Shanghai Yixin Chemical Co., Ltd.
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Caustic Soda Flakes 99%, Water Treatment Caustic Soda NaOH Pearls
Sodium Hydroxide, also called caustic soda, is a white solid inorganic compound with the chemical formula NaOH. It is a strong base with a molar mass of 40.00 g/mol, and it is highly soluble in water but insoluble in other solvents. It has a refractive index of 1.4. It is available in three forms, including sodium hydroxide pearls, sodium hydroxide pellets, and sodium hydroxide granules.
| Item | Quality Index | Results |
| Total alkali content | 99.2% min | 99.51% |
| Chlorides (NaCl) | 0.7% max | 0.46% |
| Sulphate(SO4) | 0.03% max | 0.015% |
| Iron(Fe2O3) | 0.004% max | 0.001% |
| Water insoluble matter | 0.04% max | 0.01% |
| Result | First grade | |
1. Used in the production of paper and cellulose pulp.
2. Used for the production of soap, synthetic detergents, synthetic fatty acids.
3. Used as cloth desizing agent, scouring agent and silk polish agent in textile printing .
4. Used in the production of borax, sodium cyanide, formic acid etc in the chemical industry.
