Methacrylic acid
time:2013-06-24 02:15:10,count:0
Methacrylic acid
Alias
2-Propenoic acid, 2-methyl-
Category
Anionic surfactants-Carboxylate
CAS No.
79-41-4
Molecular Formula & Molecular Weight
Molecular Formula:C4H6O2
Molecular Weight:86.09
Structural Formula
Properties
Appearance: liquid; low temperature: solid.
Solubility: soluble in water.
Stability: stable. easily oxidized.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: guinea pig skin LD50: 1000mg/Kg;
mouse intraperitoneal LD50: 48mg/Kg;
mouse oral LD50: 1250mg/Kg;
rabbit oral LD50: 1200mg/Kg;
rabbit skin LD50: 500mg/Kg;
rat oral LD50: 1060mg/Kg.
Human toxicity[1]: child oral TDLo: 0.25mL/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent film-forming, 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 monomer.
Film-forming agent in personal care products.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 79-41-4
Update: 20140309(1);

 

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