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Chinese Name
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2,2-Dihydroxymethylbutanoic acid
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English name
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Dimethylolbutanoic Acid or Bis(hydroxymethyl)butyric Acid
Abbreviation: DMBA
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Structure
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molecular formula
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C6H12O4
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molecular weight
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148.16
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CAS number
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10097-02-6
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Physical properties
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This product is an odorless, free-flowing white crystal, easily soluble in water , methanol, acetone, etc.
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Quality Metrics
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Index
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Standard
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Appearance
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White crystal
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Content (%)
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≥99
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Water (%)
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≤0.3
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Melting Point (℃)
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108-116
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Ash (%)
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≤0.03
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Residue Formaldehyde (%)
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≤0.03
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Acid Value (mgKOH/g)
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374.7-378.2
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Hydroxyl Value (mgKOH/g)
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728-782
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Iron Fe3+ (PPM)
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≤5
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Sodium Na+ (PPM)
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≤150
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Potassium K+ (PPM)
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≤10
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Solvent Dissolution Test Acetone-Et3NSolube Experiment
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Clear and transparent Transparent
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Purpose
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DMBA is a group with both hydroxyl and carboxyl groups. A functionally hindered diol molecule with better solubility than DMPA in different solvents,
As a chain extender and hydrophilic agent, DMBA has been widely used in the production of water-based coatings, water-based adhesives, and water-based leather finishes in water-based polyurethane systems.
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Packaging
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25kg aluminum foil bag plus carton or according to user requirements.
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storage
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Requires airtight storage in a cool and dry place. When stacking, place a 10cm thick wooden board under it, and keep it 50cm away from the wall.
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Require airtight storage, store in a cool and dry place. When stacking, place a 10cm thick wooden board under it, and keep it 50cm away from the wall.
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