Diisooctyl sebacate (bis(2-ethylhexyl) sebacate), often abbreviated as DIOS, is a synthetic compound primarily used as a plasticiser. It belongs to the family of dialkyl esters of sebacic acid. As a plasticiser, DIOS is commonly added to polymers and resins to improve their flexibility, durability, and processability.

Photo of Diisooctyl Sebacate (BIS(2-ethylhexyl) sebacate)
CAS Number: 122-62-3
UN Number: None
Hazard Class: None
Packing Group: None
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It is known for its excellent low-temperature performance and resistance to high temperatures, making it suitable for various applications, including the production of flexible PVC products, such as cables, wires, automotive parts, and medical devices.

Additionally, DIOS is used in industries like cosmetics, pharmaceuticals, and personal care products as an emollient and solvent due to its moisturising properties and low toxicity.

Physical properties of Diisooctyl Sebacate (BIS(2-ethylhexyl) sebacate)

Physical State: Liquid
Appearance: Colourless, light yellow
Odor: Slight
Odor Threshold: No information available
pH: No information available
Melting Point / Range: No information available
Boiling Point / Range: >300°C
Molecular Formula: No information available
Molecular Weight: No information available
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Safety information for Diisooctyl Sebacate

It's recommended to consult the specific Safety Data Sheet (SDS) for accurate and up-to-date information for a particular product.

Classification according to Regulation (EC) No 204-558-8

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FAQs

Diisooctyl sebacate, also known as bis(2-ethylhexyl) sebacate, finds widespread use as a plasticiser in various industrial applications. Its primary role lies in enhancing the flexibility and durability of plastics and polymers. This property makes it a valuable ingredient in the production of a range of products, including vinyl gloves, food packaging materials, medical devices, and automotive parts.

By adding diisooctyl sebacate to these materials, manufacturers can improve their performance characteristics, making them more resilient and adaptable for their intended uses.

Diisooctyl sebacate does not have specific hazard classifications available. However, as with handling any chemical substance, it is essential to take proper precautions to ensure safety.

This includes implementing measures to prevent direct skin contact, such as wearing appropriate protective gloves and clothing. In case of accidental contact with the skin or eyes, immediate rinsing with plenty of water is recommended.

Furthermore, if ingestion or inhalation occurs, it is crucial to seek medical advice promptly. While diisooctyl sebacate may not have defined hazard classifications, it is essential to handle it with care and adhere to appropriate safety protocols.

Safe Handling:

  • Avoid skin contact by wearing appropriate protective gloves and clothing.
  • In case of skin contact, rinse immediately with plenty of water and use soap if necessary. Wash hands thoroughly after handling.
  • In case of eye contact, flush eyes thoroughly with water for at least 15 minutes.
  • If swallowed, do not induce vomiting and seek immediate medical advice.
  • If inhaled, move the victim to fresh air and seek medical advice if necessary.

Storage:

  • Store diisooctyl sebacate in its original container, tightly closed, and in a well-ventilated area.
  • Keep the container at room temperature (5-30°C).
  • Ensure storage away from sources of ignition, such as open flames or heat sources.

Disposal of diisooctyl sebacate and any associated waste should be conducted in compliance with applicable local and national regulations. Proper disposal methods ensure that the substance is handled responsibly and does not pose harm to the environment or human health.

External treatment and disposal of waste should align with established regulations governing the management of chemical substances. This may include specific procedures for waste collection, treatment, and disposal to minimise environmental impact and ensure safety.

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