Diethyl phthalate

Diethyl phthalate
Names
	Preferred IUPAC name Diethyl benzene-1,2-dicarboxylate
	Other names Diethyl phthalate
Identifiers
CAS Number	84-66-2 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:34698 ;
ChEMBL	ChEMBL388558 ;
ChemSpider	13837303 ;
ECHA InfoCard	100.001.409
KEGG	D03804 ;
PubChem CID	6781;
UNII	UF064M00AF ;
CompTox Dashboard (EPA)	DTXSID7021780 ;
	InChI 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 Key: FLKPEMZONWLCSK-UHFFFAOYSA-N ; InChI=1/C12H14O4/c1-3-15-11(13)9-7-5-6-8-10(9)12(14)16-4-2/h5-8H,3-4H2,1-2H3 Key: FLKPEMZONWLCSK-UHFFFAOYAV;
	SMILES CCOC(=O)c1ccccc1C(=O)OCC;
Properties
Chemical formula	C12H14O4
Molar mass	222.24 g/mol
Appearance	Colourless, oily liquid
Density	1.12 g/cm3 at 20 °C
Melting point	−4 °C (25 °F; 269 K)
Boiling point	295 °C (563 °F; 568 K)
Solubility in water	1080 mg/L at 25 °C
log P	2.42
Vapor pressure	0.002 mmHg (25 °C)
Magnetic susceptibility (χ)	−127.5·10−6 cm3/mol
Hazards
NFPA 704 (fire diamond)	1 1 0
Flash point	161.1 °C (322.0 °F; 434.2 K)
Explosive limits	0.7%, lower
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	8600 mg/kg (rat)
	NIOSH (US health exposure limits):
PEL (Permissible)	None
REL (Recommended)	TWA 5 mg/m3
IDLH (Immediate danger)	N.D.
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Diethyl phthalate (DEP) is a phthalate ester. It occurs as a colourless liquid without significant odour but has a bitter, disagreeable taste. It is more dense than water and insoluble in water; hence, it sinks in water.

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