SODIUM HYDROXIDE PELLETS (OR PEARLS) Extra Pure

Chemical Information
Article No.	AL4158
Grade	Extra Pure
Purity	98%
CAS Number	1310-73-2
Molecular Formula	NaOH
Molecular Weight	40
HS Code	28151190
Shelf Life	5 Years

Physical Properties
Vapour density	>1
Solubility in water(% weight)	111 g/100 g of water
Colour	White pellets
Boiling point(°C)	1390 °C
Melting point/ Freezing point(°C)	318 °C
Vapour pressure (20 °C)	< 24 hPa at 20 °C
pH value	13 - 14
Density (g/cm3)	2.13
Odour	Odorless
Physical state at 20 °C	Solid

Safety Information and Hazard Symbols
Precaution Statement	P280-P305 + P351 + P338-P310
Hazardous Statement	H314
Symbol	GHS05
Signal Word	Danger
Packing Group	II

Specifications
Assay (acidimetric)	Min 98%
Phosphate (PO4)	Max 0.002%
Sulphate (SO4)	Max 0.003%
Arsenic (As)	Max 0.0004%
Heavy metals (as Pb)	Max 0.002%
Chloride (Cl)	Max 0.01%
Appearance	White deliquescent pellets or pearls
Iron (Fe)	Max 0.001%