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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

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