Sodium hydroxide
CAS number: 1310-73-2
Molecular formula: NaOH
Molecular weight: 40
Appearance: white and shiny, allowing slight color.
Performance: strong hygroscopicity, soluble in water, corrosive, and neutralize with acids to form salts.
Uses: Mainly used in papermaking, soap making, textiles, printing and dyeing, chemical brazing, pesticides, petrochemicals; medicine, food, and chemical water treatment in power systems.
Packing: Packed with two woven and one plastic, 25Kg per bag.
Transportation and storage: Solid sodium hydroxide should be stored in a dry warehouse, and packaging should be protected from damage, pollution, moisture and contact with acids.
| China Dangerous Regulation Number: |
82001 |
| UN number: |
Solid alkali 1823, liquid alkali 1824 |
| LMDG page number: |
Solid alkali 8225, liquid alkali 8226 |
| Packaging mark: |
Corrosive |
| Packing category: |
Type II packaging |
Safety: Sodium hydroxide is highly corrosive. Operators must wear protective glasses, rubber gloves and other labor protection equipment.
Executive standard: GB 11212-89
| |
Gifted class |
First level |
| Sodium hydroxide %≥ |
99.5 |
99.0 |
| Sodium sulfate %≤ |
0.02 |
0.04 |
| Sodium chloride%≤ |
0.45 |
0.50 |
| Iron trioxide %≤ |
0.004 |
0.005 |
| Silica%≤ |
0.004 |
0.006 |
| Sodium sulfate %≤ |
0.050 |
0.070 |
| Copper%≤ |
0.0002 |
0.0003 |
| Calcium%≤ |
0.005 |
0.008 |
