Product name: Dibutyl Phthalate (DBP)
CAS No.: 84-74-2
IUPAC Name: Dibutyl benzene-1,2-dicarboxylate
Formula: C16H22O4
Molecular Weight: 278.34
EC No.: 201-557-4
Basic Introduction
Dibutyl phthalate (DBP) is a classic phthalate plasticizer, colorless transparent oily liquid, widely used for PVC, nitrocellulose, cellulose acetate, rubber and coatings to improve flexibility and processability.
⚠️ Important export reminder: DBP is listed in EU REACH SVHC Candidate List & Annex XVII, restricted in many regions for toys, childcare articles and cosmetics; California Prop 65 listed substance.
Chemphysical Properties
Appearance Colorless transparent oily liquid
Density (20℃) 1.044 ~ 1.048 g/cm³
Refractive Index (20℃) 1.489 ~ 1.492
Melting Point -35 ℃
Boiling Point 340 ℃Flash Point (closed cup) ≥160 ℃
Solubility Insoluble in water; miscible with ethanol, ether, benzene, hydrocarbon solvents
Odor Practically odorlessQuality Specification (Industrial Grade)
| Test Item | Standard |
|---|---|
| DBP Purity (GC) | ≥99.5% |
| Color (Pt-Co) | ≤20 |
| Acid Value (mgKOH/g) | ≤0.07 |
| Moisture | ≤0.10% |
| Flash Point | ≥160 ℃ |
Application & Use
- Primary plasticizer for nitrocellulose, PVC, cellulose acetate, alkyd resin and synthetic rubber
- Used in paints, adhesives, printing inks
- Also used as high-boiling solvent, gas chromatography stationary liquid
- Restricted use for food contact, kids products and cosmetic raw materials in most developed markets
Packing
200kg iron drum / 1000kg IBC tank
Storage & Transportation
Storage: Sealed, cool & ventilated warehouse, keep away from oxidants, heat and direct sunlight
Transport: Class 9 dangerous goods, UN3082
Shelf life: 12 months under proper storage
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