2,2-Difluoro-1,3-benzodioxole-5-carboxylic acid

2,2-二氟-1,3-苯并二恶茂-5-甲酸

Also known as: 2,2-Difluoro-1,3-benzodioxole-5-carboxylic acid, 2,2-Difluorobenzodioxole-5-carboxylic acid, 2,2-Difluoro-1,3-benzodioxole-5-carboxylic acid, 97+%, 2,2-Difluoro-1,3-benzodioxole-5-carboxylic acid 98%, 5-Carboxy-2,2-difluoro-1,3-benzodioxole, 3,4-Difluormethylendioxy-benzoesaeure, BUTTPARK 29\01-69, RARECHEM AL BO 0906, MFCD00792417

2,2-Difluoro-1,3-benzodioxole-5-carboxylic acid (CAS 656-46-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H4F2O4 and a molecular weight of 202.11200 g/mol. It is also known as 2,2-Difluorobenzodioxole-5-carboxylic acid, 2,2-Difluoro-1,3-benzodioxole-5-carboxylic acid, 97+% and 2,2-Difluoro-1,3-benzodioxole-5-carboxylic acid 98%. Key properties include a melting point of 178, a boiling point of 266.1ºC at 760 mmHg, a density of 1.66 g/cm3 and a flash point of 114.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
656-46-2
Jingsj CID
J-1341650-0
Molecular Formula
C8H4F2O4
Chinese Name
2,2-二氟-1,3-苯并二恶茂-5-甲酸
Molecular Weight
202.11200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point178
Boiling Point266.1ºC at 760 mmHg
Density1.66 g/cm3
Flash Point114.7ºC

Frequently Asked Questions

What is the CAS number of 2,2-Difluoro-1,3-benzodioxole-5-carboxylic acid?

The CAS number of 2,2-Difluoro-1,3-benzodioxole-5-carboxylic acid is 656-46-2.

What are the molecular formula and molecular weight of 2,2-Difluoro-1,3-benzodioxole-5-carboxylic acid?

2,2-Difluoro-1,3-benzodioxole-5-carboxylic acid has molecular formula C8H4F2O4 and molecular weight 202.11200 g/mol.

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

Last updated:

How to cite: Jingsj. "2,2-Difluoro-1,3-benzodioxole-5-carboxylic acid (CAS 656-46-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1341650-0 (accessed 2026-10-22).

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