1. Chemical Name: SODIUM HYDROXIDE FLAKES
C.A.S. No.: 1310-73-2
Trade Name: Caustic Soda, Dry, Solid, Flake
Synonyms: Caustic Soda, Dry, Sodium Hydroxide, Flake NaOH
Chemical Formula: NAOH
Chemical Family: Alkali
Labeling: Corrosive
D.O.T. Packing Group: II
D.O.T. Identification No.: UN 1823
D.O.T. Hazard Guide: #154
D.O.T. Shipping Name: Sodium Hydroxide, Dry, Solid, Flake
D.O.T. Hazard Class: 8
Placard: UN 1823
2. Ingredients and Hazards
Principal Component: NAOH
Trace impurities-remainder is water
Reaction: This material reacts violently with acids. Reacts with aluminum, tin, zinc and generates flammable hydrogen gas.
3. Physical Data
Boiling Point: 1390
Vapor Pressure(kPa)0.13(739)
Vapor Density (Air=1): N/A
Specific Gravity (H2O=1): 2.12
Molecular Weight: 40.01
Appearance/Odor: White hygroscopic flake. No Odor.
Percent Volatile by Volume: Non-volatile at room temperature.
Evaporation Rate: Solid.
Solubility in Water: At 20=52.8% by weight.
4 . Transportation
Usual Shipping Containers: multilayer bags.
Usual Shelf Life: Sealed containers, unlimited.
Storage/Transport Temperatures: Ambient.
Suitable Storage Material/Coatings: Steel, plastic, PE (when dry).
Unsuitable: Aluminum or galvanized containers.
Other Information: Keep containers sealed to avoid absorption of moisture.
5.CERTIFICATE OF ANALYSIS
THE RESULT AS FOLLOWS
COMMODITY 99% type | SPECIFICATIONS SODIUM HYDROXIDE | TEST RESULT SODIUM HYDROXIDE |
APPEARANCE | WHITE FLAKE | WHITE FLAKE |
NaOH% ≥ | 99.0% | 99.21% |
Na2CO3 ≤ | 0.5% | 0.35% |
NaCL% ≤ | 0.03% | 0.04% |
Fe2O3 ≤ | 0.005% | 0.004% |
QUANTITY/WEIGHT DECLRED | OK |
caustic soda sodium hydroxide flakes 99%