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sodium metabisulfite 7681-57-4 CAS NO.7681-57-4
- FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T,
- Available Specifications:
1(1-10)Metric Ton
- Product Details
Keywords
- sodiumpyrosulfite(na2s2o5);Sodium dissulfite
- metabisulfitedesodium;Sodiummetabisufite;sodiummetabisulfite(na2-s2o5)
- low price high quality
Quick Details
- ProName: sodium metabisulfite 7681-57-4
- CasNo: 7681-57-4
- Molecular Formula: Na2O5S2
- Appearance: White to yellowish powder
- Application: food additive;water treatment
- DeliveryTime: Within 3-7 days after receipt of your ...
- PackAge: 25kg in pp bag (plastic inside with th...
- Port: QINGDAO
- ProductionCapacity: 100 Metric Ton/Day
- Purity: 98%
- Storage: Store in a cool,dry place and keep awa...
- Transportation: By Sea,by Air,By courier like DHL or F...
- LimitNum: 1 Kilogram
- Moisture Content: 0.01%
- Impurity: 0.01%
- NW: 190.11
Superiority
Main Service
1.Own made fine chemical products
2.Out sourcing and quality controlling service in China
3. COM for Chemical synthesis
4.Lab custom synthesis of API and intermadiates
Quality Assurance
1. NMR，HPLC and COA can be supplied
2. Free sample for testing
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1.Own made fine chemical products
2.Out sourcing and quality controlling service in China
3. COM for Chemical synthesis
4.Lab custom synthesis of API and intermadiates
Quality Assurance
1. NMR，HPLC and COA can be supplied
2. Free sample for testing
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Details
Product name: sodium metabisulfite / sodium metabisulphite
Molecular formula: Na2S2O5
Molecular weight: 190.10
Specification: 25Kg woven bag
Quality guarantee period: 6 months
Uses: Food additive, preservative, decolorizer, reducing agent, rubber coagulator, mineral separation, developing agent, sewage treating agent
Property: white or light yellow powder
Executive standard: GBl983-1998
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Item
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Index
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Testing result
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|
main content(Na2S2O5)%
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≥95.0
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96.83
|
|
iron (Fe)%
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≤0.005
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0.0006
|
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heavy metal(Pb)%
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≤0.001
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0.0002
|
|
arsenic(As)%
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≤0.0002
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0.00008
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water insoluble %
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≤0.005
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0.0007
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pH
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4.0-4.6
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4.3
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clarity
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slightly turbid
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slightly turbid
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chloridion(Cl)ppm
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0.18
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Storage: please store in cool, dry and ventilated warehouse
Transportation: seperate from acid, oxidizing agent and toxic products; please pay attention to rain, moisture and sunshine
