Cresol Red sodium salt

Also known as: o-Cresolsulfonphthalein sodium salt, o-Cresol Red, sodium salt, Sodium cresol red, Cresol Red, sodium salt, Cresol red (sodium) (IND), Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-methyl-, sodium salt (1:1)

Cresol Red sodium salt (CAS 62625-29-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C21H17NaO5S and a molecular weight of 403.404 g/mol. Key properties include a melting point of 250 °C (dec.)(lit.), a boiling point of 561.9ºC at 760 mmHg, a density of 1.404g/cm3 and a flash point of 293.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 62625-29-0
Jingsj CID: J-1991163-0
Molecular Formula: C₂₁H₁₇NaO₅S
Molecular Weight: 403.404 g/mol
Category: Alcohols
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	250 °C (dec.)(lit.)
Boiling Point	561.9ºC at 760 mmHg
Density	1.404g/cm3
Flash Point	293.6ºC
Exact Mass	403.062164
PSA	102.88000
LogP	4.57260
Additional Property	SOLUBLE

Activity & Biological Data

Additional Information	[1]. Mark C.Patsavas, et al. Physical-chemical characterization of purified cresol red for spectrophotometric pH measurements in seawater. Marine Chemistry. Volume 155, 20 September 2013, Pages 158-164.

Frequently Asked Questions

What is the CAS number of Cresol Red sodium salt?

The CAS number of Cresol Red sodium salt is 62625-29-0.

What are the molecular formula and molecular weight of Cresol Red sodium salt?

Cresol Red sodium salt has molecular formula C21H17NaO5S and molecular weight 403.404 g/mol.

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. "Cresol Red sodium salt (CAS 62625-29-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991163-0 (accessed 2026-11-07).

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