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Isophorone



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Product Description
Physical and Chemical Properties:
Physical state and appearance Solid
Odor Mild phenolic
Molecular Weight 228.29 g mol−1
pH (1% soln/water) NE
Color Slight yellow liquid with camphor odor
Boiling Point 220 °C (493 K) / 4 mmHg
Flash point 227°C
Melting Point 158 to 159 °C (430 K)
Specific Gravity 0.923 @ 20° C
Vapor Pressure 41 PA @ 20° C
Vapor Density 5.7
Odor Threshold 0.2 PPM
Solubility 12G/L @ 20° C
Acidity (as acetic acid) wt% 0.01 max.
Purity (total ketone), wt% 99 min
Water content 0.1 max.

Application:
  • In the construction industry, Isophorone is used as corrosion protection on bridges, scaffolding or sluices.
  • Isophorone is added to automobile paint and it improves the properties of fuel and oil filters as a special coating for paper.
  • Isophorone is used as an intermediate in manufacturing mainly polyurethane field compounds such as Isophorone Diamine, Isophorone Di isocyanate. It is also used as a chemical intermediate and as an ingredient in wood preservatives and floor sealants.
  • Isophorone is used as a solvent in some printing inks, paints, varnishes, lacquers, adhesives, copolymers, PVC, coatings, finishing and pesticides. It is a preferred solvent for many natural and synthetic polymers, resins, fats, and oils.
  • It is also used in formulating Pesticides, Herbicides as an inert ingredient. It is used in vinyl chloride/acetate-based coating systems for metal cans, other metal paints, nitrocellulose finishes, and printing inks for plastics.

Production:
  • Isophorone can be prepared by :
  • Passing acetone vapor over a catalyst bed of magnesium aluminate, zinc oxide-bismuth oxide, or calcium oxide under pressure at 300-400°C.
  • Reacting acetone, water (up to 30%), and potassium hydroxide (≅1%) in a column under a pressure of about 35 atm and at a temperature of about 200°C (Papa and Sherman 1981). Commercial isophorone usually contains some unconjugated isomer (up to 5%) and small amounts (
  • Isophorone tends to discolor on prolonged storage; stabilization against color formation can be provided by treatment with p-toluenesulfonic acid, acidified Fuller's earth, diazines, or diisopropylamine.

Product Code : 04

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