Pyrithione sodium
time:2013-08-19 01:36:16,count:0

Pyrithione sodium
Alias
2(1H)-Pyridinethione, 1-hydroxy-, sodium salt
Category
Anionic surfactants-Phenate
CAS No.
15922-78-8
Molecular Formula & Molecular Weight
Molecular Formula: C5H4NNaSO
Molecular Weight: 149.15
Structural Formula
Properties
Appearance: solid.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: dog intravenous LD: > 50mg/Kg;
monkey intravenous LD: > 50mg/Kg;
mouse intraperitoneal LD50: 265mg/Kg;
mouse intravenous LD50: 335mg/Kg;
mouse oral LD50: 870mg/Kg;
mouse subcutaneous LD50: 428mg/Kg;
rabbit intravenous LDLo: 200mg/Kg;
rat intraperitoneal LDLo: 385mg/Kg;
rat oral LDLo: 745mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent antimicrobial, antibacterial, preservative, 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 antimicrobial agent, antibacterial agent, preservative.
Preservative in personal care products.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 15922-78-8

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