Diethyl phthalate DEP CAS 84-66-2

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Diethyl phthalate(DEP)

It can also be used as a plasticizer of alkyd resin, nitrile rubber and neoprene rubber. The intermediate of rodenticide diphtherine, rodenticide and chlororhamone is also an important solvent.
Used as analytical reagent, gas chromatographic fixative, solvent, plasticizer and lubricant of cellulose and ester; Used as plasticizer, solvent, lubricant, deodorant, foaming agent for flotation of non-ferrous or rare metal mines, gas chromatography fixing liquid, alcohol denaturant, spray insecticide.

Physical state
Liquid. Oily.
Colour
Colourless.
Odour
Practically odorless
Melting point/freezing point
-40.5 °C. Atm. press.:101.3 kPa.
Boiling point or initial boiling point and boiling range
295 °C. Atm. press.:101.3 kPa.
Flammability
Class IIIB Combustible Liquid: Fl.P. at or above 200°F.; however, ignition is difficult.
Lower and upper explosion limit/flammability limit
Lower flammable limit: 0.7% by volume at 368 deg F (186 deg C)
Flash point
162.7 °C. Atm. press.:101.3 kPa.
Auto-ignition temperature
457 °C. Atm. press.:1 013 hPa.
Kinematic viscosity
31.3 centistokes at 0 deg C
Solubility
less than 1 mg/mL at 66° F (NTP, 1992)
Partition coefficient n-octanol/water
log Pow = 2.47. Remarks:No data on temp and pH.
Vapour pressure
0 mm Hg. Temperature:25 °C.
Density and/or relative density
1.12 g/cm³. Temperature:25 °C.
Relative vapour density
7.66 (vs air)

 

Uses:

  1. Plastic Industry: DEP is commonly 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, synthetic leather, and electrical insulation.
  2. Personal Care Products: DEP is used in cosmetics, perfumes, and personal care products as a solvent and fixative. It helps to enhance fragrance stability and improve the texture of creams, lotions, and hair products.
  3. Adhesives and Sealants: DEP is utilized as a solvent and plasticizer in adhesives and sealants to improve their flexibility, adhesion, and durability.
  4. Insect Repellents: DEP can be found in insect repellents, acting as an active ingredient that deters insects and mosquitoes.

Key Features:

  1. Plasticizing Properties: DEP exhibits excellent plasticizing properties, enhancing the flexibility and softness of PVC and other polymers.
  2. Good Solvency: It has good solvency properties, making it an effective solvent for various organic substances.
  3. Low Volatility: DEP has relatively low volatility, contributing to the stability and longevity of the products in which it is used.
  4. Regulatory Compliance: Our DEP products comply with relevant industry standards and regulations, ensuring their safety and adherence to regulatory requirements.

For more information about our DEP products and their suitability for your specific needs, please don't hesitate to contact us. We are committed to providing high-quality products, competitive prices, and excellent customer service.

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Diethyl phthalate DEP CAS 84-66-2

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