| Property: | Strong alkali |
| HS Code: | 2815110000 |
| Molecular weight: | 40.01 |
| Property: | Caustic soda (NaOH), also known as sodium hydroxide is a strong, clear to hazy, liquid base. It is produced (along with chlorine and hydrogen) via the diaphragm or newer membrane electrolytic process, yielding a high purity caustic soda solution. |
| Specification: | Industrial Grade according to GB/T209-2006 |
| Storage: | 1.Stored in ventilated and dry warehouse or shed and the container must be sealed 2.Avoiding mixing and transporting with combustibles and acids 3.Avoiding rain and moisture during transportation 4.Don not use glass cork but rubber plugs when stored in glass bottles, or it is difficult to open after the reaction between caustic soda and silicon dioxide. |
Items | Index | ||
Purity(NaOH) : | 99.0% min | 98.0% min | 96.0% min |
Sodium Carbonate(Na2CO3): | 0.5% max | 0.8% max | 1.4% max |
Sodium Chloride(NaCl) : | 0.03% max | 0.05% max | 2.8% max |
Iron(Fe) : | 0.005% max | 0.008% max | 0.01% max |
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