m-Cresol purple, sodium salt

间甲酚紫

Also known as: M-CRESOL PURPLE, SODIUM SALT, M-CRESOL PURPLE, WATER SOLUBLE, M-CRESOLSULFONEPHTHALEIN SODIUM SALT, M-CRESOLSULFONPHTHALEIN SODIUM SALT, METACRESOL PURPLE SODIUM SALT, SODIUM M-CRESOL PURPLE, SODIUM M-CRESOLSULFONEPHTHALATE, SODIUM METACRESOL PURPLE, Einecs 267-043-7, Sodium hydrogen 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(3-methylphenolate) S,S-dioxide

m-Cresol purple, sodium salt (CAS 67763-22-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C21H17NaO5S and a molecular weight of 404.41100 g/mol. It is also known as M-CRESOL PURPLE, SODIUM SALT, M-CRESOL PURPLE, WATER SOLUBLE and M-CRESOLSULFONEPHTHALEIN SODIUM SALT. Key properties include a boiling point of 577.5ºC at 760mmHg, a density of 1.404g/cm3 and a flash point of 303ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 67763-22-8
Jingsj CID: J-1319517-7
Molecular Formula: C₂₁H₁₇NaO₅S
Chinese Name: 间甲酚紫
Molecular Weight: 404.41100 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	577.5ºC at 760mmHg
Density	1.404g/cm3
Flash Point	303ºC

Frequently Asked Questions

What is the CAS number of m-Cresol purple, sodium salt?

The CAS number of m-Cresol purple, sodium salt is 67763-22-8.

What are the molecular formula and molecular weight of m-Cresol purple, sodium salt?

m-Cresol purple, sodium salt has molecular formula C21H17NaO5S and molecular weight 404.41100 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. "m-Cresol purple, sodium salt (CAS 67763-22-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1319517-7 (accessed 2026-10-25).

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