4,4'-Dinitro-1,1'-biphenyl-2,2'-dicarboxylic acid

Also known as: 4,4'-Dinitrodiphenic acid, 4,4'-Dinitro-2,2'-biphenyldicarboxylic acid, 4,4'-Dinitro-2,2'-diphenic acid, [1,1'-Biphenyl]-2,2'-dicarboxylic acid, 4,4'-dinitro-, 4,4'-dinitrobiphenyl-2,2'-dicarboxylic acid, 2-(2-carboxy-4-nitrophenyl)-5-nitrobenzoic acid

4,4'-Dinitro-1,1'-biphenyl-2,2'-dicarboxylic acid (CAS 20246-81-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H8N2O8 and a molecular weight of 332.22200 g/mol. Key properties include a boiling point of 539.5ºC at 760 mmHg, a density of 1.632g/cm3 and a flash point of 225.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20246-81-5
Jingsj CID: J-1112820-4
Molecular Formula: C₁₄H₈N₂O₈
Molecular Weight: 332.22200 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	539.5ºC at 760 mmHg
Density	1.632g/cm3
Flash Point	225.2ºC
Exact Mass	332.02800
PSA	166.24000
LogP	3.61280
Vapor Pressure	1.81E-12mmHg at 25°C
Refractive Index	1.69

Customs & Trade Information

HS Code	2917399090
Summary	2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4,4'-Dinitro-1,1'-biphenyl-2,2'-dicarboxylic acid?

The CAS number of 4,4'-Dinitro-1,1'-biphenyl-2,2'-dicarboxylic acid is 20246-81-5.

What are the molecular formula and molecular weight of 4,4'-Dinitro-1,1'-biphenyl-2,2'-dicarboxylic acid?

4,4'-Dinitro-1,1'-biphenyl-2,2'-dicarboxylic acid has molecular formula C14H8N2O8 and molecular weight 332.22200 g/mol.

What are the upstream and downstream products of 4,4'-Dinitro-1,1'-biphenyl-2,2'-dicarboxylic acid?

For 4,4'-Dinitro-1,1'-biphenyl-2,2'-dicarboxylic acid, Upstream Products: 2-Chloro-5-nitrobenzoic acid, 1-Iodonaphthalene, Methyl 2-iodo-5-nitrobenzoate; Downstream Products: Dimethyl 4,4'-dinitro-[1,1'-biphenyl]-2,2'-dicarboxylate, 4,4'-Dinitrobiphenyl, 4,4'-diaminobiphenyl-2,2'-dicarboxylic acid.

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. "4,4'-Dinitro-1,1'-biphenyl-2,2'-dicarboxylic acid (CAS 20246-81-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1112820-4 (accessed 2026-11-09).

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