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Sigma-Aldrich

Diisononyl phthalate

ester content ≥99 % (mixture of C9 isomers), technical grade

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Synonym(s):
DINP
Linear Formula:
C6H4(CO2C9H19)2
CAS Number:
28553-12-0
Molecular Weight:
418.61
Beilstein:
3217775
PubChem Substance ID:
24863457
NACRES:
NA.23

grade

technical grade

Quality Level

100

vapor pressure

1 mmHg ( 200 °C)

form

viscous liquid

composition

ester content, ≥99% (mixture of C9 isomers)

impurities

≤0.15% dioctyl phthalate (typical)

refractive index

n20/D 1.485 (lit.)

density

0.972 g/mL at 25 °C (lit.)

SMILES string

CC(C)CCCCCCOC(=O)c1ccccc1C(=O)OCCCCCCC(C)C

InChI

1S/C26H42O4/c1-21(2)15-9-5-7-13-19-29-25(27)23-17-11-12-18-24(23)26(28)30-20-14-8-6-10-16-22(3)4/h11-12,17-18,21-22H,5-10,13-16,19-20H2,1-4H3

InChI key

HBGGXOJOCNVPFY-UHFFFAOYSA-N

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General description

Diisononyl phthalate(DINP) is a plasticizer with a combination of 9-carbon branched dialkyl phthalate isomers. It can plasticize a variety of polyvinylchloride (PVC) based products that are majorly used in personal care items, nutritional supplements, and pharmaceutical industries.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

456.8 °F - closed cup

Flash Point(C)

236 °C - closed cup

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Sean M Hays et al.
Regulatory toxicology and pharmacology : RTP, 60(2), 181-188 (2011-04-07)
Biomonitoring Equivalents (BEs) are defined as the concentration or range of concentrations of a chemical or its metabolite in a biological medium (blood, urine, or other medium) that is consistent with an existing health-based exposure guideline such as a reference
Cynthia J Hines et al.
International archives of occupational and environmental health, 85(3), 317-325 (2011-06-28)
Diisononyl phthalate (DiNP) is primarily used as a plasticizer in polyvinyl chloride (PVC) materials. While information is available on general population exposure to DiNP, occupational exposure data are lacking. We present DiNP metabolite urinary concentrations in PVC processing workers, estimate
Julie Boberg et al.
Reproductive toxicology (Elmsford, N.Y.), 31(2), 200-209 (2010-11-16)
Diisononyl phthalate (DINP) is a plasticizer abundantly used in consumer products as a substitute for other plasticizers prohibited in certain products due to reproductive toxicity. As anti-androgenic effects of DINP are suspected, DINP effects on reproduction and sexually dimorphic behavior
Diisononyl phthalate induces asthma via modulation of Th1/Th2 equilibrium
Hwang YH, et al.
Toxicology Letters, 272 (2017)
Eiko Koike et al.
Environmental health perspectives, 118(4), 472-478 (2010-01-13)
Diisononyl phthalate (DINP), a principal plasticizer in many polyvinyl chloride products, has been shown to have an adjuvant effect on immunoglobulin (Ig) production in mice. However, the effects of DINP on allergic diseases have not been fully elucidated. In the
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