- Product Details
- {{item.text}}
Quick Details
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MF:
-
Na2S2O5
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EINECS No.:
-
231-673-0
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Place of Origin:
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SHN
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Appearance:
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white flake
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Application:
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Formaldehyde
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Brand Name:
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HJC
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Package:
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25kg/bag
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Certificate:
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ISO9001
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MOQ:
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1 Kg
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Sample:
-
Availiable
Quick Details
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CAS No.:
-
7681-57-4
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Purity:
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99.5%
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Other Names:
-
Sodium Metabisulphite
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MF:
-
Na2S2O5
-
EINECS No.:
-
231-673-0
-
Place of Origin:
-
SHN
-
Appearance:
-
white flake
-
Application:
-
Formaldehyde
-
Brand Name:
-
HJC
-
Package:
-
25kg/bag
-
Certificate:
-
ISO9001
-
MOQ:
-
1 Kg
-
Sample:
-
Availiable
Product Description
99% Sodium Metabisulfite / sodium pyrosulfite / Sodium Metabisulphite
CAS 7681-57-4 Na2S2O5
Used as bleach, preservative, loose agent, antioxidant, color protection and fresh-keeping agent. Used in industry for printing and dyeing, organic synthesis, printing, leather and so on. Used as bleach, mordant, reducing agent, rubber coagulant, also used in organic synthesis, spices and so on. Organic intermediates, dyes, leather used as reducing agents, used as electroplating, oilfield wastewater treatment and used as mineral processing agents in mines.
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Component
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Industrial Grade
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Feed Grade
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Deying Grade
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High Purity Grade
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|||
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Appearance
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White or yellowish crystalline powder
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|
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Content (Na2S2O5）
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96.5%min
|
97.0%min
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96.5%min
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98%min
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|||
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Water soluble matter
|
0.05%max
|
0.03%max
|
0.05%max
|
0.02%max
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|||
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Iron content (Fe)
|
0.005%max
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0.003%max
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0.005%max
|
0.002%max
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Arsenic (As)
|
0.0001%max
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0.0001%max
|
0.0001%max
|
0.0001%amx
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|||
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Pb
|
0.0005%max
|
0.0002%max
|
-
|
0.0003%max
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Specification
|
item
|
value
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|
Type
|
Sodium Metabisulfite
|
|
CAS No.
|
7681-57-4
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|
Other Names
|
sodium pyrosulfite
|
|
MF
|
Na2S2O5
|
|
Purity
|
98%
|
|
Appearance
|
white powder
|
|
Certificate
|
ISO9001
|
|
MOQ
|
1 Kg
|
|
Sample
|
Availiable
|
Packing & Delivery
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