Premium grade First grade

 Dibutyl phthalate(DBP)

Density :1.053g/cm3Melting point:-35°CBoiling point:337°C at 760 mmHgRefractive index:1.499Flash point:177.4°C

Water solubility:Slightly soluble. 0.0013 g/100 mL

 Vapour Pressur:0.000108mmHg at 25°C

it is a main plasticizer for cellulose resin and PVC, especially for cellulose nitrate coating. It offers good solubility, dispersion and adhesion capacity. It can work with dye for the dying of membrane, manmade leather and plastic product. It also can be used as softener of rubber. Quality index :  

Item	Value
	Premium grade	First grade	Salable product
Appearance	transparent oily liquid
Ester ,%≥	99.5	99.0	99.0
Density (20°C),g/cm3	1.044-1.048
Acidity ( as phthalic acid)%≤	0.010	0.015	0.030
Flash point ,°C  ≥	160
Chroma ,(Pt-Co) #  ≤	20	25	60
Loss on heat ,%≤	0.3	0.5	0.7
Chroma after heat treatment ( Pt-Co) ≤	100	---------

Dibutyl phthalate