Bis(2-ethylhexyl) phthalate

Bis(2-ethylhexyl) phthalate
Names
	Preferred IUPAC name Bis(2-ethylhexyl) benzene-1,2-dicarboxylate
	Other names Bis(2-ethylhexyl) phthalate; Di-sec octyl phthalate (archaic); DEHP; Isooctyl phthalate, di-
Identifiers
CAS Number	117-81-7 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:17747 ;
ChEMBL	ChEMBL402794 ;
ChemSpider	21106505 ;
ECHA InfoCard	100.003.829
EC Number	204-211-0 617-060-4;
KEGG	C03690 ;
PubChem CID	8343;
RTECS number	TI0350000;
UNII	C42K0PH13C ;
CompTox Dashboard (EPA)	DTXSID5020607 ;
	InChI InChI=1S/C24H38O4/c1-5-9-13-19(7-3)17-27-23(25)21-15-11-12-16-22(21)24(26)28-18-20(8-4)14-10-6-2/h11-12,15-16,19-20H,5-10,13-14,17-18H2,1-4H3 Key: BJQHLKABXJIVAM-UHFFFAOYSA-N ;
	SMILES O=C(OCC(CC)CCCC)C1=CC=CC=C1C(OCC(CC)CCCC)=O;
Properties
Chemical formula	C24H38O4
Molar mass	390.564 g·mol−1
Appearance	Colorless, oily liquid
Density	0.99 g/mL (20°C)
Melting point	−50 °C (−58 °F; 223 K)
Boiling point	385 °C (725 °F; 658 K)
Solubility in water	0.00003% (23.8 °C)
Vapor pressure	< 0.01 mmHg (20 °C)
Refractive index (nD)	1.4870
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Irritant, teratogen
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H360FD
Precautionary statements	P201, P202, P280, P308+P313, P405, P501
NFPA 704 (fire diamond)	0 1 0
Flash point	216 °C; 420 °F; 489 K (open cup)
Explosive limits	0.3%-?
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	34,000 mg/kg (oral, rabbit); 26,000 mg/kg (oral, guinea pig); 30,600 mg/kg (oral, rat); 30,000 mg/kg (oral, mouse)
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 5 mg/m3
REL (Recommended)	Ca TWA 5 mg/m3 ST 10 mg/m3
IDLH (Immediate danger)	Ca [5000 mg/m3]
	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

Bis(2-ethylhexyl) phthalate (di-2-ethylhexyl phthalate, diethylhexyl phthalate, diisooctyl phthalate, DEHP; incorrectly — dioctyl phthalate, DIOP) is an organic compound with the formula C₆H₄(CO₂C₈H₁₇)₂. DEHP is the most common member of the class of phthalates, which are used as plasticizers. It is the diester of phthalic acid and the branched-chain 2-ethylhexanol. This colorless viscous liquid is soluble in oil, but not in water.

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