MERCK 105057 Potassium disulfite for analysis EMSURE®. CAS No. 16731-55-8, EC Number 240-795-3
MERCK

MERCK 105057 Potassium disulfite for analysis EMSURE®. CAS No. 16731-55-8, EC Number 240-795-3

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Stok Kodu
SLV.M.105057.1000
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56,85 EUR + KDV
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Description
Catalogue Number 105057
Synonyms Potassium metabisulfite, Potassium pyrosulfite
Product Information
CAS number 16731-55-8
EC number 240-795-3
Hill Formula K₂O₅S₂
Chemical formula K₂S₂O₅
Molar Mass 222.33 g/mol
HS Code 2832 20 00
Applications
Application Potassium disulfite for analysis EMSURE®. CAS No. 16731-55-8, EC Number 240-795-3.
Physicochemical Information
Melting Point 150 °C (decomposition)
pH value 3.0 - 4.5 (50 g/l, H₂O, 20 °C)
Bulk density 1000 - 1300 kg/m3
Solubility 450 g/l
Toxicological Information
LD 50 oral LD50 Rat 2300 mg/kg
Safety Information according to GHS
Hazard Pictogram(s)

Hazard Statement(s) H318: Causes serious eye damage.
H335: May cause respiratory irritation.
EUH031: Contact with acids liberates toxic gas.
Precautionary Statement(s) P280: Wear eye protection.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
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 TT4920000
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 Irritant
Categories of danger irritant
R Phrase R 31-37-41
Contact with acids liberates toxic gas.Irritating to respiratory system.Risk of serious damage to eyes.
S Phrase S 26-39
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.
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) ≥ 96 %
In water insoluble matter ≤ 0.005 %
Chloride (Cl) ≤ 0.005 %
As (Arsenic) ≤ 0.0001 %
Cu (Copper) ≤ 0.001 %
Fe (Iron) ≤ 0.0005 %
Pb (Lead) ≤ 0.001 %
Zn (Zinc) ≤ 0.001 %
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MERCK 105057 Potassium disulfite for analysis EMSURE®. CAS No. 16731-55-8, EC Number 240-795-3 SLV.M.105057.1000
MERCK 105057 Potassium disulfite for analysis EMSURE®. CAS No. 16731-55-8, EC Number 240-795-3

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