3,3'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine

Also known as: 3,3'-Bis(trifluoromethyl)benzidine, 3,3'-Di(trifluoromethyl)benzidine, 3,3'-Bis(trifluoromethyl)-4,4'-diaminobiphenyl, 4-[4-amino-3-(trifluoromethyl)phenyl]-2-(trifluoromethyl)aniline, 33TFMB, 3,3'-Bistrifluormethylbenzidin

3,3'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine (CAS 346-88-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C14H10F6N2 and a molecular weight of 320.23300 g/mol. Key properties include a melting point of 180-181ºC, a boiling point of 364.2ºC at 760 mmHg, a density of 1.415g/cm3 and a flash point of 165.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 346-88-3
Jingsj CID: J-1519102-3
Molecular Formula: C₁₄H₁₀F₆N₂
Molecular Weight: 320.23300 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	180-181ºC
Boiling Point	364.2ºC at 760 mmHg
Density	1.415g/cm3
Flash Point	165.5ºC
Exact Mass	320.07500
PSA	52.04000
LogP	5.71800
Refractive Index	1.524

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'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine?

The CAS number of 3,3'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine is 346-88-3.

What are the molecular formula and molecular weight of 3,3'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine?

3,3'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine has molecular formula C14H10F6N2 and molecular weight 320.23300 g/mol.

What are the upstream and downstream products of 3,3'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine?

For 3,3'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine, Upstream Products: 4,4'-Dinitro-3,3'-bis(trifluoromethyl)-1,1'-biphenyl, 1-nitro-2-(trifluoromethyl)benzene.

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'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine (CAS 346-88-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519102-3 (accessed 2026-11-09).

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