SODIUM HYDROXIDE PELLETS
SODIUM HYDROXIDE PELLETS AR
Confirming to BP, USP
Short Name: SODIUM HYDROXIDE PELLETS
Synonym: Caustic soda
Basic Details
Article No.
LG4159
Grade
AR
Purity
98%
CAS No.
1310-73-2
HS Code
2815.1190
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White pellets
Odour
Odorless
pH value
13 - 14
Melting point/ Freezing point [°C]
318 °C
Boiling point [°C]
1390°C
Vapour pressure [20°C]
Vapour density
>1
Density [g/cm3]
2.13
Solubility in water [% weight]
111 g/100 g of water
Chemical Specifications
Appearance
White deliquescent pellets or pearls
Assay (acidimetric)
98 - 100.5%
Identity (acc. to pharmacopoeias)
Passes test
Appearance of solution
Passes test
Insoluble matter in water
Max 0.025%
Sodium carbonate (Na2CO3)
Max 1.0%
Chloride (Cl)
Max 0.005%
Sulphate (SO4)
Max 0.003%
Phosphate (PO4)
Max 0.001%
Silicate (SiO2)
Max 0.001%
Total nitrogen (N)
Max 0.0003%
Heavy metal (as Pb)
Max 0.002%
Iron (Fe)
Max 0.001%
Nickel (Ni)
Max 0.001%
Calcium (Ca)
Max 0.005%
Potassium (K)
Max 0.05%
Magnesium (Mg)
Max 0.002%
Mercury (Hg)
Max 0.00001%
Safety Information & Hazard Symbols
Symbol
GHS05
Signal Word
Danger
UN No.
1823
IMCO Class No.
8
Packing Group
II
Hazardous Statement
H314
Precaution Statement
P280-P305 + P351 + P338-P310