Sodium metabisulfite97%min

Post Date:
Aug 08,2013
Expiry Date:
Feb 04,2014
Detailed Description:
Cas No. :7681-57-4 Quantity: 20Metric Tons
Specs:Inorganicsalt
Price:$280-$300 USD Metric Tons
Payment Method: T/T,L/C
Other Names: sodium pyrosulfite/ sodium disulfite
MF: Na2S2O5
EINECS No.: 231-673-0
Place of Origin:Shandong,China(mainland)
Grade Standard: Food Grade,Industrial Grade
Purity: 97%
Appearance: white or slight yellow crystalline form powder or small crystal
Application: used as bleaching agent, reducing agent, organic synthesis, ect.
Molecular Weight: 190.09
PH: 4.0-4.6
Prohibited Substance: strong acid, strong oxidant

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.
CAS Registry Number:
7681-57-4
Synonyms:
;Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;Sodium Metabisulfite (Food Grade);
Molecular Formula:
Na₂S₂O₅
Molecular Weight:
190.1065
Molecular Structure:
Hazard Symbols:
Xn:Harmful;
Risk Codes:
R22:;
R31:;
R41:;
Safety Description:
S26:;
S39:;
S46:;

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