Usnic acid
time:2013-06-15 01:01:10,count:0
Usnic acid
Alias
1,3(2H,9bH)-Dibenzofurandione, 2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-
Category
Non-ionic surfactants-Phenol
CAS No.
125-46-2
Molecular Formula & Molecular Weight
Molecular Formula: C18H16O7
Molecular Weight: 344.32
Structural Formula
Properties
Appearance: solid.
Solubility: insoluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: mouse subcutaneous LD50: 75mg/Kg;
mouse intravenous LD50: 25mg/Kg;
rabbit oral LD: > 500mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent antimicrobial, preservative, anti-infective, anti-oxidizing, anti-inflammatory 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 pharmaceutical ingredient.
Antimicrobial agent in personal care products.
Use as antimicrobial agent, preservative.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 125-46-2
Update: 20130916(1);

 

Home | Surfactants | Documents | Standards | Enterprise | Essays | Links | Navigation | Copyright | Advertising | About us | Bulletin

简体中文 | 繁體中文 | English

MP: 0086 180 0222 7832;   Email: ssunliu@gmail.com

Copyright 2004-2016 SAAPedia All Rights Reserved.