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Diisononyl phthalate CAS 28553-12-0 DINP

Diisononyl Phthalate (DINP) is a high molecular weight phthalate plasticizer widely used in polyvinyl chloride (PVC) and other polymer applications. It is produced by esterification of phthalic anhydride with isononyl alcohol. DINP exhibits excellent plasticizing efficiency, low volatility, and good resistance to extraction by water and soapy solutions. The compound demonstrates good compatibility with PVC resins and provides durable, flexible products with enhanced performance characteristics.
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  • 28553-12-0

  • boss chem

  • 28553-12-0

Product name: Diisononyl Phthalate

English alias: DINP; Phthalic acid diisononyl ester

CAS: 28553-12-0

Molecular formula: C26H42O4

Appearance: Colorless to light yellow transparent oily liquid

Package: 200kg/drum, 1000kg/IBC tank

What is Diisononyl Phthalate?

Disononyl Phthalate (DINP) is a high molecular weight phthalate plasticizer widely used in polyvinyl chloride (PVC) and other polymer applications. It is produced by esterification of phthalic anhydride with isononyl alcohol. DINP exhibits excellent plasticizing efficiency, low volatility, and good resistance to extraction by water and soapy solutions. The compound demonstrates good compatibility with PVC resins and provides durable, flexible products with enhanced performance characteristics.


COA (Certificate of Analysis):


SPECIFICATION PROPERTIES

STANDARD

RESULTS

Appearance

Colorless or light yellow oily liquid

Colorless or light yellow oily liquid

Acid value mgKOH/g,≤

0.06

0.011

Ester content%,≥

≥99.0

99.86

Chroma(Pt-Co),≤

30

15


Density(20℃)g/cm3

0.971-0.977

0.9738


Moisture content %,≤

0.1


0.023


Flash point℃,≥


210


212


Application:

1. Used as primary plasticizer in PVC products including cables, wires, and flooring materials

2. Employed in automotive interior parts such as dashboards and door panels

3. Applied in synthetic leather and coated fabrics production

4. Used in various plastic products like hoses, tubes, and films

5. Employed in sealants and adhesives formulations

6. Applied in children's toys and consumer products (subject to regulatory compliance)

7. Used in medical devices (specific grades meeting medical requirements)

Safety profile:

DINP is considered to have low acute toxicity. However, appropriate precautions should be taken during handling. Avoid prolonged skin contact and inhalation of mists. Use personal protective equipment including gloves and safety glasses. The product should be used in well-ventilated areas. Regulatory status varies by region regarding specific applications.

Storage requirements:

Store in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers tightly closed to prevent moisture absorption and contamination. Recommended storage temperature: 10-40°C. Store away from strong oxidizing agents.

Transport & Packaging:

DINP is supplied in 200kg steel or plastic drums and 1000kg IBC containers. Classified as non-dangerous goods for transportation. Proper labeling is recommended.




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