Pentaerythritol By Tianjin Ouyuansheng Chemicals Co., Ltd.

1. Chemical namei Pentaerythrite, Pentaerythritol; tetramethylolmethane
Abbreviationsi PER
Molecular formi C(CH2OH)4
Molecular weighti 136.15
2, CAS No.: 115-77-5
3, HS Code: 29054200
4, Type: Pentaerythritol 98% min & Pentaerythritol 95%min
5. Content of Unit pentaerythritol: min.98%
Content of OH group : min.47%
Heating decrement : max.0.5
Ash content: max.0.1
6.Properties:
Appearance: white crystalline powder
M.P.: 230-260oC
B.P.: 276oC
Relative Density: 1.395g/cm3
Refractive Index: 1.548
Solubility: 15oC 1g soluble in 18ml water. Soluble in ethanol, glycerin, glycol, methanamide. Insoluble in acetone, benzene, carbon tetrachloride, ether and petroleum ether etc.
7.Application: Pentaerythritol is used in the manufacture of Alkyd resins, fatty acid rosin and tall oil esters and to make paint and coatings, printing ink, coating adhesives, sealants, varnish, lacquer, vinyl chloride, synthetic rubber and miscellaneous

8.Specification

Re: Pentaerythritol 98%
Appearance: White crystal power or particles
Specification:
Content: 98%min
Hydroxyl value: 49% min
Heat Loss: 0.2% max
Ash: 0.05% max