Diphenyl carbomethoxy acetoxy naphthopyran
time:2013-12-09 21:57:08,count:0

Diphenyl carbomethoxy acetoxy naphthopyran
Alias
2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 6-(acetoxy)-2,2-diphenyl-, methyl ester
Category
Non-ionic surfactants-Ester
CAS No.
169682-22-8
Molecular Formula & Molecular Weight
Molecular Formula: C29H22O5
Molecular Weight: 450.48
Structural Formula
Properties
Appearance: solid.
Solubility: insoluble in water.
Stability: stable. at strong acid, strong alkali, easily hydrolyzed.
Risk: irritation, irritation to skin, eye.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent UV absorbing, dispersing 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 UV absorbing agent.
UV absorbing agent, skin protective agent in personal care products.
Manufacturers