Product Information
Sodium hydrosulfite (Na₂S₂O₄) is a powerful reducing agent used in dyeing processes, with a reduction potential around −700 mV, and is typically employed in combination with sodium hydroxide to achieve effective dye reduction.
Product Description
|
Molecular Formula |
Na2S2O4 |
|
Molecular Weight |
174.108 |
|
CAS |
7775-14-6 |
|
EINECS |
231-890-0 |
|
Purity |
74% min, 85% min, 88% min, 90% min |
|
Appearance |
White crystalline powder |
|
Packaging |
50 kg/drum |
COA
|
ITEM |
SPECIFICATION |
TEST RESULT |
|
NA2SO3 CONTENT |
97.0%MIN |
97.7% |
|
SODIUM SULPHATE |
2.5%MAX |
2.0% |
|
SODIUM CHLORIDE (NACL) |
0.1%MAX |
0.05% |
|
IRON (FE) |
0.002%MAX |
0.0012% |
|
WATER INSOLUBLE |
0.03%MAX |
0.01% |
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