Sodium metabisulfite with high purity and competitive price CAS NO.7681-57-4
- FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: T/T,MoneyGram,Other
- Available Specifications:
1(1-2)Metric Ton
- Product Details
Keywords
- sodium sulphite
- Sodium metabisulfite
- bkebdp
Quick Details
- ProName: Sodium metabisulfite with high purity ...
- CasNo: 7681-57-4
- Molecular Formula: Na2S2O5
- Appearance: powder & cystal
- Application: chemical
- DeliveryTime: 3 days after payment
- PackAge: HDPE bags
- Port: any port in china
- ProductionCapacity: 1000 Metric Ton/Day
- Purity: 95%min
- Storage: Dry palce
- Transportation: by sea , by express
- LimitNum: 1 Kilogram
- Related Substances: 0.001max
- Residue on Ignition: 0.001max
- Heavy Metal: 0.001max
Superiority
Welcome to contact and satisfied your requirement :
1.Fast delivery
2.Strong packing
3.Best quality
4.Competitive price
5.Mature technical support
6.Professional logistic support
Details
English name: sodium metabisulfite/cas:7681-57-4
Molecule formula:na2s2o5
Molecule weight:190.10
Physical properties:
it is white or tiny yellow crystal powder. its relative density is 1.4. the solubility is 54g/100mlwater at 20°c or 81.7g/100mlwater at 100°c,and the solution show acidity. it can solute in glycerine and little in alcohol. when exposed in air, it will oxidized into sodium sulfate, and can react with strong acid into sulfur dioxide gas and the salts. it is deliquescent, and will decompose when heated to 150°c.
State santandard:gb1893-86
Index
sodium pyrosulfite |
≥(so2)65% |
iron |
≤0.005% |
value of ph |
4—4.6 |
heavy metal (pb)% |
≤0.002% |
(as)% |
≤0.0001% |
appearance |
white or tiny yellow crystal powder |