Dioctyl Phthalate

Other Trading Names:

  • DOP

CAS Number: 117-84-0

HS Code: 29173200

Types of Packaging:

  • 200kg/drum
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Dioctyl Phthalate

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Colorless Clear

Color, Pt-Co

≤ 30


≥ 99.5 %

Density at 20℃

0.982 - 0.988 g/cm³

Acid Value (by phthalic acid)

≤ 0.01 %

Flash point

≥ 196 ℃

Moisture Content

≤ 0.1 %

Volume resistivity

≥ 1.0

Chemical Description

  • Dioctyl phthalate (DOP) is a colorless, odorless, oily liquid commonly used as a plasticizer.
  • The chemical formula of Dioctyl phthalate is C24H38O4.
  • It is an ester of phthalic acid and 2-ethylhexanol.
  • The molecular weight of Dioctyl phthalate is 390.56 g/mol.
  • Its IUPAC name is Bis(2-ethylhexyl) phthalate.
  • Dioctyl phthalate has a boiling point of 386°C (727°F).
  • The melting point of Dioctyl phthalate is −50°C (−58°F).
  • It has a density of approximately 0.98 g/cm³ at 20°C.
  • Dioctyl phthalate is insoluble in water but soluble in organic solvents such as ethanol, ether, and benzene.
  • This compound is used primarily as a plasticizer for polyvinyl chloride (PVC) to enhance its flexibility and durability.
  • It is also utilized in the manufacturing of flooring, wall coverings, cables, and automotive interiors.
  • Dioctyl phthalate is added to paints, lacquers, and varnishes to improve their spreadability and resistance to wear.
  • It is used in the production of adhesives and sealants to provide flexibility.
  • The compound finds applications in the medical industry for making blood bags, IV tubes, and other flexible medical devices.
  • Dioctyl phthalate has been used in personal care products, such as nail polish, to increase the durability and flexibility of the product.
  • Its use in consumer products has raised health concerns due to potential leaching and exposure.
  • Dioctyl phthalate is known to be an endocrine disruptor, potentially affecting hormonal balance in humans and wildlife.
  • It has been classified as a probable human carcinogen by several health organizations.
  • Regulations on Dioctyl phthalate use have been implemented in various countries to limit exposure and protect health.
  • Alternative plasticizers, such as diisononyl phthalate (DINP) and diisodecyl phthalate (DIDP), are being explored and used as substitutes.
  • The environmental impact of Dioctyl phthalate is significant due to its persistence and potential bioaccumulation.
  • Research is ongoing to develop safer and more environmentally friendly plasticizers for industrial applications.
  • Proper handling and disposal of Dioctyl phthalate are crucial to minimize environmental contamination.
  • Safety measures include using personal protective equipment (PPE) when handling the chemical to prevent skin contact and inhalation.
  • Workers in industries using Dioctyl phthalate should follow guidelines and regulations to ensure occupational safety.
  • Despite its widespread use, the push towards sustainable and safer alternatives continues to grow.
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Dioctyl Phthalate