Dibutyl phthalate DBP CAS 84-74-2

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Dibutyl phthalate

This product is a plasticizer. Mainly used for polyvinyl chloride processing, which can give good softness to the products. The product is an excellent plastic of cellulose nitrate, strong gel ability. Used for nitrocellulose coatings, with good softening effect. The product can also be used to manufacture paint, adhesive, artificial leather, printing ink, safety glass, celluloid, dye, insecticide, spice solvent, fabric lubricant and so on.

Physical state
Colorless to faint yellow
Slight, aromatic odor
Melting point/freezing point
Boiling point or initial boiling point and boiling range
Class IIIB Combustible Liquid: Fl.P. at or above 200°F.
Lower and upper explosion limit/flammability limit
Lower flammable limit: 0.5% by volume at 456 deg F (235 deg C)
Flash point
Auto-ignition temperature
Kinematic viscosity
0.203 poise at 20 deg C
less than 1 mg/mL at 68° F (NTP, 1992)
Partition coefficient n-octanol/water
log Kow = 4.50
Vapour pressure
1 mm Hg ( 147 °C)
Density and/or relative density
1.043g/mLat 25°C(lit.)
Relative vapour density
9.6 (vs air)



  1. Plastic Industry: DBP is primarily used as a plasticizer in the production of flexible polyvinyl chloride (PVC) products. It imparts flexibility and improves the workability of PVC materials, making them suitable for applications such as vinyl flooring, cables, and hoses.
  2. Adhesives and Sealants: DBP is used as a plasticizer in adhesives and sealants to enhance their flexibility, adhesion, and durability.
  3. Coatings and Paints: It can be added to coatings and paints to improve their film-forming properties, adhesion, and flexibility.
  4. Personal Care Products: DBP is used in some personal care products, such as cosmetics and perfumes, as a solvent and fixative.

Key Features:

  1. Plasticizing Properties: DBP exhibits excellent plasticizing properties, effectively increasing the flexibility and softness of PVC and other polymers.
  2. Low Volatility: It has relatively low volatility, contributing to the stability and longevity of products.
  3. Good Compatibility: DBP is compatible with various polymers, making it versatile and suitable for different applications.
  4. Thermal Stability: It offers good thermal stability, ensuring that plasticized materials maintain their properties under high-temperature conditions.
  5. Regulatory Compliance: Our DBP products meet relevant industry standards and regulations, ensuring their safety and compliance with regulatory requirements.

For more information about our DBP products and their suitability for your specific needs, please feel free to contact us. We are dedicated to providing high-quality products, competitive prices, and exceptional customer service.

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Dibutyl phthalate DBP CAS 84-74-2