3,4-Dimethylaniline-6-sulfonic acid

3,4-二甲基苯胺-6-磺酸

Also known as: 2-Amino-4,5-dimethylbenzenesulfonic acid, 3,4-Xylidine-6-sulfonic acid, 5-Amino-o-xylene-4-sulphonic acid, Benzenesulfonic acid, 2-amino-4,5-dimethyl-, 2-Amino-4,5-dimethylbenzolsulfonsaeure, 5-Amino-o-xylol-sulfonsaeure-(4)

3,4-Dimethylaniline-6-sulfonic acid (CAS 56375-83-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H11NO3S and a molecular weight of 201.24300 g/mol. It is also known as 2-Amino-4,5-dimethylbenzenesulfonic acid, 3,4-Xylidine-6-sulfonic acid and 5-Amino-o-xylene-4-sulphonic acid. Key properties include a melting point of 80-82 °C(lit.), a boiling point of 262-264 °C(lit.), a density of 1.368 g/cm3 and a flash point of 262-264°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 56375-83-8
Jingsj CID: J-8568-7
Molecular Formula: C₈H₁₁NO₃S
Chinese Name: 3,4-二甲基苯胺-6-磺酸
Molecular Weight: 201.24300 g/mol
Category: Organic Acids
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	80-82 °C(lit.)
Boiling Point	262-264 °C(lit.)
Density	1.368 g/cm3
Flash Point	262-264°C

Frequently Asked Questions

What is the CAS number of 3,4-Dimethylaniline-6-sulfonic acid?

The CAS number of 3,4-Dimethylaniline-6-sulfonic acid is 56375-83-8.

What are the molecular formula and molecular weight of 3,4-Dimethylaniline-6-sulfonic acid?

3,4-Dimethylaniline-6-sulfonic acid has molecular formula C8H11NO3S and molecular weight 201.24300 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. "3,4-Dimethylaniline-6-sulfonic acid (CAS 56375-83-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8568-7 (accessed 2026-10-22).

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