Sodium bisulfite
- CAS number
- 7631-90-5
- Molecular weight
- 104.06
- Molecular formula / chemical symbol
- NaHSO3
Description
White crystalline powder with sulfur dioxide odor, soluble in water, slightly soluble in alcohol. Easily oxidized in the air for the sodium sulfate and the relative density (water = 1): 1.48 (20 ° C).
USES
Used
as a bleaching agent, mordant, vegetable dehydration and preservatives,
photographic reducing agent, pharmaceutical, electroplating, paper and other
help rinse agent.
Report
|
TEST ITEMS |
TEST RESULT |
||
|
|
( AR) |
(CP) |
Industrial Grade |
|
SO2 |
58.5-65.0 |
58.5-65.0 |
58.5-65.0 |
|
Clarity Test |
Qualified |
Qualified |
- |
|
Water insoluble matter |
≤ 0.005 |
0.01 |
0.1 |
|
Chloride (Cl) |
≤ 0.01 |
0.02 |
- |
|
(Fe) |
≤ 0.001 |
0.002 |
- |
|
(As) |
≤ 0.0001 |
0.0002 |
- |
|
Heavy metals (as Pb) |
≤ 0.001 |
0.002 |
- |