Anhydrous sodium sulfite(High pure grade)
| Post Date: |
Jul 05,2013 |
| Expiry Date: |
Jan 01,2014 |
| Detailed Description: |
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 |
98.6 |
| Fe≤ % |
0.0005 |
0.0003 |
| Insoluble in water≤ % |
0.005 |
0.003 |
| Na2CO3≤
% |
0.1 |
0.001 |
| Na2SO4≤
% |
1.5 |
0.62 |
| Nacl≤ % |
0.005 |
0.0005 |
| Pb≤ % |
0.001 |
0.0002 |
| As≤ % |
0.0001 |
0.00002 |
| Sodium thiosulfate≤ % |
0.01 |
0.001 |
| Appearance of soluble |
white |
|
| Company: |
Dongying Fengyuan Chemical Co.,Ltd.
[ China ]
|
| Contact: |
Du Qiong |
| Tel: |
+86-546-8023567 13665460623 |
| Fax: |
+86-546-8022557 |
| Email: |
sales@fychem.cn |
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