Merck 105057 1000 Potassium Disulfite Gr For Analysis 1 KG.

Merck 105057 1000 Potassium Disulfite Gr For Analysis 1 KG.

58.18 ( KDV Dahil )

for analysis EMSURE® CAS #: 16731-55-8 EC Number: 240-795-3

Stok kodu: 105057.1000 Kategoriler: ,


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
Quality Level MQ300

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 Pictogram(s)
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) P261: Avoid breathing dust.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear eye protection/ face protection.
P304 + P340 + P312: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
Signal Word Danger
RTECS TT4920000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
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
Categories of danger irritant

Storage and Shipping Information
Storage Store at +2°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

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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