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Pentaerythritol

CAS No.
115-77-5
Synonyms
pentaerythritol, pentek, 2,2-bis hydroxymethyl propane-1,3-diol, tetramethylolmethane, monopentaerythritol, auxinutril, maxinutril, monopentek, pentaerythrite, penetek
Certificates
ISO 9001:2015
ISO14001:2015

Pentaerythritol is polyol organic compounds. Its chemical formula is C5H12O4. It typically appears as white crystalline powder. It is soluble in water, slightly soluble in alcohol and formamide, but insoluble in benzene, carbon tetrachloride, ether, acetone and petroleum ether. Pentaerythritol is used in manufacture of Alkyd resins, fatty acid rosin and tall oil esters and to make paint and coatings, printing ink, coating adhesives, explosives, sealants, varnish, lacquer, vinyl chloride, synthetic rubber and miscellaneous including pentaerythritol tetranitrate (PETN), urethane coatings, flame retardant paints, polyvinyl chloride stabilizers, olefins antioxidant and pentaerythritol triacrylate.

Application Structural Identifiers Specification Packing FAQ

Physical State	White Crystalline Powder
Solubility	Solubility in water, slightly soluble in alcohol and formamide
Insolubility	Insoluble in benzene, carbon tetrachloride, ether,, acetone and petroleum ether
Coatings	Production of alkyd resin, synthesis of advanced lubricants, plasticizers, surfactants.
Compatibility	Incompatible with strong acids, strong oxidizing agents, acid chlorides, acid anhydrides.

Application

Coating industry

It can be used to make alkyd resin coatings, which can improve the hardness, gloss and durability of coating films. It also uses raw materials for rosin, such as coloring paints, varnishes and printing inks, and can produce drying oils, smolder coatings and aviation lubricants.

Explosives

Pentaerythritol contains four equal hydroxymethyl groups in the molecule, which has a high degree of symmetry, so it is often used as a raw material for the preparation of multifunctional compounds.

Fire retardant

A flame retardant used as a adhesive, and an expansive flame retardant can be obtained by combining with ammonium polyphosphate.

Structural Identifiers

Linear Formula	C₅H₁₂O₄
CAS No.	115-77-5
MDL Number	MFCD00004692
EINECS No.	204-104-9
Beilstein/Reaxys No.	01,528
Pubchem CID	8285
IUPAC Name	2,2-bis(hydroxymethyl)propane-1,3-diol
SMILES	C(C(CO)(CO)CO)O
InChI Identifier	InChI=1S/C5H12O4/c6-1-5(2-7,3-8)4-9/h6-9H,1-4H2
InChI Key	WXZMFSXDPGVJKK-UHFFFAOYSA-N
UN NO.	Not dangerous goods
Pentaerythritol Synonyms	pentaerythritol, pentek, 2,2-bis hydroxymethyl propane-1,3-diol, tetramethylolmethane, monopentaerythritol, auxinutril, maxinutril, monopentek, pentaerythrite, penetek
Grades	Industrial grade
Groups	Polyol organic compounds, Coating adhesives, Explosives, Sealants, Lubricants, Plasticizers, Surfactants, Pharmaceuticals
MARKETS	Coatings, Explosives, Plastics, Medicine

Specification

Appearance	White soild
Mono Pentaerythritol	≥98%
Hydroxyl value	≥48.5%
Heating loss	≤0.2%
Ash	≤0.05%
Phthalic color (Fe, Co, Cu)	≤1

Appearance	White crystallized powder
Mono Pentaerythritol	≥95%
Hydroxyl value	≥47.5%
Moisture	≤0.5%
Ash	≤0.1%
Phthalic color (Fe, Co, Cu)	≤2
Melting point	≥250℃

Packing

25kg bag or 500kg big bag;

Can be customized according to customer requirements and applications.

FAQ

Q1: What is the storage and transportation method of pentaerythritol?

A: It should be stored in a cool, ventilated warehouse. Keep away from fire and heat. It is incompatible with strong acids, strong oxidizing agents, acid chlorides, acid anhydrides，and should not be mixed. When the concentration of pentaerythritol dust in the air reaches more than 30g/m3, it can form an explosive mixture with the air, and explosion occurs when it exceeds 400℃. Therefore, it should be stored in a cool, dry and ventilated place, moisture-proof and fire-proof. Storage and transportation in accordance with general chemical regulations.

Q2: What is the stability of pentaerythritol？

A: It does not decompose at normal temperature and pressure, and avoids contact with strong oxidants, strong acids, acyl chlorine and acid anhydrides. The hydroxy group in pentaerythritol can undergo esterification, nitration, halogenation, etherification and oxidation. Form complexes with metals.

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