1. Another name: Caustic soda
English name: sodium hydroxide; caustic soda
2.Molecular formula: NaOH
3.Molecular weight:40.00
4.UN NO.1823
H.S. CODE NO.2815.11.00
English name: sodium hydroxide; caustic soda
2.Molecular formula: NaOH
3.Molecular weight:40.00
4.UN NO.1823
H.S. CODE NO.2815.11.00
5.Appearance:Colorless crystals
6.Melting point:318.4°C
Boiling point:1390°C
Relative density:2.130
7.Solubility
easily soluble in water, and strongly exothermic;
soluble in ethanol and glycerin;
insoluble in acetone and ether
Specification:
|
ITEMS
|
STANDARD
|
TEST RESULTS
|
|
SODIUMHYDROXIDE (NAOH)
|
≥ 99%
|
99.10%
|
|
SODIUM CARBONATE(NA2CO3)
|
≤ 0.8%
|
0.45%
|
|
SODIUM CHLORIDE (NACL)
|
≤ 0.08%
|
0.05%
|
|
FERRIC OXIDE (FE2O3)
|
≤ 0.005%
|
0.002%
|