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Thymol blue sodium salt

Also known as: Sodium Thymol Blue, Thymolsulfonphthalein sodium salt, sodium hydrogen 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(5-methyl-2-(1-methylethyl)phenolate) S,S-dioxide, Phenolate, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-, sodium salt (1:1)

Thymol blue sodium salt (CAS 62625-21-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C27H29NaO5S and a molecular weight of 487.564 g/mol. Key properties include a melting point of 283-285 °C (dec.)(lit.) and a density of 0.979 g/mL at 25 °C. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
62625-21-2
Jingsj CID
J-9127-0
Molecular Formula
C27H29NaO5S
Molecular Weight
487.564 g/mol
Category
Alcohols
Last updated
8/21/2026
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Physicochemical Properties

Melting Point283-285 °C (dec.)(lit.)
Density0.979 g/mL at 25 °C
Exact Mass487.156067
PSA95.04000
LogP7.49120
Additional Property95% ethanol: 10 mg/mL, clear, dark green

Activity & Biological Data

Additional Information[1]. Huining Zhang, et al. Spectrophotometric pH measurements of surface seawater at in-situ conditions: absorbance and protonation behavior of thymol blue. Marine Chemistry,Volume 52, Issue 1,1996, Pages 17-25.

Frequently Asked Questions

What is the CAS number of Thymol blue sodium salt?

The CAS number of Thymol blue sodium salt is 62625-21-2.

What are the molecular formula and molecular weight of Thymol blue sodium salt?

Thymol blue sodium salt has molecular formula C27H29NaO5S and molecular weight 487.564 g/mol.

Which suppliers offer Thymol blue sodium salt?

1 supplier(s) listed; request a quote for pricing.

What are the upstream and downstream products of Thymol blue sodium salt?

For Thymol blue sodium salt, Upstream Products: Sodium ethoxide, Thymol blue.

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

Last updated:

How to cite: Jingsj. "Thymol blue sodium salt (CAS 62625-21-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9127-0 (accessed 2026-11-09).

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