Pentaerythritol

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.

Storage:
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.

Items

Specification    

Mono-PE wt.% min

86
90
95
98

Hydroxyl wt.% min 

46.0
47.0
47.5
48.5

Moisture wt.% max 

0.5
0.5
0.5
0.2

Ash wt.% max

0.1
0.1
0.1
0.05

PhthalicColor ((Fe,Co,Cu) max

4
2
2
1

Appearance 

White Crystalline Powder 

Dipentaerythritol

Product Name: Dipentaerythritol
CAS NO: 126-58-9
HS Code: 29054200
Molecular Formula: C10H22O7
Appearance: White powder

Use: In the production of polyether, polyester, polyurethanes, alkyd resins and photosensitive resin films etc.

Items

Specification

Di-PE wt.% min. 

85.0 

90.0

95.0

Mono-PE wt. % max. 

4.0 

3.0
2.0

Tri-PE wt. % max. 

10.0 

7.0
4.0

Hydroxyl group wt.% . 

38.0-40.0 

38.0-40.0 

39.5-40.5

Moisture wt. % max.

1.0 

1.0 

1.0

Ash wt. % max. 

0.1 

0.1 

0.1

Phthalic Color max. 

3

3

2

Appearance 

White  Powder 


Tripentaerythritol

Quality index: It is white crystalline or powder

Usage: It has similar function as dipentaerythritol.but perform better in the use for acrylic resins,fire-retardant coating,senior aviation lubricant,plastic additive and polymer modified materials.

item

specification

70
60

Tri-PE wt. % min.

70
60

Mono-PE wt. % max.

10.0
12.0

Di-PE wt.% max.

17.0
12.0

Hydroxyl group% min.

33.0
33.0

Ash wt. % max.

3.0
3.5

Moisture% max.

1.0
1.5

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