Merck 106657 Sodium Sulfite Anhydrous EMSURE® - 1 kg

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106657.1000
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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

Description
Catalogue Number106657

Merck 106657 Sodium Sulfite Anhydrous EMSURE® - 1 kg

Product Information
CAS number7757-83-7
EC number231-821-4
GradeReag. Ph Eur
Hill FormulaNa₂O₃S
Chemical formulaNa₂SO₃
Molar Mass126.04 g/mol
HS Code2832 10 00

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

Physicochemical Information
Density2.63 g/cm3 (20 °C)
Melting Point>500 °C (decomposition)
pH value8.8 - 10 (50 g/l, H₂O, 20 °C)
Bulk density1480 kg/m3
Solubility220 g/l

Toxicological Information
LD 50 oralLD50 Rat 2610 mg/kg

Safety Information according to GHS
Storage class10 - 13 Other liquids and solids
WGKWGK 1 slightly water endangering
Disposal6
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
StorageStore at +5°C to +30°C.

Transport Information
Declaration (railroad and road) ADR, RIDKein Gefahrgut
Declaration (transport by air) IATA-DGRNo Dangerous Good
Declaration (transport by sea) IMDG-CodeNo Dangerous Good

Specifications
Assay (iodometric)97.0 - 100.5 %
Identitypasses test
Appearance of solutionpasses test
Insoluble matter≤ 0.005 %
Free acidpasses 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 EMSURE® - 1 kg Merck 106657 Sodium Sulfite Anhydrous EMSURE® - 1 kg I Merck 106657 Sodium Sulfite Anhydrous EMSURE® 1 kg ambalaj. CAS 7757-83-7, laboratuvar analizleri ve sentezler için yüksek saflıkta orijinal Merck ürünü. 106657.1000
Merck 106657 Sodium Sulfite Anhydrous EMSURE® - 1 kg

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