Chemical formula: Na2CrO4.4H2O, molecular weight:234.03, yellow rhombic crystal, translucent, hygroscopic readily in air, and soluble in water; loses crystal water at 68 degree celsius. Strong oxidation. Poisonous.
Application
Mainly used in dyeing, tanning and the manufacture of chrome yellow pigments etc.
Packaging
In reinforced-type composite plastic woven bags, net weight for each: 40kg.
Notice
1. Store in shady and cool, well-ventilated storehouses sealed packing.
Keep away from kindling, heat source .Avoid sunlight.
Do not store with reducing agents, combustibles or food chemicals.
2.Operators should wear dust mask, one-body rubberized chemical protective clothing and rubber gloves. No smoking in workplaces.
3. In case of leakage, the polluted area should be quarantined. Entry and exit should be strictly controlled. The leaked material should be gathered, reclaimed or transported and disposed in the waste-disposal station.
4. Wash and detoxify the container with residual detrimental substances
[quality standard]: Q72983621-6.02-2007
item first-slass products
(Na2CrO4•4H2O) 99%min
Sulfate(SO4) 0.20%max
Chloride(CL-) 0.10%max