Phenol red

Agent Name
Phenol red
Alternative Name
Phenolsulfonphthalein
CAS Number
143-74-8
Formula
C19-H14-O5-S
Major Category
Dyes
Phenol red formula graphical representation
Synonyms
Phenolsulfonphthalein; 3H-2,1-Benzoxathiole, 3,3-bis(4-hydroxyphenyl)-, 1,1-dioxide; 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)diphenol S,S-dioxide; Fenolipuna; PSP; PSP (indicator); Phenol Red; Phenol, 4,4-(3H-2,1-benzoxathiol-3-ylidene)di-, S-S-dioxide; Phenolsulfonphthalein; Phenolsulphonphthalein; Sulfonphthal; Sulphental; Sulphonthal; [ChemIDplus]
Category
Indicator Dyes
Description
Odorless, red solid; Available as pure compound, soluble monosodium salt, and dilute solutions; [CHEMINFO]
Sources/Uses
Used as a pH indicator and marker of kidney function and other physiological functions; [CHEMINFO] Used as a pH indicator for the pH range of 6.4-8.2; [Ullmann]
Comments
Dust may be irritating if inhaled; [CHEMINFO]
Biomedical References
Search PubMed

Exposure Assessment

Vapor Pressure
6.22E-13 mm Hg
Explanatory Notes
mp = >572 deg F; VP = probably near zero; [CHEMINFO]

Diseases, Processes, and Activities Linked to This Agent

Other Information
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