| Item |
First Grade |
Top Grade |
| Dipentaerythritol Content,%,≥ |
85% |
90% |
| Monopentaerythritol Content, %, ≤ |
5 |
3 |
| Tripentaerythritol Content,%, ≤ |
8 |
7 |
| Ash Content,%, ≤ |
1.0 |
0.05 |
| Heating Loss, %, ≤ |
1.0 |
1.0 |
| Hydroxyl Group, % |
37-40 |
38-40 |
| Color |
2 |
2 |
| Melting Point,ºC |
205-210 |
205-210 |
Di pentaerythritol
Molecular Formula C10H22O7
Molecular Weight 254.28
Dipentaerythritol Content,%,≥ 90
Monopentaerythritol Content, %, ≤ 1
Tripentaerythritol Content,%, ≤ 1
Ash Content,%, ≤ 0.05
Heating Loss, %, ≤ 1.0
Hydroxyl Group, % 38-40
Staining Degree 2
Melting Point ºC 220
Application A To be used as raw materials of alkyd resin, rosin esters, PVC stabilizer and plasticizers; synthetic lubricants; Acrylic monomers for Uvcuring systems.
Audited Supplier 
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