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Organic Intermediate/Raw materials

Diisobutyl phthalate  CAS 84-69-5

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Product Name:Diisobutyl phthalate

Synonym: 1,2-Benzenedicarboxylic acid bis(2-methylpropyl) ester; Phthalic acid diisobutyl ester;DIBP;

Molecular Structure:


Item Specifications
CAS No. 84-69-5
Molecular Formula C16H22O4
Molecular Weight 278.34
Chromaticity, (Pt Co) ≤ 35
Ester Content,% ≥ 99.00
Density (P20) ,g/cm3


Acidity (calculated as phthalic acid), % ≤ 0.015
Heating Reduction,% ≤ 0.70
Flash Point, ℃ ≥ 154


Packing: IBC Drum; 200KG/Drum


Diisobutyl phthalate is a colorless transparent liquid with good compatibility with cellulose, PVC, polystyrene, polyvinyl acetate and other resins. It is mainly used as a plasticizer for cellulose resin, vinyl resin, Nitrile rubber and chlorinated rubber.


1.This product has a plasticizer effect similar to DBP, but has high volatility and water extraction. It is commonly used as a substitute for DBP and is widely used in cellulose resin, vinyl resin, rubber, and other fields.

2.This product has a toxic effect on crop seedlings and is not suitable for use in agricultural PVC films.


Store indoors in a well ventilated and dry place, avoiding open flames and water ingress.



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