Sodium thiosulfate sodium hyposulfite CAS:7772-98-7
Product Name |
Sodium Thiosuphate |
Appearance |
Colorless, transparent crystal or crystalline fine grain |
Formula |
Na2S2O3/Na2S2O3 5H2O |
CAS No. |
7772-98-7 |
EINECS No. |
231-867-5 |
ITEMS |
STANDARD |
TEST RESULT |
Appearance |
White powder crystal |
Pass |
Purity (%) |
97.0min |
98.03% |
The insoluble substance in water(%) |
0.01%max |
PASS |
Sulphide(%) |
0.001%max |
PASS |
Fe(%) |
0.005%max |
0.0007% |
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