Skip to Content
Merck
All Photos(1)

Key Documents

8.22323

Sigma-Aldrich

Diethyl phthalate

Technipur®, for synthesis

Synonym(s):

Diethyl benzene-1,2-dicarboxylate, Ethyl phthalate, Phthalic acid diethyl ester

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
C6H4-1,2-(CO2C2H5)2
CAS Number:
Molecular Weight:
222.24
Beilstein:
1912500
MDL number:
UNSPSC Code:
12352108
NACRES:
NA.22

grade

for synthesis

Quality Level

vapor density

7.66 (vs air)

vapor pressure

0.002 hPa ( 20 °C)
1 mmHg ( 100 °C)

autoignition temp.

854 °F

expl. lim.

0.75 %, 187 °F

refractive index

n20/D 1.502 (lit.)

pH

7-8 (20 °C in H2O)

bp

298-299 °C (lit.)

mp

-60 °C
−3 °C (lit.)

density

1.12 g/mL at 25 °C (lit.)

SMILES string

CCOC(=O)c1ccccc1C(=O)OCC

InChI

1S/C12H14O4/c1-3-15-11(13)9-7-5-6-8-10(9)12(14)16-4-2/h5-8H,3-4H2,1-2H3

InChI key

FLKPEMZONWLCSK-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

Diethyl phthalate (DEP) is a phthalic anhydride ester (PAE) that can be used as a solvent in cosmetics and as a plasticizer in chemical industries. This synthetic material is widely used as a plastic additive to improve the mechanical properties, transparency, durability, longevity, and flexibility of plastics. DEP can also be used in a variety of consumer products like plastic packaging films and as a fragrance solvent, a surface lubricant in food and pharmaceutical packaging, mosquito repellents and automobile parts.

Legal Information

Technipur is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

338.0 °F - closed cup

Flash Point(C)

170 °C - closed cup


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

Diethyl phthalate: a perspective
Kamrin MA and Mayor GH
Journal of Clinical Pharmacology, 31(5), 484-489 (1991)
phytochemical analysis of leaf extract of Eclipta prostrata (L.) by GC-MS method
Wyson JW, et al.
International Journal of Pharmaceutical Sciences and Research, 7(1), 272-272 (2016)
Phthalate metabolites in urine from China, and implications for human exposures
Guo Y, et al.
Environment International, 37(5), 893-898 (2011)

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