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Merck
CN

31301

Di-n-octyl phthalate

analytical standard

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:
41116107
NACRES:
NA.24
PubChem Substance ID:
329753748
EC Number:
204-214-7
Beilstein/REAXYS Number:
1915994
MDL number:
MFCD00015292

Key Documents

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Product Name

Di-n-octyl phthalate, analytical standard

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

grade

analytical standard

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

density

0.980 g/mL at 20 °C (lit.)

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

Quality Level

100

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Application

DNOP has been used as standard during solid-phase microextraction followed by GC-MS analysis of phthalate esters in water sample examined after sonochemical degradation.
Di-n-octyl phthalate may be used as an analytical reference standard for the quantification of the analyte in:
  • Soil samples using micellar electro-kinetic chromatography (MEKC), further confirmed by gas chromatography with flame ionization detection (GC-FID).
  • Bottled water using gas chromatography coupled to mass spectrometry (GC-MS).
  • Plastic toys using gas chromatography with flame ionization detection (GC-FID).

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

General description

Di-n-octyl phthalate, belonging to the class of plasticizers, is found to be omnipresent in the environment. It is reported to be used in the manufacturing of flooring tiles, bottle cap liners, indirect food additives and toys.
Di-n-octyl phthalate (DNOP) is a mixed component of C6–C10 linear-chain phthalates which has the ability to impart flexibility in plastics and rubber materials. It is also used as plasticizer in PVC used in flooring and carpet tiles.

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, multi-purpose combination respirator cartridge (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCCK0796
BCCC5833
BCBX5599
BCBR9842V

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Mono-(3-carboxypropyl) phthalate, a metabolite of di-n-octyl phthalate.
Calafat AM
Journal of Toxicology and Environmental Health. Part A, 69(3-4), 215-227 (2006)
Subchronic oral toxicity of di-n-octyl phthalate and di(2-Ethylhexyl) phthalate in the rat.
Poon R
Food And Chemical Toxicology, 35(2), 225-239 (1997)
Personal care product use and urinary levels of phthalate metabolites in Mexican women
Romero-Franco M, et al.
Environment International, 437(5), 867-871 (2011)
Gas chromatographic analysis of phthalate esters in plastic toys.
Rastogi SC.
Chromatographia, 47(11-12), 724-724 (1998)
Determination of phthalates and adipate in bottled water by headspace solid-phase microextraction and gas chromatography/mass spectrometry.
Cao XL.
Journal of Chromatography A, 1178(1-2), 231-238 (2008)
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