1. Chemical Name: Sodium acetate anhydrous
2. Molecular Formula : C2H3NaO2
3. Molecular Weight: anhydrous (82.03)
4. CAS: anhydrous 127-09-3
5. Character: It is white crystalline powder or block, odorless, slight bitter. The relative density is 1.582. Melting point is 324℃. It has strong moisture absorption and highly dissolves in water.
6. Usage: It is used as buffering agent, seasoning reagent, etc.
7. Packing: It is packed with polythene bag as inner layer and polywoven bag as the outer layer. The net weight of each bag is 25kg.
8. Storage and Transport: It should be stored in a dry, clean and ventilative warehouse, and kept away from water and moisture during transport, unloaded with care as to avoid damage to bags. Be cautious to keep away from moisture and hot.
|
ITEM |
STANDARD |
|
Appearance |
White, odorless, hygroscopic powder |
|
Assay (Dry Basis, %) |
99.0-101.0 |
|
pH (1% Solution, 25℃) |
8.0- 9.5 |
|
Loss on Drying (120℃, 4 Hours, %) |
=< 1.0 |
|
Insoluble Matter (%) |
=< 0.05 |
|
Alkalinity (as NaOH, %) |
=< 0.2 |
|
Chlorides (Cl, %) |
=< 0.035 |
|
Formic acid, formates and other oxidizable (as formic acid) |
=< 1,000 mg/kg |
|
Phosphate (PO4) |
=< 10 mg/ kg |
|
Sulphate (SO4) |
=< 50 mg/ kg |
|
Iron (Fe) |
=< 10 mg/ kg |
|
Arsenic (As) |
=< 3 mg/ kg |
|
Lead (Pb) |
=< 5 mg/ kg |
|
Mercury |
=< 1 mg/ kg |
|
Heavy Metal (as Pb) |
=< 10 mg/ kg |
|
Potassium Salt (%) |
=< 0.025 |
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