Metadynea International Metadynea Austria Metadynea Russia
Products - Pentaerythritol


Technical name:
Pentaerythritol technical

Mark of product:
- Grade А, high grade (mono)
- Grade А, first grade (tech)
- Grade B (nitration)

Tetrahydroxyneopentane, tetramethylolmethane, tetraoxymethylmethane

CAS no:

ЕС no:

REACH registration number:

Chemical formula:

Pentaerythritol production started in Gubakha in 1982 and is currently operated by PJSC “Metafrax”.

Product Features

Norm for grades
Norm for grade Norm for grade
  High grade
First grade
1. Appearance White crystalline powder White crystalline powder White crystalline powder
2. Mass fraction of monopentaerythritol, %, min 98,0 95,0 98,5
3. Melting temperature, °С, min 258 245 259
4. Mass fraction of water and volatile products, % max 0,1 0,2 0,1
5. Mass fraction of ash, %, max 0,0015 0,01 0,0015
6. Chromaticity of fusion cake by Pt-Co scale, max 100 200 100
7. Mass fraction of  hydroxyl groups, % 49,7-50,0 49,4-50,0 49,8-50,0
8. Mass fraction of product passing through sieve 01K, %, max 13 not defined
9. рН of water solution with mass fraction 5% 5,0-7,0 5,0-7,0 5,0-7,0



  1. Paint-and-varnish industry: Used for polyether production, synthesis of alkyd varnishes, printing inks production, as part of polyurethane paints, fire-resistant materials production
  2. Production of polymers: Used for production of pentaplast, plasticizers, stabilizers and antioxidants
  3. Production of synthetic lubricating oil: Basic component for production of lubricating oils
  4. Production of explosives: Raw material for production of explosives - pentaerythritol tetranitrate
  5. Other industries: Used for nitration, synthesis of surface active agents

Data on Product

Reference values:
- Boiling temperature - 410 ºС;
- Density at 20 ºС - 1,38 – 1,4 g/cm3;
- Solubility in water at 20 ºС – 55,6 g/l

Combustible material. Dust sediment is fire-hazardous.

Ignition temperature – 270 ºС,

Self-ignition temperature – 435 ºС

Product is moderately hazardous by the level of exposure on human organism.


  • Polypropylene bags with polyethylene liner with net weight of 25 kg;
  • Specialized soft containers (big bags) with net weight of 500–1000 kg

Applied means of transport

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 hazardous cargo transportation)

Pentaerythritol is not a hazardous cargo and it is not classified by UN recommendations.

Conditions and duration of safe storage

Pentaerythritol is stored in closed warehouse with good ventilation protecting the material against atmospheric precipitation. Product should be stored on pallets positioned above the floor not less than 5 cm and from heaters not less than 1 m. Storage period shall not exceed 2 years from the date of manufacturing.

 Technical Data Sheet in PDF

 Safety Data Sheet in PDF

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Metadynea Trading has been renamed to Metafrax Trading International SA and  changed its office address


April 12th 2019

Metadynea Trading has been renamed to Metafrax Trading International SA and  changed its office address.

Our company has changed the name to Metafrax Trading International SA and office address to Via Balestra 3/5, 6900 Lugano, Switzerland.

Our new office phone number is +41 91 9115370.

We are working on our new website design and will inform once it's going online.


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