CAS No.: | 149-44-0 |
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Formula: | Nahso2.CH2o.2H2O |
EINECS: | 205-739-4 |
Type: | Synthesis Material Intermediates |
Appearance: | Lump |
Quality: | Industrial |
Samples: |
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Customization: |
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Item
|
First grade
|
Superior grade
|
NaHSO2·CH2O Content%
|
98% min.
|
99% min.
|
State of Solution
|
Be soluble in water
and appear in clarification or microturbidity |
Be soluble in water
and appear in clarification or microturbidity |
Sulphide
|
Not in dark
|
Not in dark
|
Alkalinity as sodium carbonate
|
3.0% max.
|
1.5% max.
|
Odor
|
Slight
|
Slight
|
Cu & Mn
|
5ppm max.
|
3ppm max.
|
Item |
Standard |
Result |
Conclusion |
NaHSO2.CH2O.2H2O |
≥98.0% |
99.2% |
Pass |
Solution |
Clear or shight turbid |
Slight turbid |
Pass |
No black |
No black |
Pass |
|
Appearance |
White powder |
White powder |
Pass |
Cu content |
/ |
/ |
/ |
Mn content |
/ |
/ |
/ |
Solubility in benzene |
Insoluble |
Insoluble |
Pass |
Conclusion |
First class product |
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