Sodium Sulfite Emprove
ürün Kodu : 106652.1000Sorunuz!
106652.1000
Sodium sulfite extra pure
Ürün bilgisi
Grade
Ph Eur,BP,NF,E 221
Hill Formula
Na2O3S
Chemical formula
Na2SO3
HS Code
2832 10 00
EC number
231-821-4
Molar mass
126.04 g/mol
CAS number
7757-83-7
Kimyasal ve fiziksel veri
Solubility
220 g/l (20 °C)
Melting point
>500 °C (decomposition)
Molar mass
126.04 g/mol
Density
2.63 g/cm3 (20 °C)
Bulk density
1480 kg/m3
pH value
8.8 - 10 (50 g/l, H2O, 20 °C)
Güvenlik bilgisi
Storage class
10 - 13 Other liquids and solids
WGK
WGK 1 slightly water endangering
Disposal
6
Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.
Toksikolojik veri
LD 50 oral
LD50 rat 2610 mg/kg
Spesifikasyonlar
Assay
- iodometric
95.0 - 100.5 %
- SO2
≥ 48 %
Identity
passes test
Appearance of solution
passes test
Thiosulfate (S2O3)
≤ 0.04 %
Heavy metals (as Pb)
≤ 0.0005 %
As (Arsenic)
≤ 0.0002 %
Hg (Mercury)
≤ 0.0001 %
Fe (Iron)
≤ 0.001 %
Pb (Lead)
≤ 0.0005 %
Se (Selenium)
≤ 0.0004 %
Zn (Zinc)
≤ 0.00250 %
Residual solvents (Ph. Eur./ICH)
excluded by the manufacturing process
Residues of metal catalysts or metal reagents acc.to EMEA/CH MP/SWP/4446/2000 are not likely to be present.