1-Methyl-2-pyrrolidone
time:2013-09-11 07:20:55,count:0

1-Methyl-2-pyrrolidone
Alias
Methyl pyrrolidone
2-Pyrrolidinone, 1-methyl-
N-Methyl-2-pyrrolidinone
Category
Non-ionic surfactants-Amide
CAS No.
872-50-4
Molecular Formula & Molecular Weight
Molecular Formula: C5H9NO
Molecular Weight: 99.13
Structural Formula
Properties
Appearance: liquid.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: dog intravenous LD50: 63.3mg/Kg;
mouse intraperitoneal LD50: 3050mg/Kg;
mouse intravenous LD50: 54.5mg/Kg;
mouse oral LD50: 5130mg/Kg;
rabbit skin LD50: 8000mg/Kg;
rat inhalation LCLo: 1000mg/m3;
rat intraperitoneal LD50: 2472mg/Kg;
rat intravenous LD50: 80.5mg/Kg;
rat oral LD50: 3914mg/Kg;
rat subcutaneous LD50: > 2000mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent cleansing, solubilizing, 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 solvent.
Use as cleansing agent.
Use as paint remover, degumming agent.
Use as dispersing agent, emulsifying agent.
Solvent in personal care products.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 872-50-4

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