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Chromium potassium sulfate dodecahydrate

Chromium potassium sulfate dodecahydrate  Structure
Chromium potassium sulfate dodecahydrate
  • CAS No.7788-99-0
  • Chemical Name:Chromium potassium sulfate dodecahydrate
  • CBNumber:CB6307992
  • Molecular Formula:CrH24KO20S2
  • Formula Weight:499.4
  • MOL File:7788-99-0.mol
Chromium potassium sulfate dodecahydrate Property
  • Melting point: :89 °C(lit.)
  • Density  :1.83
  • storage temp.  :Store at +15°C to +25°C.
  • solubility  :water: soluble(lit.)
  • form  :Solid
  • color  :Violet
  • PH :3 (50g/l, H2O, 20℃)
  • Odor :Odorless
  • Water Solubility  :24 g/100 mL (15 ºC)
  • Merck  :14,2229
  • Stability: :Stable. Incompatible with magnesium, aluminium.
  • CAS DataBase Reference :7788-99-0(CAS DataBase Reference)
  • Indirect Additives used in Food Contact Substances :CHROME ALUM
  • FDA UNII :H54D055WX6
Safety
  • Hazard Codes  :Xi
  • Risk Statements  :36/38
  • Safety Statements  :22-24/25-37/39-26
  • WGK Germany  :2
  • RTECS  :GB6850000
  • TSCA  :Yes
  • HS Code  :28332990
  • NFPA 704:
    0
    1 0
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H315-H319
  • Precautionary statements P264-P280a-P305+P351+P338-P321-P332+P313-P337+P313
Chromium potassium sulfate dodecahydrate Price More Price(43)
  • Brand: Sigma-Aldrich
  • Product number: 243361
  • Product name : Chromium(III) potassium sulfate dodecahydrate
  • Purity: ACS reagent, ≥98%
  • Packaging: 5g
  • Price: $56.4
  • Updated: 2021/12/16
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 243361
  • Product name : Chromium(III) potassium sulfate dodecahydrate
  • Purity: ACS reagent, ≥98%
  • Packaging: 100g
  • Price: $72.8
  • Updated: 2021/12/16
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 1.01036
  • Product name : Chromium(III) potassium sulfate dodecahydrate
  • Purity: for analysis EMSURE? ACS,Reag. Ph Eur
  • Packaging: 250 g
  • Price: $144.3
  • Updated: 2021/12/16
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: 036715
  • Product name : Chromium(III) potassium sulfate dodecahydrate, ACS, 98.0-102.0%
  • Purity: 
  • Packaging: 500g
  • Price: $138
  • Updated: 2021/12/16
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: 036715
  • Product name : Chromium(III) potassium sulfate dodecahydrate, ACS, 98.0-102.0%
  • Purity: 
  • Packaging: 100g
  • Price: $46.2
  • Updated: 2021/12/16
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Chromium potassium sulfate dodecahydrate Chemical Properties,Usage,Production

  • Chemical Properties deep violet-red crystals
  • Uses Chromium potassium sulfate dodecahydrate is used in preparation of chromium standard solutions.
  • Uses Chromium potassium sulfate dodecahydrate is used in method for synthesizing metal-organic terephthalate structure MIL-101 (Cr).
  • General Description
    Chromium(III) potassium sulfate dodecahydrate (Potassium chromium(III) sulfate dodecahydrate, Chrome alum) is a violet colored solid. It has been synthesized by reacting sulfur dioxide with potassium dichromate (diisolved in sulfuric acid) at -38°C. It is widely used chemical in dyeing and textile industry.
  • Purification Methods Crystallise it from hot water (2mL/g) by cooling.
Chromium potassium sulfate dodecahydrate Preparation Products And Raw materials
Raw materials
Preparation Products
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