1. Overview of Pentaerythritol

Pentaerythritol is a commonly used polyol in industries such as resins, coatings and synthetic lubricants. In actual formulation and production work, it is valued not only for its chemical structure, but also for the way it performs in long-term use, especially in terms of stability, reactivity and durability. For manufacturers producing alkyd resins, polyesters, lubricant esters or PVC additives, pentaerythritol is often treated as a key formulation component rather than a simple bulk raw material.

SNOWHITE CHEMICAL CO., LTD supplies pentaerythritol for both standard industrial applications and more demanding performance-oriented uses. Grade selection is typically based on downstream processing conditions, product appearance requirements and final application performance.

Basic Chemical Information

•  Chemical Name: Pentaerythritol
•  Molecular Formula: C₅H₁₂O₄
•  Molecular Weight: 136.15 g/mol
•  CAS No.: 115-77-5
•  HS Code: 29054200
•  UN No.: Not classified as dangerous goods

As a non-hazardous and widely traded chemical, pentaerythritol can be shipped under normal international logistics conditions. SNOWHITE CHEMICAL CO., LTD provides complete documentation to support global deliveries.

1.1 Physical & Chemical Characteristics

Pentaerythritol supplied by SNOWHITE CHEMICAL CO., LTD typically shows the following characteristics:

•  White crystalline powder or granules
•  High purity with low ash and low moisture content
•  Good thermal resistance under processing conditions
•  High reactivity resulting from its tetra-functional hydroxyl structure
•  Stable behavior during esterification reactions
•  Good compatibility with commonly used organic solvents

These features make pentaerythritol a reliable raw material for resin synthesis and synthetic lubricant ester production.

1.2 Structural Behavior & Mechanism

The molecular structure of pentaerythritol contains four primary hydroxyl groups. This allows it to form highly branched polymer structures and dense crosslinked networks during reactions such as esterification.

From a formulation perspective, this structural behavior translates into measurable performance benefits in a range of downstream applications.

Key structural benefits include:

•  Improved hardness and strength of coating films
•  Better resistance to chemicals and outdoor weathering
•  Enhanced oxidation stability in synthetic lubricants
•  Strong binding performance in stabilizer and energetic material systems
•  Improved adhesion in resin-based formulations

1.2.1 Functional Advantages in Different Applications

Resins:
In resin formulations, pentaerythritol contributes to higher molecular branching, which helps improve hardness, gloss retention, drying behavior and overall durability of the finished product.

Synthetic Lubricants (Neopentyl Polyol Esters):
Pentaerythritol-based esters are widely used where high-temperature stability and oxidation resistance are required, such as in aviation and industrial lubricants.

Explosives (PETN Production):
Pentaerythritol serves as the core polyol in the production of PETN, offering controlled and predictable reactivity during nitration.

PVC Stabilizers:
It is used as an intermediate or component in stabilizer systems to improve thermal stability and extend the service life of PVC products.

Coatings and Paint Systems:
In coating formulations, pentaerythritol helps improve film flexibility, scratch resistance and surface appearance.

SNOWHITE CHEMICAL CO., LTD works closely with customers to match the appropriate grade of pentaerythritol to specific performance requirements.

2. Major Applications of Pentaerythritol

2.1 Resin & Coating Applications

Pentaerythritol is widely applied in the production of:

•  Alkyd resins
•  Polyester resins
•  Rosin-modified resins
•  Waterborne coating additives
•  Automotive and industrial paints

Its multi-functional structure helps improve film formation, adhesion, hardness and resistance to weathering in coating systems.

2.2 Lubricant Ester Manufacturing

In the lubricant industry, pentaerythritol is a key raw material for:

•  Polyol ester (POE) lubricants
•  High-temperature synthetic aviation lubricants
•  Refrigeration compressor oils

Lubricants based on pentaerythritol esters typically show:

•  Low volatility
•  Strong oxidation resistance
•  Good viscosity stability over a wide temperature range

SNOWHITE CHEMICAL CO., LTD supplies pentaerythritol with consistent quality to lubricant manufacturers worldwide.

2.3 Explosives & Energetic Materials

Pentaerythritol is used in the manufacture of:

PETN (Pentaerythritol Tetranitrate)

PETN is known for its high detonation efficiency and controlled reaction behavior, making product consistency especially important.

2.4 PVC & Polymer Stabilizers

In polymer applications, pentaerythritol acts as an intermediate in the production of:

•  Pentaerythritol esters
•  Organotin stabilizers
•  Antioxidant additives

These applications help improve polymer stability during high-temperature processing.

3. Product Grades & Specifications by SNOWHITE CHEMICAL CO., LTD

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SNOWHITE CHEMICAL CO., LTD currently supplies two main commercial grades of pentaerythritol.

3.1 Pentaerythritol 95% (Mono + Di)

Typical Industrial COA

Typical applications include:

 Coatings

 PVC stabilizers

 Lubricant esters

 Plastic additives

3.2 Pentaerythritol 98% (High Mono Grade)

Typical High-Purity COA

Typical applications include:

•  High-grade alkyd resins
•  Polyol ester lubricants
•  Sensitive electronic chemicals
•  Low-color industrial formulations

4. Packaging & Storage

4.1 Packaging Options

•  25 kg bags
•  500 kg or 1000 kg jumbo bags
•  Customized palletizing options
•  Moisture-proof lining for export shipments

4.2 Storage Recommendations

•  Store in a cool, dry and well-ventilated area
•  Avoid exposure to moisture and heat
•  Keep packaging sealed after opening
•  Maintain low humidity during handling

Under normal warehouse conditions, pentaerythritol remains stable during storage.

5. Global Supply Strength of SNOWHITE CHEMICAL CO., LTD

SNOWHITE CHEMICAL CO., LTD provides stable supply and technical support for pentaerythritol, including:

•  Reliable production capacity
•  ISO-based quality control systems
•  COA, SDS and third-party inspection support
•  Grade selection and application guidance
•  Long-term cooperation with global resin, coating, lubricant and PVC manufacturers

With consistent quality and export experience, SNOWHITE CHEMICAL CO., LTD is recognized by customers as a dependable supplier of pentaerythritol.