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Merck - 1010360250 - Chromium(III) potassium sulfate dodecahydrate

  • MFR SKU: 1010360250
  • ITEM #: 7230023
  • 0 Reviews / 0 Questions
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ITEM #: 7230023
for analysis EMSURE® ACS, Reag. Ph Eur
This listing is for 250 g Plastic bottle

Merck - 1010360250 - Chromium(III) potassium sulfate dodecahydrate

  • Item #: 7230023
  • MFR SKU: 1010360250
  • Catalogue Number 101036
  • Synonyms Potassium chromium(III) sulfate, Alum chrome
  • Chromium(III) potassium sulfate dodecahydrate
  • CAS number 7788-99-0
  • EC number 233-401-6
  • Grade ACS, Reag. Ph Eur
  • Hill Formula CrKOS * 12 HO
  • Chemical formula KCr(SO) * 12HO
  • Molar Mass 499.41 g/mol
  • HS Code 2833 30 00
  • Quality Level MQ300
  • Density 1.83 g/cm3 (20 ° C)
  • Melting Point 89 ° C
  • pH value 3 (50 g/l, HO, 20 ° C)
  • Bulk density 800 - 1000 kg/m3
  • Solubility 250 g/l
  • Hazard Pictogram(s)
  • Hazard Statement(s) H315: Causes skin irritation.
  • H319: Causes serious eye irritation.
  • Precautionary Statement(s) P264: Wash skin thoroughly after handling.
  • P280: Wear protective gloves/ eye protection/ face protection.
  • P302 + P352: IF ON SKIN: Wash with plenty of water.
  • P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P332 + P313: If skin irritation occurs: Get medical advice/ attention.
  • P337 + P313: If eye irritation persists: Get medical advice/ attention.
  • Signal Word Warning
  • RTECS GB6845000
  • Storage class 10 - 13 Other liquids and solids
  • WGK WGK 3 highly hazardous to water
  • Disposal 14
  • Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
  • Categories of danger irritant
  • Storage Store at +15° C to +25° C.
  • Assay (iodometric) 99.0 - 102.0 %
  • Identity passes test
  • Insoluble matter ≤ 0.01 %
  • Chloride (Cl) ≤ 0.002 %
  • Heavy metals (as Pb) ≤ 0.01 %
  • Al (Aluminium) ≤ 0.005 %
  • Cu (Copper) ≤ 0.001 %
  • Fe (Iron) ≤ 0.010 %
  • NH (Ammonium) ≤ 0.010 %
  • Pb (Lead) ≤ 0.005 %

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