Phenolphthalein
time:2013-09-08 07:54:44,count:0

Phenolphthalein
Alias
1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxyphenyl)-
Category
Non-ionic surfactants-Phenol
CAS No.
77-09-8
Molecular Formula & Molecular Weight
Molecular Formula: C20H14O4
Molecular Weight: 318.32
Structural Formula
Properties
Appearance: solid.
Solubility: slightly soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: rat oral LD: > 1000mg/Kg; rat intraperitoneal LDLo: 500mg/Kg.
Human toxicity[1]: man oral TDLo: 29mg/Kg. reasonably anticipated to be a human carcinogen.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent dispersing, emulsifying abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
Actives*, %, ≥
95
 
*: should be marked on molecular weight.
Major Uses
Use as acid base indicator.
Use as pharmaceutical ingredient.
Use as dispersing agent, emulsifying agent.
Conditioning agent in personal care products.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 77-09-8

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