Sodium pyrithione
time:2013-07-17 01:47:16,count:0
Sodium pyrithione
Alias
2-Pyridinethiol, 1-oxide, sodium salt (1:1)
2-Pyridinethiol, N-oxide, sodium salt
Pyrithione sodium
Category
Zwitterionic surfactants-Amine oxides
CAS No.
3811-73-2
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]: mouse intraperitoneal LD50: 370mg/Kg;
mouse intravenous LD50: 320mg/Kg;
mouse oral LD50: 870mg/Kg;
mouse subcutaneous LD50: 428mg/Kg;
mouse parenteral LDLo: 800mg/Kg.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: Biodegradable.
Characteristics: excellent antimicrobial, antibacterial, preservative abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives, %,≥
95
 
Major Uses
Use as antimicrobial agent, preservatives.
Preservative in personal care products.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 3811-73-2
Update: 20140729(1);

 

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