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Potassium tetroxalate dihydrate

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Potassium tetroxalate dihydrate Basic information

Product Name:
Potassium tetroxalate dihydrate
Synonyms:
  • POTASSIUM TETRAOXALATE
  • POTASSIUM TETRAOXALATE DIHYDRATE
  • POTASSIUM OXALATE (2:1) DIHYDRATE
  • Ethanedioic acid,potassium salt, hydrate (2:1:2)
  • Potassium trihydrogen oxalate dihydrate
  • Oxalic acid, potassium salt dihydrate,99%,extra pure
  • Potassium Tetraoxalate Dihydrate [for Determination of pH]
  • Potassium tetraoxalate dihydrate,Oxalic acid hemipotassium salt
CAS:
6100-20-5
MF:
C2H5KO5
MW:
148.16
EINECS:
612-064-2
Product Categories:
  • Biochemicals and Reagents
  • Chelators
  • Materials Science
  • Metal and Ceramic Science
  • Potassium Salts
  • Salts
  • Classes of Metal Compounds
  • K (Potassium) Compounds (excluding simple potassium salts)
  • Typical Metal Compounds
  • Aliphatics
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
Mol File:
6100-20-5.mol
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Potassium tetroxalate dihydrate Chemical Properties

Density 
1,84 g/cm3
storage temp. 
Inert atmosphere,Room Temperature
solubility 
H2O: 0.1 M at 20 °C, clear, colorless
form 
Crystalline Powder or Solid
color 
White to beige
PH
1.7 (12.6g/l, H2O, 25℃)
Water Solubility 
soluble
Merck 
14,7689
BRN 
3854419
Stability:
Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference
6100-20-5(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
21/22
Safety Statements 
24/25
RIDADR 
UN 3261 8/PG 3
WGK Germany 
1
TSCA 
Yes
HS Code 
2917 11 00
HazardClass 
6.1
PackingGroup 
III

MSDS

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Potassium tetroxalate dihydrate Usage And Synthesis

Chemical Properties

white crystalline powder or colourless crystals

Uses

A method of utilizing a solution of Oxalic acid potassium salt, dihydrate 99 % to react with calcium in the dentinal fluid forming an insoluble white precipitate of calcium oxalate which occludes the dentinal tubules causing decreased sensitivity, permeability and acid penetration of the dentin.

Uses

Potassium trihydrogen dioxalate dihydrat is used in metal polishing determination of pH. And it is also used in photography, marble grinding, and to remove ink stains.

Purification Methods

Crystallise it from water below 50o. Dry it below 60o at 760mm. [See potassium oxalate above, Beilstein 2 IV 1823.]

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