MERCK 106657 Sodium sulfite anhydrous for analysis EMSURE® Reag. Ph Eur. CAS No. 7757-83-7, EC Number 231-821-4
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MERCK 106657 Sodium sulfite anhydrous for analysis EMSURE® Reag. Ph Eur. CAS No. 7757-83-7, EC Number 231-821-4

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KİMYASAL ÜRÜNLER
Stok Kodu
M106657.1000
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42,54 EUR + KDV
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Description
Catalogue Number 106657
Product Information
CAS number 7757-83-7
EC number 231-821-4
Grade Reag. Ph Eur
Hill Formula Na₂O₃S
Chemical formula Na₂SO₃
Molar Mass 126.04 g/mol
HS Code 2832 10 00
Applications
Application Sodium sulfite anhydrous for analysis EMSURE® Reag. Ph Eur. CAS No. 7757-83-7, EC Number 231-821-4.
Physicochemical Information
Density 2.63 g/cm3 (20 °C)
Melting Point >500 °C (decomposition)
pH value 8.8 - 10 (50 g/l, H₂O, 20 °C)
Bulk density 1480 kg/m3
Solubility 220 g/l
Toxicological Information
LD 50 oral LD50 Rat 2610 mg/kg
Safety Information according to GHS
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.
Storage and Shipping Information
Storage Store at +5°C to +30°C.
Transport Information
Declaration (railroad and road) ADR, RID Kein Gefahrgut
Declaration (transport by air) IATA-DGR No Dangerous Good
Declaration (transport by sea) IMDG-Code No Dangerous Good
Specifications
Assay (iodometric) 97.0 - 100.5 %
Identity passes test
Appearance of solution passes test
Insoluble matter ≤ 0.005 %
Free acid passes test
Titrable free base ≤ 0.03 meq/g
Chloride (Cl) ≤ 0.02 %
Thiosulfate (S₂O₃) ≤ 0.1 %
Heavy metals (as Pb) ≤ 0.0005 %
As (Arsenic) ≤ 0.0001 %
Cu (Copper) ≤ 0.0005 %
Fe (Iron) ≤ 0.001 %
Pb (Lead) ≤ 0.0005 %
Se (Selenium) ≤ 0.0004 %
Zn (Zinc) ≤ 0.001 %
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MERCK 106657 Sodium sulfite anhydrous for analysis EMSURE® Reag. Ph Eur. CAS No. 7757-83-7, EC Number 231-821-4 M106657.1000
MERCK 106657 Sodium sulfite anhydrous for analysis EMSURE® Reag. Ph Eur. CAS No. 7757-83-7, EC Number 231-821-4

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