3-Hydroxypivalic Acid (HPVA)
Chemical Name: 3-Hydroxy-2,2-dimethylpropanoic acid
Molecular Formula: C₅H₁₀O₃
CAS Number: 4835-90-9
A unique hydroxy acid featuring a neopentyl structure, essential for synthesizing high-performance polyesters and esters with exceptional hydrolytic stability, thermal stability, and weather resistance.
Technical Specifications
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Chemical Identity
| Chemical Name | 3-Hydroxy-2,2-dimethylpropanoic acid |
| Synonyms | Hydroxypivalic Acid, HPVA, 2,2-Dimethyl-3-hydroxypropionic acid |
| CAS Number | 4835-90-9 |
| EC Number | 225-419-8 |
| Molecular Formula | C₅H₁₀O₃ |
| Molecular Weight | 118.13 g/mol |
VUP Specifications (Standard Grade)
| Property | Specification |
|---|---|
| Appearance | White crystalline powder/solid |
| Purity | min. 98.0 % wt |
Note: Specifications that are provided above are typical values and should not be considered as guaranteed analysis.
Key Features & Benefits
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Exceptional Stability
The neopentyl structure imparts outstanding hydrolytic stability, thermal stability, chemical resistance, and weather resistance to derived polymers.
Durable Polymer Building Block
Serves as a key monomer for producing high-performance polyester resins in applications demanding long-term durability.
Versatile Ester Intermediate
Readily undergoes esterification to produce valuable derivatives like HPN or esters for synthetic lubricants.
High Purity
VUP provides HPVA with minimum 98% purity, ensuring consistent reactivity and performance in sensitive synthesis processes.
Modifier Potential
Can be used as a co-monomer or modifier in polyurethane or other polymer systems where enhanced stability is desired.
Applications
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Polyester Resins for Coatings
Key building block for high-performance polyester resins used in durable powder coatings and coil coatings with excellent weatherability and chemical resistance.
Ester Synthesis (HPN)
Used to produce neopentyl glycol hydroxypivalate (HPN), an important diol modifier for coating resins and adhesives.
Synthetic Lubricants
Raw material for specialty esters in high-temperature synthetic lubricant formulations, providing thermal and hydrolytic stability.
Chemical Intermediate
Used in synthesis pathways for pharmaceuticals, agrochemicals, or specialty chemicals requiring its unique neopentyl structure.
Polyurethane Modification
Incorporated as a co-monomer or modifier to enhance the stability of polyurethane systems in demanding applications.
Product Information & Technical Documents
Essential information and documentation for 3-Hydroxypivalic Acid (HPVA)
Product Identification
Key product details and identifiers
Technical Documents
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Technical Data Sheet (TDS)
Complete technical specifications, physical properties, and application information for 3-Hydroxypivalic Acid (HPVA)
Safety Data Sheet (SDS)
Safety information, handling procedures, and regulatory details for 3-Hydroxypivalic Acid (HPVA)
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Frequently Asked Questions
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