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Dimethylolbutanoic Acid (DMBA)


2,2-Bis(hydroxymethyl)butyric acid; Bis-MBA;
alpha-Bis(hydroxymethyl)butyric acid;
2,2-dimethylolbutyric acid; DMBA

Technical Data

CAS No: 10097-02-6
EC Number: 424-090-1
Molecular Formula: C6H12O4
Molecular Weight: 148.16

FabriChem Specifications

AppearanceWhite crystalline powderWhite crystalline powder
Assay99% wt. Min.99% wt. Min.
Acid value371 – 382 mg KOH/g374 mg KOH/g Min.
Hydroxyl value742 – 764 mg KOH/g728 mg KOH/g Min.
Melting point107°C – 115°C107°C – 115°C
Water content0.3% Max0.3% Max
Ash content0.03% Max0.03% Max
Na+ content75 ppm Max.10 ppm Max.

Molecular Structure



Available Grades:

• Regular: Standard grade Dimethylolbutanoic Acid
• Low Sodium: Ideal for applications requiring insulation (i.e. insulated films & coatings)

Applications for Dimethylolbutanoic Acid include the following:

• Polyurethane dispersions
• Water soluble alkyds and polyester resins
• Coatings
• Printing inks
• Chemical intermediates