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Sodium bisulfite 500g Sichuan pharmaceutical grade sodium bisulfite 7631-90-5 Sodium bisulfite 500g Sichuan pharmaceutical grade sodium bisulfite 7631-90-5 Sodium bisulfite is an inorganic substance, the chemical formula is NaHSO3, It is a white crystalline powder with an unpleasant odor of sulfur dioxide
.
Molecular formula: NaHSO3 Molecular weight: 104.
0609CAS No.
: 7631-90-5EINECS No .
:
231-673-0 Density: 1.
48g/cm3 Melting point: 150℃ This product is easily soluble in water and almost insoluble in ethanol .
【Identification】 (1) The aqueous solution (1→20) of this product is acidic, showing the identification reaction of bisulfite (Appendix III) .
(2) The aqueous solution of this product shows the identification reaction of sodium salt (Appendix III) .
Preparation of supersaturated solution of sodium bisulfite in aqua regia by oxalic acid Upstream raw materials: soda ash, sulfur dioxide, sulfur, solvent, sodium carbonate Downstream products: 1-(2',5'-dichloro-4' -Sulfonyl phenyl)-3-methyl-5-pyrazolone, bis-J acid, 4-ethyl sulfate sulfonyl aniline, 1,3-propyl sultone, hydroxylamine, hydrochloride, sulfuric acid Kanamycin, Analgin, Iodophor, Industrial Rapid Penetrant
.
Molecular formula: NaHSO3 Molecular weight: 104.
0609CAS No.
: 7631-90-5EINECS No .
:
231-673-0 Density: 1.
48g/cm3 Melting point: 150℃ This product is easily soluble in water and almost insoluble in ethanol .
【Identification】 (1) The aqueous solution (1→20) of this product is acidic, showing the identification reaction of bisulfite (Appendix III) .
(2) The aqueous solution of this product shows the identification reaction of sodium salt (Appendix III) .
Preparation of supersaturated solution of sodium bisulfite in aqua regia by oxalic acid Upstream raw materials: soda ash, sulfur dioxide, sulfur, solvent, sodium carbonate Downstream products: 1-(2',5'-dichloro-4' -Sulfonyl phenyl)-3-methyl-5-pyrazolone, bis-J acid, 4-ethyl sulfate sulfonyl aniline, 1,3-propyl sultone, hydroxylamine, hydrochloride, sulfuric acid Kanamycin, Analgin, Iodophor, Industrial Rapid Penetrant
