 275ºC, a boiling point of 497.4ºC at 760 mmHg, a density of 1.498g/cm3 and a flash point of 254.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6271-79-0
Jingsj CID: J-1162620-3
Molecular Formula: C₁₂H₁₀N₄O₄
Molecular Weight: 274.23200 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	275ºC
Boiling Point	497.4ºC at 760 mmHg
Density	1.498g/cm3
Flash Point	254.6ºC
Exact Mass	274.07000
PSA	143.68000
LogP	4.54320
Refractive Index	1.721

Customs & Trade Information

HS Code	2921590090
Summary	2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3,3'-Dinitrobenzidine?

The CAS number of 3,3'-Dinitrobenzidine is 6271-79-0.

What are the molecular formula and molecular weight of 3,3'-Dinitrobenzidine?

3,3'-Dinitrobenzidine has molecular formula C12H10N4O4 and molecular weight 274.23200 g/mol.

What are the upstream and downstream products of 3,3'-Dinitrobenzidine?

For 3,3'-Dinitrobenzidine, Upstream Products: 4-Iodo-2-nitroaniline, N,N'-Diacetylbenzidine, Benzidine; Downstream Products: 3,3',4,4'-tetraaminobiphenyl, 4,4'-Dichlorobiphenyl, [1,1'-biphenyl]-3,3'-diamine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3,3'-Dinitrobenzidine (CAS 6271-79-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1162620-3 (accessed 2026-11-09).

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