Anhydrous sodium sulfite(Refined Grade) Suppliers, Anhydrous sodium sulfite(Refined Grade) Manufacturers.
Molecular Formula: Na2SO3
Molecular Weight: 126.04
CAS NO: 7757-83-7
Appearance: white crystalline
powder
Character: with the smell of sulfur dioxide
, lose SO2 in the air,become the sulfate Solubility: soluble in water,slightly soluble
in alcohol,insoluble in liquid ammonia
Usages: Main used in printing
and dyeing,paper making,photo,food,pharmacy,petroleum chemical
and so on
Packing: 25kg PE bag or 1000kg/bag Product
specifications:
| Items | Index |
|
Standard |
Reference
value |
|
| Na2SO3 ≥% | 98.0 |
98.3 |
| Fe≤ % | 0.002 |
0.006 |
| Insoluble in water≤ % | 0.01 |
0.002 |
| Na2CO3≤ % | 0.3 |
0.12 |
| Na2SO4≤ % | 1.5 |
1.2 |
| Nacl≤ % | 0.02 |
0.003 |
| Pb≤ % | 0.002 |
0.0005 |
| As≤ % | 0.0005 |
0.00005 |
| Sodium thiosulfate≤ % | 0.02 |
0.01 |
| Appearance of soluble | white |
|
Company： |
Dongying Fengyuan Chemical Co.,Ltd. |
E-mail： |
chem@netsun.com |
Address： |
Donger Road,Dongying City |
Zip Code： |
257102 |
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