Chemical Auxiliaries

  • Ethylene Diamine four Ethanoic Acid

Ethylene Diamine four Ethanoic Acid

  • ethylene diamine four ethanoic acid,EDTA
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The ethylene diamine four ethanoic acid(EDTA)


The ethylene diamine four ethanoic acid(EDTA)   instruction

  Commodity nameEDTA
  Molecular formula
C10H16N2O8
  Molecular weight
M=292.2
  Technical specification(GB\T1401-1998)


  Item

Target

Appearance

White crystallization powder

Content%

99.0%

PH(Saturated Solution,25)

2.5-2.9

Transparency test

Transparent

Chloride(CL)%

0.001

Sulfate(SO4)%

0.001

Storage time25

Long term storage


  The Performance
  The ethylene diamine four ethanoic acid are one kind of white crystallization   powder, melting point 240 
 (decomposition);The   solubility in the water the solubility is 0.5g/L (25 ),It doesn't dissolve in the common organic solvent,but it is   able to dissolve in 160 boiling water and sodium hydroxide such as alkazid   .When it reaches 150,the rendency of taking   off the carboxyl will display.

The mainusege
  EDTA is wide-used.Which is the cheating representative substance .It can form   the stable water-solube compound witn alkaline metal,the rare-earth element   and the transition metal etc.It is widely applied polymer chemistry   industry,the everyday use chemical industry, the papermaking industry, the   pharmaceutical industry, the agriculture, the textile printing industry, the   photography chemical, the oil field chemical,the water treatment medicinal   preparation, the boiler cleansing agent and the analytical reagent. In   addition ,the EDTA can make rapid detoxication by pumping eht harmful   radicative metal from the human body.

Packing
  The packing material is kraft paper established bag with the 25kg insode   lining palstic bag.It can also be packed according the customer 's request.   The storing guides against the exposes to the sun,the moisture and the   fire.It showld be stored as non- dangerous material .




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