[1,1'-biphenyl]-3,3'-diamine

[1,1'-联苯]-3,3'-二胺

Also known as: 1,1'-biphenyl-3,3'-diamine, 1,1'-biphenyl-3,3'-diamine dihydrochloride, 3,3'-diaminobiphenyl, 3,3'-bisaminobiphenyl, 3,3'-diamino-1,1'-biphenyl, 3,3'-diphenyldiamine, 3-(3-aminophenyl)aniline, 3-(3-aminophenyl)phenylamine, biphenyl-3,3'-diamine, biphenyl-3,3'-diyldiamine, m-benzidine

[1,1'-biphenyl]-3,3'-diamine (CAS 2050-89-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H12N2 and a molecular weight of 184.23700 g/mol. It is also known as 1,1'-biphenyl-3,3'-diamine, 1,1'-biphenyl-3,3'-diamine dihydrochloride and 3,3'-diaminobiphenyl. Key properties include a boiling point of 427.8ºC at 760 mmHg, a density of 1.156g/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.: 2050-89-7
Jingsj CID: J-1178225-6
Molecular Formula: C₁₂H₁₂N₂
Chinese Name: [1,1'-联苯]-3,3'-二胺
Molecular Weight: 184.23700 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	427.8ºC at 760 mmHg
Density	1.156g/cm3
Flash Point	254.6ºC

Frequently Asked Questions

What is the CAS number of [1,1'-biphenyl]-3,3'-diamine?

The CAS number of [1,1'-biphenyl]-3,3'-diamine is 2050-89-7.

What are the molecular formula and molecular weight of [1,1'-biphenyl]-3,3'-diamine?

[1,1'-biphenyl]-3,3'-diamine has molecular formula C12H12N2 and molecular weight 184.23700 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "[1,1'-biphenyl]-3,3'-diamine (CAS 2050-89-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1178225-6 (accessed 2026-10-22).

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