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Sigma-Aldrich

Diisononyl phthalate

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

Synonym(s):

DINP

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About This Item

Linear Formula:
C6H4(CO2C9H19)2
CAS Number:
28553-12-0
Molecular Weight:
418.61
Beilstein:
3217775
UNSPSC Code:
12162002
PubChem Substance ID:
24863457
NACRES:
NA.23

grade

technical grade

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

EU REACH Annex XIV (Authorisation List)

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Michael A Babich et al.
Regulatory toxicology and pharmacology : RTP, 40(2), 151-167 (2004-09-29)
Dialkyl phthalates are plasticizers used in household products made from polyvinyl chloride (PVC). Diisononyl phthalate (DINP) is the principal phthalate in soft plastic toys. Because DINP is not tightly bound to PVC, it may be released when children mouth PVC
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
Diisononyl phthalate induces asthma via modulation of Th1/Th2 equilibrium
Hwang YH, et al.
Toxicology Letters, 272 (2017)
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
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