Pentaerythrite or Pentaerythritol
Formular: C(CH2OH)4
CAS No. 115-77-5
H.S. Code 29054200
Molecular weight: 136.15
when15 °C , this product can soluble in 18ml water; soluble in ethanol, glycerol, ethylene glycol, formamide, insoluble in toluene, acetone, ethylene dichloride, ether and petroleum ether, etc. Easy to be general organic acid ester, and dilute caustic soda solution were hot no reaction. Combustible. Non-toxic.
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Technical Index
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High class
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Top quality
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qualified
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Apperance
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White crystalline power
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White crystalline power with No visible to the impurity
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No visible to the impurity white with HuiQing color or light yellow
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MonoPentaerythritol (%) min.
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99.0
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98.0
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94.0
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Hydroxy content (%) min.
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47.0
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47.0
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46.0
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Moisture(%) max
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0.4
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0.2
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0.8
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Ash (%) max
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0.10
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0.10
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0.10
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Melting point (°C) min
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260
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240
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195
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Phthalic color (Fe,Co,Cu standard color solution) max.
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2
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4
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6
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Usage: Used as adhesive of flame retardant, and ammonium polyphosphate (APP) fit available expansion type flame retardant. Also used for polyurethane crosslinker, provide polyurethane in the branched chain.