Micronized Pentaerythritol
Micronized technical pentaerythritol
Technical name:
Pentaerythritol technical micronized
Mark of product:
- High grade
- First grade
Synonyms:
Tetrahydroxyneopentane, tetramethylolmethane, tetraoxymethylmethane
CAS no:
115-77-5
EC no:
204-104-9
REACH registration number:
01-2119473985-20-0003
Chemical formula:
C5H12O4
Manufacture:
Pentaerythritol production started in Gubakha in 1982 and is currently operated by PJSC “Metafrax”. Micronized technical pentaerythritol is produced from technical pentaerythritol by
milling up to required particles distribution.
Physical and chemical properties
| Indicator |
Norm for grade |
|
|---|---|---|
|
High grade |
First grade |
|
|
1. Appearance |
White crystalline powder | |
|
2. Mass fraction of monopentaerythritol, %, min |
98,0 | 95,0 |
|
3. Melting temperature, °C, min |
258 |
245 |
|
4. Mass fraction of water and volatile products, % max |
0,1 | 0,2 |
|
5. Mass fraction of ash, %, max |
0,0015 | 0,01 |
|
6. Chromaticity of fusion cake by Pt-Co scale, max |
100 |
200 |
| 7. Mass fraction of hydroxyl groups, % |
49,7-50,0 |
49,4-50,0 |
| 8. Mass fraction of residue after sieving with the screen size 0,04 mm., %, max |
1* |
1* |
| 9. pH of water solution with mass fraction 5% |
5,0-7,0 |
5,0-7,0 |
| * smaller particle size can be available upon request. | ||
Application
Micronized technical pentaerythritol is used for production of fire-retardant intumescent paints and coatings, pentaphthalic lacquers, PVC stabilizers (plasticizers), printing inks, synthetic lubricants and alkyd resins.
Data on Product
Reference values:
Boiling temperature – 410 ºC subliming
Flammable substance. Dust is fire-hazardous.
Ignition temperature – 270 ºC,
Self-ignition temperature – 435 ºC
Product is moderately hazardous by the level of exposure on human organism.
Safety precautions
Keep away from ignition sources, sparks and open flame, no smoking, use of gloves is required. Use explosion-proof equipment and lighting. Keep away from static electricity. Avoid dust inhalation. Do not take dirty working clothes away from a workplace. Extinguish with sprayed water with penetrating agents, aerosol compositions. Upon contact with skin - rinse with a lot of water and soap.
Package
Multilayer moisture-proof paper bags net mass 25 kg
Applied means of transport
Micronized technical pentaerythritol is transported by all means of roofed transport according to the general rules of cargo transportation.
Classification of hazardous cargo: (acc. to UN recommendations for hazard cargo transportation)
Micronized technical pentaerythritol is non-hazardous cargo and it is not classified by UN recommendations.
Conditions and duration of safe storage
Micronized technical pentaerythritol is stored in closed dry warehouses with relative humidity of max 60%, protected from direct sunlight, on pallets at a distance of min 5 cm from the floor
and min 1 m from heating devices. It is not recommended to unit loads on top of each other.
Storage period of micronized technical pentaerythritol shall not exceed 1 year from the date of manufacturing.
