Dimethylolbutyric Acid (DMBA)
Chemical Name: 2,2-Bis(hydroxymethyl)butanoic acid
Molecular Formula: C₆H₁₂O₄
CAS Number: 10097-02-6
An advanced trifunctional intermediate enabling next-generation waterborne resins. Facilitates solvent-free PUD synthesis with lower processing temperature and enhanced film resistance.
Technical Specifications
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Chemical Identity
| Chemical Name | 2,2-Bis(hydroxymethyl)butanoic acid |
| Synonyms | 2,2-Bis(hydroxymethyl)butanoic acid, DMBA, Dimethylolbutyric Acid |
| CAS Number | 10097-02-6 |
| EC Number | 424-090-1 |
| Molecular Formula | C₆H₁₂O₄ |
| Molecular Weight | 148.16 g/mol |
VUP Specifications (Standard Grade)
| Property | Specification |
|---|---|
| Appearance | White crystalline powder |
| Purity | min. 99.0 % wt |
| Acid Value | min. 375 mg KOH/g |
| Hydroxyl Value | min. 750 mg KOH/g |
| Water Content | max. 0.3 % wt |
| Ash Content | max. 0.03 % 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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Solvent-Free Formulation Enabler
Facilitates waterborne PUD synthesis with significantly reduced or eliminated organic solvents, lowering VOCs and improving workplace safety.
Lower Processing Temperature
Dissolves readily at lower temperatures compared to DMPA, simplifying melt processing and reducing energy consumption.
Enhanced Film Performance
Contributes to PUD films with superior water resistance and hydrolytic stability due to the ethyl side group structure.
High Purity
Supplied at 99% purity ensuring reliable performance in demanding applications including sensitive electronic coatings.
Excellent Hydrophilic Agent
Effectively incorporates carboxyl groups into polymer backbones ensuring stable water dispersibility after neutralization.
Versatile Intermediate
Suitable for advanced water-soluble alkyds, polyesters, adhesives, and biodegradable polymers requiring high performance.
Applications
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Solvent-Free PUDs
Enables synthesis of high-performance waterborne polyurethane dispersions without organic solvents for eco-friendly coatings.
Electronic Coatings
Used in waterborne conformal coatings for PCB protection offering enhanced water resistance and purity for demanding applications.
Leather Finishing
Applied in water-based polyurethane emulsions for durable leather topcoats in automotive, footwear, and upholstery applications.
High-Performance Coatings
Formulates waterborne systems requiring enhanced water resistance, hydrolytic stability, and low-VOC compliance.
Product Information & Technical Documents
Essential information and documentation for Dimethylolbutyric Acid (DMBA)
Product Identification
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Technical Documents
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Technical Data Sheet (TDS)
Complete technical specifications, physical properties, and application information for Dimethylolbutyric Acid (DMBA)
Safety Data Sheet (SDS)
Safety information, handling procedures, and regulatory details for Dimethylolbutyric Acid (DMBA)
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