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Chlorophenol Red sodium salt

Also known as: Chlorophenol Red sodium salt (CPR), Chlorophenol Red, sodium salt, Chlorphenol Red sodium salt, Chlorophenol Red, water soluble, Chlorophenol Red, sodium salt, water soluble, pure, 3',3''-Dichlorophenolsulfonephthalein sodium salt, 3',3''-Dichlorophenolsulfonphthalein sodium salt, Dichlorophenolsulfonephthalein, sodium salt, Chlorphenolrot, dichlorophenol sulfonaphthalein, Sodium 2-chloro-4-(3-(3-chloro-4-hydroxyphenyl)-1,1-dioxido-3H-benzo[c][1,2]oxathiol-3-yl)phenolate, MFCD00151199, EINECS 224-619-2

Chlorophenol Red sodium salt (CAS 123333-64-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C19H11Cl2NaO5S and a molecular weight of 445.24800 g/mol. Key properties include a melting point of 267ºC and a density of 0.99. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
123333-64-2
Jingsj CID
J-28619-6
Molecular Formula
C19H11Cl2NaO5S
Molecular Weight
445.24800 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point267ºC
Density0.99
Exact Mass443.96000
PSA95.04000
LogP5.93440
AppearanceCrystals
Additional PropertySolubility Soluble in water, ethanol

Activity & Biological Data

Additional Information[1]. Moller JV, et al. Indicator dyes as probes of electrostatic potential changes on macromolecular surfaces. Biochemistry. 1975 Jun 3;14(11):2317-23.

Frequently Asked Questions

What is the CAS number of Chlorophenol Red sodium salt?

The CAS number of Chlorophenol Red sodium salt is 123333-64-2.

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

Chlorophenol Red sodium salt has molecular formula C19H11Cl2NaO5S and molecular weight 445.24800 g/mol.

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

Last updated:

How to cite: Jingsj. "Chlorophenol Red sodium salt (CAS 123333-64-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28619-6 (accessed 2026-11-06).

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