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Epichlorohydrin

Definition

Epichlorohydrin (ECH or EPI) is a highly reactive chemical intermediate.

In its pure form, it is a clear, colorless liquid.

The presence of both an epoxide ring and a chlorine atom in the molecule allows epichlorohydrin to readily undergo a variety of chemical reactions with many types of compounds.

This versatility earns its wide use as a chemical intermediate

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Epichlorohydrin is flammable and considered as a hazardous chemical.

If released into the environment, however, it biodegrades rapidly.

Direct, prolonged contact with pure Epichlorohydrin as liquid can severely damage the skin and eyes.

Vapors may also produce eye irritation and damage to cornea of the eye.

Epichlorohydrin is a probable carcinogen, a poison that can cause death at higher exposures, a mutagen and a skin sensitizer.

Occupational exposures are possible; however, consumer exposures are not likely because end-use products are expected to contain only trace levels of Epichlorohydrin.

Industrial operations use Epichlorohydrin in closed systems and are designed with engineering controls to minimize personnel and environmental exposures.

The primary process for producing Epichlorohydrin consists of three steps:
  1. Chlorination of propylene to form allyl chloride
  2. Reaction of the allyl chloride with hypochlorous acid to produce glycerol dichlorohydrin
  3. Reaction of the glycerol dichlorohydrin isomers with sodium hydroxide or calcium hydroxide to produce Epichlorohydrin.

Epichlorohydrin is produced out of propylene or natural glycerin.

The new processes developped to use glycerin offer the advantage to be more energy efficient and to operate with a natural renewable feedstock.

Approximately 76% of the world’s consumption of (EPI) is used to make epoxy resins.

The Dow Chemical and Solvay are the biggest producers of Epichlorohydrin

For more information and data about oil and gas and petrochemical projects go to Project Smart Explorer

2 Comments to “Epichlorohydrin”

  1. Established in1975, EPOLAB has been dedicated in the development of versified series of epoxy resin. With competition in the technology industry and dynamic market changes, EPOLAB gradually developed adhesive, sealant, LED potting compound, solder mask ink, high-voltage coil potting, putty, composite prepreg material, thermal conductivity materials and so on.

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