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| Price: | US $ 270/Ton |
|---|---|
| Min Order: | 25/Ton |
| Pay Type: | L/C,T/T,D/P,Western Union,Paypal |
Property: white or light yellow crystal powder, a strong smell of sulfur dioxide,relative density is 1.4, easy to dissolve in water and glycerin, water solution. It has acidity,and its solubility will become large while raising the temperature and is less to dissolve in ethanol.
Molecular Formula : Na2S2O5
Molecule Weight : 190.12
CAS NO .: 7681-57-4
Appearance : White Free Flowing Fine Crystal or Powder
Packing: Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.
Specification For Food Grade and Industry Grade :
White powder sodium metabisulfite price 97%
| Item | Food Grade | Industry Grade | |
| Purity ( As Na2S2O5)% | 98min | 97min | |
| Sulfur Dioxide( SO2)% | 65.0min | 65.0min | |
| Arssnic (As)% | 0.0002max | -- | |
| Heavy Metals (As Pb)% | 0.0005max | -- | |
| Selenium (As Se)% | 0.0005max | -- | |
| Iron (As Fe)% | 0.001max | 0.002max | |
| Water Insoluble% | 0.02max | 0.05max | |
| PH Value | 4.0-4.8 | 4.0-4.8 | |
| Item | Quality Index | |
| Pharmaceutical Grade | Photo Grade | |
| Purity ( As Na2S2O5) | 98.0% min | 98.0% min |
| Sulfur Dioxide( SO2) | 65.0% min | 65.0% min |
| Thiosulphate ( As S2O3) : | 0.05 % max | 0.05% max |
| Chloride ( As CL-) : | 30 ppm max | 50ppm max |
| Arsenic ( As ) : | 1ppm max | 1ppm max |
| Lead ( Pb ) : | 1 ppm max | 2ppm max |
| Copper (Cu) : | 1 ppm max | 1ppm max |
| Iron (Fe ) : | 5 ppm max | 5ppm max |
| Mercury (Hg) : | 0.1ppm max | 1ppm max |
| Chromium (Cr) : | 1 ppm max | - |
| Selenium (Se ) : | 1 ppm max | 5ppm max |
| Zinc (Zn) | 1 ppm max | 1ppm max |
| Cadmium (Cd ) | 1ppm max | - |
| Nickel (Ni) | 1ppm max | - |
| Na2SO3 + Na2SO4 | 1.5% max | - |
| PH value : | 4.0-4.8 | 4.0-4.8 |
| Remark : | Conformed with USP standard | |
PACKING: 25kg pp bag or 1000kg jumbo bag
DELIVERY: 10-15days after received your prepayment or original LC
FAQ
Q: Are you trading company or manufacturer of sodium metabisulfite price?
A: We are a trading company with a wide range products,and have good realationship with the factories.
Q: How long is your delivery time?
A: Generally it is 7-10 days, if we have stock. If not, maybe need 10-15 days to arrange the shipping.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: We can do TT payment, 100%LC at sight and DP.
If you have another question, pls feel free to contact us as below:
| Prod Model: | Food grade |
|---|---|
| MF: | Na2S2O5 |
| CAS No.: | 7681-57-4 |
| EINECS No.: | 231-673-0 |
| Application: | Food additives, cleaning agent |
| Sample: | available |
| Market: | worldwide |
| Inspection: | SGS |
| Appearance: | Powder |
| Grade Standard: | Food Grade |
