Pentaerythritol
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Pentaerythritol
Alias
1,3-Propanediol, 2,2-bis(hydroxymethyl)-
2,2-Bis(hydroxymethyl)-1,3-propanediol
Category
Non-ionic surfactants-Alcohol
CAS No.
115-77-5
Molecular Formula & Molecular Weight
Molecular Formula: C5H12O4
Molecular Weight: 136.15
Structural Formula
Properties
Appearance: white powder.
Solubility: soluble in water; 25℃, 72.3g/L[1].
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: guinea pig oral LD50: 11300mg/Kg;
mouse oral LD50: 25500mg/Kg;
rabbit oral LD50: 18500mg/Kg;
rat oral LD50: 19500mg/Kg;
rat inhalation LC: > 11000mg/m3/6H.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent solubilizing, dispersing, hydrotropic 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 intermediate. eg: synthesis of polyesters, polyurethanes, plasticizers, lubricants.
Conditioning agent, humectant in personal care products.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 115-77-5
Update: 20130920(1);

 

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