SODIUM DICHROMATE DIHYDRATE Extra Pure

Chemical Information
Article No.	AL4127
Grade	Extra Pure
Purity	98%
CAS Number	7789-12-0
Molecular Formula	Na2Cr2O7.2H2O
Molecular Weight	298
HS Code	28413000
Shelf Life	5 Years

Physical Properties
Vapour density	10
Solubility in water(% weight)	Soluble in water (73%)
Colour	Orange Crystalline
Melting point/ Freezing point(°C)	91 °C
pH value	3.5-4.0
Density (g/cm3)	2.35
Odour	Odorless
Physical state at 20 °C	Solid

Safety Information and Hazard Symbols
Precaution Statement	P280-P305+P351+P338-P310-P301+P330+P331-P303+P361+P353-P273
Hazardous Statement	H340-H317-H330-H334-H314-H312-H350-H410-H360FD-H372-H301-H272-H335
Symbol	GHS03, GHS05, GHS06, GHS08, GHS09
Signal Word	Danger
Packing Group	II

Specifications
Sulphate (SO4)	Max 0.2%
Chloride (Cl)	Max 0.03%
Appearance	Orange crystalline powder