sodium hydroxide powder

Sodium Hydroxide Powder

Specification

Sr.No Tests Specifications

1

Descriptions`

White Deliquescent Powder

2

Assay (min)

98.5%

3

Carbonate (as Na2CO3

<1%

4

Chloride

<0.005%

5

Sulphate(SO4)

<0.003%

6

Phosphate(PO4)

<0.002%

7

Silica(SiO2)

<0.01%

8

Aluminium(Al)

<0.001%

9

Heavy Metals(as Pb)

<0.0005%

10

Potassium(K)

<0.1%

11

Total Nitrogen(N)

<0.0005%

12

Arsenic(As)

<0.0004%

13

Iron(Fe)

<0.001



Properties

Chemical formula

NaOH

Molecular weight

40

Absolute density, g/cm3

2.13

Melting point, °C

318.4

Boiling point, °C

1390

Solubility in water*,
g/100g H2O

42@ 0°C

114 @ 25°C

347 @ 100°C