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sodium pyrosulfite_7681-57-4_sodium metabisulfite
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Meorient Import & Export Co.LTD
China - Hangzhou
Trading Company
Trade Capacity
Export Percentage
Nearest Port
Hangzhou,Shanghai
Accepted Delivery Terms
Employees
5-10人
Accepted Payment Currency
USD,CNY
Average Lead Time
45 Day(s)
Certifications
Product Specifications
--Product Description
Product name: sodium pyrosulfite_7681-57-4_sodium metabisulfite
CAS No.: 7681-57-4
Molecular Formula:Na2S2O5
Molecule Weight:190.10
Appearance:White or light yellow crystalline powder
HS Code:28321000
Quality standard: GB1893-86
Specification
|
Specifications |
Industrial Grade |
Food Grade |
|
Na2S2O5%≥ |
96.0 |
68.0 |
|
SO2%≥ |
64.0 |
64.0 |
|
Iron(Fe)%≤ |
0.005 |
0.005 |
|
Water insolubles%≤ |
0.05 |
0.05 |
|
PH |
4.0-4.6 |
4.0-4.6 |
|
Arsenic(As)%≤ |
0.01 |
0.002 |
|
Heavy metals, as Pb %≤ |
|
0.0002 |
Usage:
1,Industrial grade: It is used in leather,priniting and dyeing etc.
2,Foodgrade : is used as a food additive, mainly as a preservative and is sometimes identified as E223
Package:25kg pp bag ,22MT /20'FCL
Delivery time:Within 15days after received your workable payment
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