Specification :

Di-pentaerythritol
Product: Dipentaerythritol ( Di-PE)
CAS RN.: 126-58-9
Molecular formula: C10H22O7
1. Appearance: Di-pentaerythritol is a white, odourless and crystalline powder. It is no poisonous to animal, no stimulates to skin, no pollution to environment. Di-pentaerythritol is slightly soluble in water, but not soluble in most organic solvent. It can react with organic material and turn into ester. And its hydroxyl value is between 38-40 .
2. Application: as an important fine-chemical intermediate, di-pentaerythritol is mainly used in the coating industry, polyether, alkyd resin and photosensitive resin films etc. Its low aliphtic ester is used as PVC plasticizer in hi-temp insulating material. Its high aliphtic ester is used in aviation lubricant.
3. Quality Standard & Specification:
Items 85 Grade 90 Grade
Di-PE, wt.% , min. 85 90
Momo-PE, wt.% , max. 5 3
Tri-PE, wt.% , max. 8 7
Hydroxyl value, wt.% , min. 37.0-40.0 38.0-40.0
Moisture, wt.% , max. 0.5 0.5
Ash, wt.% , max. 0.3 0.1
Melting Point ° C 205-224 205-224
Phthalic color max. 3 2

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