2,4,6-Trinitrobenzoic acid

2,4,6-三硝基苯甲酸

Also known as: Benzoic acid,2,4,6-trinitro-, sym-Trinitrobenzoic acid, s-Trinitrobenzoic acid, Trinitrobenzoic acid, Trinitrobenzoic acid,dry, 2,4,6-trinitro-benzoesaeure, 2,4,6-Trinitrobenzoic acid (min 30% water)

2,4,6-Trinitrobenzoic acid (CAS 129-66-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H3N3O8 and a molecular weight of 257.11400 g/mol. It is also known as Benzoic acid,2,4,6-trinitro-, sym-Trinitrobenzoic acid and s-Trinitrobenzoic acid. Key properties include a melting point of 228.7ºC, a boiling point of 435.8ºC at 760mmHg, a density of 1.87g/cm3 and a flash point of 193.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
129-66-8
Jingsj CID
J-28322-7
Molecular Formula
C7H3N3O8
Chinese Name
2,4,6-三硝基苯甲酸
Molecular Weight
257.11400 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point228.7ºC
Boiling Point435.8ºC at 760mmHg
Density1.87g/cm3
Flash Point193.6ºC

Frequently Asked Questions

What is the CAS number of 2,4,6-Trinitrobenzoic acid?

The CAS number of 2,4,6-Trinitrobenzoic acid is 129-66-8.

What are the molecular formula and molecular weight of 2,4,6-Trinitrobenzoic acid?

2,4,6-Trinitrobenzoic acid has molecular formula C7H3N3O8 and molecular weight 257.11400 g/mol.

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

Last updated:

How to cite: Jingsj. "2,4,6-Trinitrobenzoic acid (CAS 129-66-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28322-7 (accessed 2026-10-23).

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