MERCK 106528 Sodium disulfite (sodium metabisulfite) for analysis EMSURE® ACS,Reag. Ph Eur. CAS 7681-57-4, pH 3.5 - 5 (50 g/l, H₂O, 20 °C)
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MERCK 106528 Sodium disulfite (sodium metabisulfite) for analysis EMSURE® ACS,Reag. Ph Eur. CAS 7681-57-4, pH 3.5 - 5 (50 g/l, H₂O, 20 °C)

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KİMYASAL ÜRÜNLER
Stok Kodu
M.106528.1000
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37,93 EUR + KDV
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Description
Catalogue Number 106528
Synonyms Sodium metabisulfite, Sodium pyrosulfite, Disulfite, Pyrosulfite
Product Information
CAS number 7681-57-4
EC index number 016-063-00-2
EC number 231-673-0
Grade ACS,Reag. Ph Eur
Hill Formula Na₂O₅S₂
Molar Mass 190.11 g/mol
HS Code 2832 10 00
Applications
Application Sodium disulfite (sodium metabisulfite) for analysis EMSURE® ACS,Reag. Ph Eur. CAS 7681-57-4, pH 3.5 - 5 (50 g/l, H₂O, 20 °C).
Physicochemical Information
Density 2.36 g/cm3 (20 °C)
Melting Point 150 °C (decomposition)
pH value 3.5 - 5 (50 g/l, H₂O, 20 °C)
Bulk density 1000 - 1200 kg/m3
Solubility 650 g/l
Toxicological Information
LD 50 oral LD50 Rat 1540 mg/kg
LD 50 dermal LD50 Rat > 2000 mg/kg
Safety Information according to GHS
Hazard Pictogram(s)

Hazard Statement(s) H302: Harmful if swallowed.
H318: Causes serious eye damage.
EUH031: Contact with acids liberates toxic gas.
Precautionary Statement(s) P280: Wear eye protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P313: Get medical advice/ attention.
Signal Word Danger
RTECS UX8225000
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.
Safety Information
Hazard Symbols Harmful
Categories of danger harmful, irritant
R Phrase R 22-31-41
Harmful if swallowed.Contact with acids liberates toxic gas.Risk of serious damage to eyes.
S Phrase S 26-39-46
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.If swallowed, seek medical advice immediately and show this container or label.
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) 98.0 - 100.5 %
Identity passes test
Appearance of solution passes test
pH-value (5 %; water) 3.5 - 5.0
Insoluble matter ≤ 0.005 %
Chloride (Cl) ≤ 0.005 %
Thiosulfate (S₂O₃) ≤ 0.05 %
Thiosulphate (S₂O₃) passes test
Heavy metals (as Pb) ≤ 0.001 %
As (Arsenic) ≤ 0.0001 %
Fe (Iron) ≤ 0.0005 %
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MERCK 106528 Sodium disulfite (sodium metabisulfite) for analysis EMSURE® ACS,Reag. Ph Eur. CAS 7681-57-4, pH 3.5 - 5 (50 g/l, H₂O, 20 °C) M.106528.1000
MERCK 106528 Sodium disulfite (sodium metabisulfite) for analysis EMSURE® ACS,Reag. Ph Eur. CAS 7681-57-4, pH 3.5 - 5 (50 g/l, H₂O, 20 °C)

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