Dibutyl phthalate (DBP, CAS 84-74-2) is a colourless oily primary plasticizer with mild aromatic odour. It shows good compatibility with PVC, nitrocellulose and cellulose resins, widely used in coatings, printing inks, artificial leather and rubber softening. TNJ Chemical is the leading manufacturer and exporter since from 2001. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To find more, please contact sales@tnjchem.com
Product Information
Chemical Name: Dibutyl phthalate
Synonyms: DBP, Di-n-butyl phthalate, 1,2-Benzenedicarboxylic acid dibutyl ester
CAS No.: 84-74-2EINECS: 201-557-4
Molecular Formula: C₁₆H₂₂O₄
Molecular Weight: 278.34
Grade: Industrial plasticizer grade
Purity: ≥99.5%
Chemphysical Properties
Appearance: Colourless transparent oily liquid
Odour: Slight characteristic aromatic smell
Density (20℃): 1.044–1.048 g/cm³Melting point: -67.2 ℃
Boiling point: 340 ℃
Flash point: ≥160 ℃
Solubility: Insoluble in water; miscible with alcohol, ether, benzene and most organic solvents
Quality Specification
| Item | Specification |
|---|---|
| Assay | ≥99.5% |
| Colour (Pt-Co) | ≤20 |
| Moisture | ≤0.10% |
| Acidity (as phthalic acid) | ≤0.07% |
| Density (20℃) | 1.044–1.048 g/cm³ |
Use & Application
Primary plasticizer for PVC, nitrocellulose, ethyl cellulose
Raw material for paints, coatings, printing inks and adhesives
Softener for rubber, artificial leather and film products
Solvent for pesticide and dye formulations
Packing
200kg iron drum, IBC 1000L tank.
Delivery & Storage
Storage: Keep sealed, cool and ventilated warehouse, away from fire and oxidants.
Transport: Avoid sunshine and high temperature.
Shelf life: 24 months under proper storage.



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