·Molecular formular: Na2Cr2O7·2H2O
·Specific gravity: 2.52(13℃)
·Chracter: orange crystal grain, easy soluble in water, poisonous.
·Usage: It is used as the raw material forproducing chromic salts(chromic anhydride,chromic oxide and
potassium dichromate etc),oxidizer for producing alkaline light greendyestuff,saccharin,synthetic
camphor and synthetic fidre etc.
Sodium dichromate is used as oxidizerwhen byeing with aniline,ageng atter dyeingwith acid
mordant dyes in printing and dyeingindustry.
It is used for purity treatmen afterzinkplating so as to increase brightness ingalvanizing industry.
It is used to tan hides etc.in hide-treating industry.
·Specification:
Items
( Na2Cr2 O7·2H2O )%,≥	98.3
Sulphate ( SO4 )%, ≤	0.3
Chloride ( Cl- )%, ≤	0.1
? Packing: in 50kg plastic woven bag