Product Details
| Product Name: 2,2-Bis(hydroxymethyl)butyric acid | CAS No.: 10097-02-6 |
| EC-No.: 424-090-1 | Min. Order: 25kg |
| Purity: i | Supply Ability: 40MT |
| Release date: 2025/11/03 |
Chemical Formula: C₆H₁₂O₄
Synonyms: Dimethylolbutyric acid, DMBA
Appearance: White crystalline powder
Key Properties:
Bifunctional structure (2 hydroxyl groups + 1 carboxyl group)
Water-soluble (freely soluble in H₂O, alcohols)
Thermal stability (decomposes >200°C)
Biodegradable (OECD 301 compliant)
1. Primary Industrial Applications
(1) Polyurethane (PU) Dispersions (PUDs)
Role: Internal emulsifier for waterborne PU dispersions
Mechanism: Carboxyl group enables self-dispersion in water; hydroxyl groups participate in polymerization
Advantages:
Improves colloidal stability of PUDs
Reduces VOC emissions vs. solvent-based PUs
Enhances film hardness + flexibility balance
End-Use Products:
Leather coatings
Automotive interior adhesives
Textile finishes
(2) Polyester & Alkyd Resins
Crosslinking Modifier: Introduces hydrophilicity for water-reducible resins
Applications:
Industrial baking enamels
Can/coil coatings
(3) Epoxy Curing Agents
Function: Carboxyl group reacts with epoxides to form ester linkages
Benefits:
Low-temperature cure capability
Improved impact resistance
2. Emerging & Niche Applications
(1) Biomedical Materials
Hydrogel Formulations:
pH-sensitive drug delivery systems
Wound dressings (controls moisture absorption)
Dendrimer Synthesis:
Core building block for polyester-amide dendrimers
(2) Personal Care
Skin Conditioning Agent:
Moisturizing creams (humectant properties)
pH adjuster in cosmetic formulations (pKa ~4.5)
(3) Electrolyte Additives
Lithium-Ion Batteries:
Improves SEI layer stability
Enhances cycle life at high voltages
3. Synthesis & Production
Industrial Route:
Butyraldehyde + Formaldehyde → 2,2-Bis(hydroxymethyl)butanal (via aldol condensation) Followed by oxidation → BHMB
Purity Grades:
Technical grade (95%): For polymer applications
Pharma grade (>99%): Biomedical uses
Company Profile Introduction
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