sodium dichromate 98.3% & sodium bichromate98.00%

sodium dichromate 98.3%
sodium dichromate98.00%
sodium dichromate 25KG&40KG BAG
sodium bichromate98.3%
sodium bichromate98%

 

                                               

                                                   SODIUM DICHROMATE

                                                              CAS NO: 7789-12-0                                      

PRODUCT CHARACTER:

Chemical Formula: Na2Cr2O7·2H2O

M.W.: 298.00

Bright orange monoclinic needle shaped or granular crystal, dehydrated to copper-brown substance at 84.6

Deliquesces readily in air , and easily soluble in water, forming an acidic arrange solution.

A strong oxidizing agent in an acidic medium. Poisonous.

  

APPLICATION:

Mainly used in the manufacture of chromium anhydride, yellow pigments and other chromate salts.

Also used in leather tanning, textile dyeing, electroplating, medicine, lipids, oil-well drilling and wood preservation etc.

  

PACKAGING:

In reinforced-type composite plastic woven bags, net weight for each:  25kg or 40kg

  

NOTICE:

1 Avoid moisture, heat and shock during storage and transportation. Keep away from combustibles.

2  Do not store with foodstuff or strong reducers.

3  Avoid contacting with eyes and skin

4  Personal protective appliances should be equipped with, such as self-suction respirator, acid-proofing rubber gloves, security coat and boot, chemical-resistant protective glasses.

5  In case of leakage, reduce with 10% sulfuric and ferrous sulfate, and neutralize with calcium oxide immediately

  

EXECUTIVE STANDARD:

GB/T1611/2003

 

 SPECIFICATION:

 

ITEM	INDEX
	PREMIUM GRADE	FIRST GRADE	STANDARD GRADE
Na2Cr2O7·2H2O	≥99.50%	≥98.30%	≥98.00%
SO42-	≤0.20%	≤0.30%	≤0.40%
Cl-	≤0.20%	≤0.20%	≤0.70%

 

 FOB PRICE:             

 USD 2000-2500/MT