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Merck

80153

Di-n-octyl phthalate

≥98.0% (GC)

Synonym(s):

DNOP, Phthalic acid di-n-octyl ester

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About This Item

Empirical Formula (Hill Notation):
C24H38O4
CAS Number:
117-84-0
Molecular Weight:
390.56
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
57652830
EC Number:
204-214-7
Beilstein/REAXYS Number:
1915994
MDL number:
MFCD00015292
Assay:
≥98.0% (GC)
Form:
liquid

Key Documents

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InChI key

MQIUGAXCHLFZKX-UHFFFAOYSA-N

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

SMILES string

CCCCCCCCOC(=O)c1ccccc1C(=O)OCCCCCCCC

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

Quality Level

100

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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).

hcodes

H413

Hazard Classifications

Aquatic Chronic 4

Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

228.2 °F - closed cup

flash_point_c

109.0 °C - closed cup

ppe

Eyeshields, Gloves

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.

117-84-0

CAS No.

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Certificates of Analysis (COA)

Lot/Batch Number
BCCF2153
BCBX3801
BCBR9722V
BCBN2336V
BCBK6666V

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R H Hinton et al.
Human toxicology, 4(3), 261-271 (1985-05-01)
Treatment of rats with hypolipidaemic drugs or with the plasticizer di-2-ethyl hexyl phthalate caused significant alterations in the concentration of certain plasma proteins. Certain proteins showed dose-dependent increases, in other cases the plasma concentrations fell in treated animals. The changes
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.
B G Lake et al.
Acta pharmacologica et toxicologica, 54(3), 167-176 (1984-03-01)
The oral administration of di-n-octyl phthalate (DNOP), mono-n-octyl phthalate (MNOP), di-(2-ethylhexyl) phthalate (DEHP) and clofibrate to young male Sprague-Dawley rats for 14 days resulted in liver enlargement. Morphological examination of liver sections from DEHP and clofibrate treated rats, but not
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