Skip to Content
Merck
All Photos(1)

Key Documents

80153

Sigma-Aldrich

Di-n-octyl phthalate

≥98.0% (GC)

Synonym(s):

DNOP, Phthalic acid di-n-octyl ester

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C24H38O4
CAS Number:
Molecular Weight:
390.56
Beilstein:
1915994
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

≥98.0% (GC)

form

liquid

refractive index

n20/D 1.485

acid value

≤3

density

0.980 g/mL at 20 °C (lit.)

functional group

ester

SMILES string

CCCCCCCCOC(=O)c1ccccc1C(=O)OCCCCCCCC

InChI

1S/C24H38O4/c1-3-5-7-9-11-15-19-27-23(25)21-17-13-14-18-22(21)24(26)28-20-16-12-10-8-6-4-2/h13-14,17-18H,3-12,15-16,19-20H2,1-2H3

InChI key

MQIUGAXCHLFZKX-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

Di-n-octyl phthalate (DnOP) is ahigh-molecular-weight compound commonly used as a plasticizer to enhance theflexibility and durability of polyvinyl chloride (PVC) products. It is found ina wide range of applications, including toys, wires, detergents, adhesives,automotive plastics, medical devices, and personal care products. Additionally,DnOP is utilized in non-PVC applications such as coatings, rubber products, andsealants.

Application

  • Unified BARGE Method for Phthalate Migration: A simplified unified BARGE method has been proposed to assess the migration of phthalate esters from ingested PVC consumer products. This study focuses on the migration behaviors of phthalates like Di-n-octyl phthalate, aiding in regulatory assessments and consumer safety evaluations (Mohamed et al., 2023).
  • ECTFE Porous Membrane for Dehumidification: The development of an ECTFE porous membrane for dehumidification of gaseous streams through a membrane condenser introduces a novel application of membrane technology, potentially incorporating Di-n-octyl phthalate as a process agent, enhancing industrial gas separation and purification processes (Pan et al., 2022).

Hazard Statements

Precautionary Statements

Hazard Classifications

Aquatic Chronic 4

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

228.2 °F - closed cup

Flash Point(C)

109.0 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Development of ecological risk assessment for Diisobutyl phthalate and di-n-octyl phthalate in surface water of China based on species sensitivity distribution model
Huan-Yu, Tao and Jiawei, et al.
Chemosphere, 307, 135932-135932 (2022)
Impacts of phthalate plasticisers?an emerging issues and concerns
Shincy, Fathima and Chitra, K
Journal of Veterinary Science and Technology, 9, 14-49 (2020)
P Wang et al.
Chemosphere, 72(10), 1567-1572 (2008-06-13)
Phthalic acid esters (PAEs) are used in many branches of industry and are produced in huge amounts throughout the world. An investigation on particulate- and gas-phase distribution of PAEs has been conducted in Nanjing (China). The 12-h daily sampling program
Xueling Wu et al.
Journal of hazardous materials, 176(1-3), 262-268 (2009-12-05)
Two bacterial strains were isolated from activated sludge using mixtures of phthalic acid esters (PAEs) as the sole source of carbon and energy. One of the isolates was identified as Gordonia sp. strain JDC-2 and the other as Arthrobacter sp.
Manori J Silva et al.
Toxicology, 210(2-3), 123-133 (2005-04-21)
Di-n-octyl phthalate (DnOP) is a plasticizer used in polyvinyl chloride plastics, cellulose esters, and polystyrene resins. The metabolism of DnOP results in the hydrolysis of one ester linkage to produce mono-n-octyl phthalate (MnOP), which subsequently metabolizes to form oxidative metabolites.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service