ChemicalBook > CAS DataBase List > Diisononyl phthalate

Diisononyl phthalate

Product Name
Diisononyl phthalate
CAS No.
28553-12-0
Chemical Name
Diisononyl phthalate
Synonyms
DINP;baylectrol4200;diisononylphthalate,dinp;PHTHALIC ACID, BIS-ISONONYL ESTER;dinp3;dinp2;enj2065;HSDB 4491;palatinoln;vestinolnn
CBNumber
CB5769423
Molecular Formula
C26H42O4
Formula Weight
418.61
MOL File
28553-12-0.mol
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Diisononyl phthalate Property

Melting point:
-48°
Boiling point:
bp5 mm Hg 252°
Density 
0.972 g/mL at 25 °C (lit.)
vapor pressure 
1 mmHg ( 200 °C)
refractive index 
n20/D1.485(lit.)
Flash point:
235 °C
storage temp. 
Refrigerator
solubility 
Chloroform (Slightly), Methanol (Slightly)
form 
Oil
color 
Colourless
Water Solubility 
<0.1 g/100 mL at 21 ºC
Merck 
14,3290
BRN 
3217775
InChIKey
HBGGXOJOCNVPFY-UHFFFAOYSA-N
LogP
9.026 (est)
CAS DataBase Reference
28553-12-0(CAS DataBase Reference)
NIST Chemistry Reference
Diisononyl phthalate(28553-12-0)
EPA Substance Registry System
Diisononyl phthalate (28553-12-0)
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Safety

WGK Germany 
3
RTECS 
CZ3395000
HS Code 
2917.34.0150
Hazardous Substances Data
28553-12-0(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H361Suspected of damaging fertility or the unborn child

H413May cause long lasting harmful effects to aquatic life

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P308+P313IF exposed or concerned: Get medical advice/attention.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
376663
Product name
Diisononyl phthalate
Purity
ester content ≥99 % (mixture of C9 isomers), technical grade
Packaging
1l
Price
$58.1
Updated
2025/07/31
TCI Chemical
Product number
P0300
Product name
Diisononyl Phthalate (mixture of branched chain isomers)
Packaging
500g
Price
$24
Updated
2025/07/31
TRC
Product number
D455408
Product name
Diisononyl phthalate
Packaging
500mg
Price
$960
Updated
2021/12/16
AK Scientific
Product number
7674AL
Product name
DiisononylPhthalate(mixtureofC9isomers),tech.
Packaging
25g
Price
$14
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0069211
Product name
DIISONONYL PHTHALATE
Purity
95.00%
Packaging
100MG
Price
$750.75
Updated
2021/12/16
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Diisononyl phthalate Chemical Properties,Usage,Production

Uses

A widely used chemical with potential thyroid-disrupting properties. Used in toxicology studies as well as risk assessment studies of food contamination that occurs via migration of phthalates into foodstuffs from food-contact materials (FCM).

Uses

Diisononyl Phthalate is a general-purpose plasticizer for polyvinyl chloride.

Uses

General purpose plasticizers for PVC applications and flexible vinyls.

Definition

ChEBI: The diisononyl ester of benzene-1,2-dicarboxylic acid.

General Description

Oily colorless liquid with a slight ester odor. Denser than water. Insoluble in water.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Diisononyl phthalate reacts exothermically with acids to generate isononyl alcohol and phthalic acid. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by interaction with caustic solutions. Flammable hydrogen is generated by mixing with alkali metals and hydrides. Can generate electrostatic charges. [Handling Chemicals Safely, 1980. p. 250].

Health Hazard

Produces no ill effects at normal temperatures, but may give off irritating vapors at high temperatures.

Fire Hazard

Diisononyl phthalate is combustible.

Flammability and Explosibility

Non flammable

Purification Methods

Wash the ester with aqueous Na2CO3 then shake it with water. Ether is added to break the emulsion, and the solution is washed twice with water, and dried (CaCl2). After evaporating the ether, the residual liquid is distilled three times under reduced pressure. It is stored in a vacuum desiccator over P2O5. [Beilstein 9 IV 3183.]

Toxics Screening Level

The initial threshold screening level for diisononyl phthalate is 75 μg/m3 based on an annual averaging time.

Diisononyl phthalate Preparation Products And Raw materials

Raw materials

Preparation Products

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Diisononyl phthalate Suppliers

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View Lastest Price from Diisononyl phthalate manufacturers

Shaanxi Dideu New Materials Co. Ltd
Product
Diisononyl phthalate 28553-12-0
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
1000kg
Release date
2025-12-03
Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Diisononyl phthalate DNP 28553-12-0
Price
US $100.00-45.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-05-07
Hebei Chuanghai Biotechnology Co., Ltd
Product
Diisononyl phthalate 28553-12-0
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2025-03-14

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