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Specifications

Product name:  Pentaerythrite; Pentaerythritol
Abbreviations:  PER
CAS    No.:  [115-77-5]
Molecular form:  C(CH2OH)4 
Molecular weight:  136.15
Quality index:  White crystalline or powder
Assay,%:  ≥98.0%
Melting point,℃:  261~262℃
Boiling point,℃:  276℃ 
Relative density: 1.395g/cm3  
Refractive index: 1.548
Solubility: At 15°C ,1g soluble in 18ml water. Slightly soluble in ethanol, is not soluble in benzene, ether and petroleum ether. 
Stability: Stable in the air, difficult-absorbent.  
 
Other physical and chemical properties: Slightly sweet, non-toxic.
Preparation method:Acetaldehyde and formaldehyde in alkaline conditions after the condensation with hydrogen reduction or with formaldehyde in alkali reaction conditions.
Package and Storage:In woven bags, lined with plastic film bags of 25kg net each. Stored in dry, clean, ventilated warehouse.
Usage: Used for the production of alkyd resins and patints. Also is the main material of synthetic lubricants, plasticizers, surfactants and explosives.