Dibutyl phthalate

Dibutyl phthalate
Names
	Preferred IUPAC name Dibutyl benzene-1,2-dicarboxylate
	Other names Dibutyl phthalate; Di-n-butyl phthalate; Butyl phthalate, dibasic (2:1); n-Butyl phthalate; 1,2-Benzenedicarboxylic acid dibutyl ester; o-Benzenedicarboxylic acid dibutyl ester; DBP; Palatinol C; Elaol; Dibutyl 1,2-benzene-dicarboxylate
Identifiers
CAS Number	84-74-2 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	1914064
ChEBI	CHEBI:34687 ;
ChEMBL	ChEMBL272485 ;
ChemSpider	13837319 ;
DrugBank	DB13716;
ECHA InfoCard	100.001.416
EC Number	201-557-4;
Gmelin Reference	262569
IUPHAR/BPS	6295;
KEGG	C14214 ;
PubChem CID	3026;
RTECS number	TI0875000;
UNII	2286E5R2KE ;
CompTox Dashboard (EPA)	DTXSID2021781 ;
	InChI InChI=1S/C16H22O4/c1-3-5-11-19-15(17)13-9-7-8-10-14(13)16(18)20-12-6-4-2/h7-10H,3-6,11-12H2,1-2H3 Key: DOIRQSBPFJWKBE-UHFFFAOYSA-N ;
	SMILES CCCCOC(=O)c1ccccc1C(=O)OCCCC;
Properties
Chemical formula	C16H22O4
Molar mass	278.348 g·mol−1
Appearance	Colorless liquid
Odor	aromatic
Density	1.05 g/cm3 at 20 °C
Melting point	−35 °C (−31 °F; 238 K)
Boiling point	340 °C (644 °F; 613 K)
Solubility in water	13 mg/L (25 °C)
log P	4.72
Vapor pressure	0.00007 mmHg (20 °C)
Magnetic susceptibility (χ)	-175.1·10−6 cm3/mol
Pharmacology
ATC code	P03BX03 (WHO)
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	N), Harmful (Xi)
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H360Df, H400
Precautionary statements	P201, P202, P273, P281, P308+P313, P391, P405, P501
NFPA 704 (fire diamond)	2 1 0
Flash point	157 °C (315 °F; 430 K) (closed cup)
Autoignition; temperature	402 °C (756 °F; 675 K)
Explosive limits	0.5 - 3.5%
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	5289 mg/kg (oral, mouse); 8000 mg/kg (oral, rat); 10,000 mg/kg (oral, guinea pig)
LC50 (median concentration)	4250 mg/m3 (rat); 25000 mg/m3 (mouse, 2 hr)
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 5 mg/m3
REL (Recommended)	TWA 5 mg/m3
IDLH (Immediate danger)	4000 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

Dibutyl phthalate (DBP) is an organic compound which is commonly used as a plasticizer because of its low toxicity and wide liquid range. With the chemical formula C₆H₄(CO₂C₄H₉)₂, it is a colorless oil, although impurities often render commercial samples yellow.

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