Product Description
Product Information
|
Product Name |
Sodium Hydrosulphite/Sodium Hydrosulfite |
Purity |
85% 88% 90% |
|
CAS NO. |
7775-14-6 |
Appearance |
White Crystal Powder |
|
MF |
Na2S2O4 |
HS Code |
2831101000 |
|
EINECS NO. |
231-890-0 |
UN NO. |
1384 |
Certificate Of Analysis
|
SODIUM HYDROSULFITE 85% |
||
|
ITEM |
STANDARD |
TESTING RESULT |
|
Purity(wt%) |
85min |
85.84 |
|
Na2CO3(wt%) |
3-4 |
3.41 |
|
Na2S2O3(wt%) |
1-2 |
1.39 |
|
Na2S2O5(wt%) |
5.5 -7.5 |
6.93 |
|
Na2SO3(wt%) |
1-2 |
1.47 |
|
Fe(ppm) |
20max |
18 |
|
Water lnsoluble |
0.1 |
0.05 |
|
HCOONa |
0.05max |
0.04 |
|
Appearance |
White crystalline powder |
|
|
Odor |
No or light sulfurous acid |
|
|
SODIUM HYDROSULFITE 88% |
|||||
|
Na2S2O4% |
Water insolubles% |
Heavy Metal Content(ppm) |
Na2CO3% |
Fe(ppm) |
Zn(ppm) |
|
88 MIN |
0.05MAX |
1MAX |
1-5.0 |
20MAX |
1MAX |
|
88.59 |
0.043 |
0.34 |
3.68 |
18 |
0.9 |
|
APPRIENCE:WHITE CRYSTALLINE POWDER |
|||||
|
ODOR: ORDORLESS OF SULFUR DIOXIDE |
|||||
Application Area
Used for reducing dyeing,reducing cleaning,printing and decorating in the textile industry.
Hot Tags: sodium hydrosulfite 85% 88% 90%, China, manufacturers, suppliers, factory, cheap, discount, quotation, low price, free sample
