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CAS 605-50-5

CAS 605-50-5 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 605-50-5
CAS 605-50-5PubChem CID 69059

Diisopentyl phthalate

IUPAC name
bis(3-methylbutyl) benzene-1,2-dicarboxylate
Molecular formula
C18H26O4
Molecular weight
306.4 g/mol
Exact mass
306.18310931 Da
XLogP3
5.6
Topological polar surface area
52.6 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

Isoamyl phthalateBis(3-methylbutyl) phthalatePalatinol DIPPNSC 17070UNII-WPN6M4ZUIFWPN6M4ZUIFEINECS 210-088-4BRN 2134957
16 more reported names
AI3-04281NSC-17070ISOAMYL PHTHALATE [MI]EC 210-088-44-09-00-03179 (Beilstein Handbook Reference)1,2-Benzenedicarboxylic Acid 1,2-Bis(3-methylbutyl) EsterDiisopentyl phthalic acidRefChem:134061JANBFCARANRIKJ-UHFFFAOYSA-NDiisoamyl phthalateDisoamyl phthalatePhthalic acid, diisopentyl ester1,2-Benzenedicarboxylic acid, bis(3-methylbutyl) esterDiisopentylphthalateDiisopentyl phthalate, analytical standardPhthalic Acid Diisopentyl Ester
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 605-50-5

1 total
No records found for this CAS number.

How CAS 605-50-5 is used on this site

CAS 605-50-5 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 605-50-5 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.