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Diethyl phthalate

CAS NUMBER - 84-66-2
Basic Information
Product Specification
About Product
Diethyl phthalate (DEP) is an ester derived from phthalic acid, containing two ethyl groups attached to the phthalate backbone. that belongs to the family of phthalate esters. It is a clear and colorless liquid with a faint, sweet odor. DEP is soluble in most organic solvents but has limited solubility in water. DEP is versatile and finds application in various industrial and commercial products.

Product Specification

SYNONYMS

DEP

MOLECULAR WEIGHT

222.24 g/mol

CAS NUMBER

84-66-2

CHEMICAL FORMULA

C12H14O4

HS CODE

29173990

DENSITY

1.12 g/cm3

MELTING POINT

−4 °C

BOILING POINT

295 °C

VISCOSITY

-

SHELF LIFE

-

TYPICAL PROPERTIES

-

APPEARANCE

Colourless, oily liquid

Chemical Name

Diethyl phthalate

Industry

C.A.S.E.

Application of Diethyl phthalate

  1. Plasticizer: DEP is widely used as a plasticizer in the production of cellulose acetate and other plastics. It imparts flexibility and durability to these materials.
  2. Perfume and Fragrance Industry: DEP is utilized in the perfume and fragrance industry as a solvent for fragrance oils. It helps in the even distribution of scents in various products.
  3. Personal Care Products: DEP is also found in personal care products such as cosmetics, toiletries, and lotions, DEP serves as a solvent and fixative for fragrances.
  4. Insect Repellents: It is used in the formulation of insect repellents and mosquito coils.
  5. Adhesives and Sealants: DEP is incorporated into adhesives and sealants to improve their properties, such as flexibility.

About Product

Diethyl phthalate (DEP) is a clear, colorless liquid that stands out for its versatility and stability. This substance is part of the phthalate family, known for its exceptional properties that make it an important material in various formulations. With a molecular weight of 278.3 g/mol and a boiling point of 295°C, it possesses characteristics that lend themselves to both reliability and effectiveness.


One of the defining features of Diethyl phthalate is its low volatility, which translates to better performance in environments where evaporation could pose a challenge. This stability ensures that products formulated with DEP maintain their integrity over time, providing consistent results whether used in industrial or laboratory settings.


The chemical structure of Diethyl phthalate includes two ethyl groups attached to a phthalate backbone, contributing to its unique properties. It boasts excellent solubility in organic solvents while remaining insoluble in water. This property allows DEP to act as an effective plasticizer and solvent, facilitating the incorporation of other materials without compromising their performance.


Furthermore, Diethyl phthalate has a relatively high flash point, making it a safer alternative compared to other solvents with lower flash points. This characteristic not only enhances safety during handling but also minimizes risks associated with storage and transport.


Another significant aspect is its compatibility with various polymers and resins. This compatibility leads to improved flexibility and durability in applications that require long-lasting performance without degradation over time. As such, products containing DEP often demonstrate enhanced workability under various conditions.


Diethyl phthalate is recognized for its low toxicity levels when properly handled, making it suitable for different formulations where safety is paramount. Its chemical stability ensures minimal interaction with other components, allowing formulators greater control over product characteristics without the worry of unexpected reactions.


Diethyl Phthalate from Elchemy is an exceptional compound that combines safety, stability, and versatility. Whether you are looking for improved flexibility in your formulations or seeking an environmentally friendly solution, this product delivers on all fronts.


Features of Diethyl phthalate

  • Dense Liquid: Density of 1.12 g/cm³ at 20°C, sinks in water.

  • Low Volatility: Vapor pressure of 0.002 mmHg at 25°C.

  • Chemical Stability: Reliable stability under normal conditions.

  • Effective Plasticizer: Enhances flexibility in various polymers.

  • Low Viscosity: Ensures ease of use in chemical processes.

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Product FAQs

What is the main function of Diethyl Phthalate in plastics?

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