ChemicalBook--->CAS DataBase List--->81-90-3

81-90-3

81-90-3 Structure

81-90-3 Structure
IdentificationBack Directory
[Name]

PHENOLPHTHALIN
[CAS]

81-90-3
[Synonyms]

PHENOLTHALEIN
PHENOLPHTHALIN
PHENOLPHTHALIN,98%
Phenolphthalin 
[for redox indicator]
LABOTEST-BB LT00772253
Phenolphthaleinreduced
Phenolphthalin, pure, 98%
PHENOLPHTHALIN, 98%, PURE
Phenolphthalin [for redox indicator]
2-(4,4'-Dihydroxybenzhydryl)benzoic acid
2-[bis(4-hydroxyphenyl)methyl]-benzoicaci
o-[Bis(p-hydroxyphenyl)methyl]benzoic acid
Benzoic acid, 2-bis(4-hydroxyphenyl)methyl-
alpha,alpha-bis(4-hydroxyphenyl)-o-toluic acid
[EINECS(EC#)]

201-384-4
[Molecular Formula]

C20H16O4
[MDL Number]

MFCD00036135
[MOL File]

81-90-3.mol
[Molecular Weight]

320.34
Chemical PropertiesBack Directory
[Appearance]

white glistening fine crystalline powder
[Melting point ]

238 °C
[Boiling point ]

419.24°C (rough estimate)
[density ]

1.1863 (rough estimate)
[refractive index ]

1.5400 (estimate)
[storage temp. ]

Sealed in dry,Room Temperature
[solubility ]

almost transparency in EtOH95vol%
[form ]

powder to crystaline
[pka]

3.96±0.36(Predicted)
[color ]

White to Almost white
[Water Solubility ]

175mg/L(20 ºC)
[Merck ]

14,7244
[EPA Substance Registry System]

Benzoic acid, 2-[bis(4-hydroxyphenyl)methyl]- (81-90-3)
Hazard InformationBack Directory
[Chemical Properties]

white glistening fine crystalline powder
[Uses]

As a reagent for oxidases, blood, HCN, peroxides, copper.
[Definition]

ChEBI: Phenolphthalin is a member of benzoic acids.
Safety DataBack Directory
[Safety Statements ]

24/25
[WGK Germany ]

3
[TSCA ]

TSCA listed
[HS Code ]

2916.39.7900
Raw materials And Preparation ProductsBack Directory
[Preparation Products]

p-Cresol-->1,1,2,2-Tetrakis(4-hydroxyphenyl)ethane
Spectrum DetailBack Directory
[Spectrum Detail]

PHENOLPHTHALIN(81-90-3)MS
PHENOLPHTHALIN(81-90-3)IR1
PHENOLPHTHALIN(81-90-3)IR2
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