Surfactants - Anionic Available to Source

Phenol Red

CAS 143-74-8 · MF C19H14O5S · MW 354.4 g/mol

Phenol Red is a pH indicator dye commonly used in biological and chemical testing.

SDS / TDS Download
CAS Number
143-74-8
Molecular Formula
C19H14O5S
Molecular Weight
354.4 g/mol
Material Family
Surfactants - Anionic
Functional Roles
GHS / SDS Safety Warning
Irritant
  • H319 (42.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (87.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H315 (98.6%): Causes skin irritation [Warning Skin corrosion/irritation]
Chemical Identity
CAS Number143-74-8
IUPAC Name4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]phenol
InChI KeyBELBBZDIHDAJOR-UHFFFAOYSA-N
PubChem CID 4766
INCI NamePHENOLSULFONPHTHALEIN
Synonyms & Trade Names
PHENOL RED phenolsulfonphthalein Fenolipuna Sulphonthal Phenolsulphonphthalein PSP (indicator) I6G9Y0J1OJ DTXCID202408 Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis-, (S,S-dioxide) 3,3-bis(4-hydroxyphenyl)-3H-2,1??-benzoxathiole-1,1-dione RefChem:172881 2-(Bis(4-hydroxyphenyl)methyliumyl)benzenesulfonate Sulfonphthal Sulphental
Full Description

Phenol Red is a pH indicator dye commonly used in biological and chemical testing.