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Chloral Basic information
  • Product Name:Chloral
  • CAS:75-87-6
  • MF:C2HCl3O
  • MW:147.39
  • EINECS:200-911-5
  • Mol File:75-87-6.mol
Chloral Chemical Properties
  • Melting point:-57.5°C
  • Boiling point:94-98 °C
  • Density 1.51 g/mL at 20 °C(lit.)
  • refractive index n20/D 1.456
  • Flash point:75°C
  • storage temp. 2-8°C
  • pka10.04(at 25℃)
  • Water Solubility Soluble
  • Merck 13,9699
  • Stability:Stable. Flammable. Incompatible with strong oxidizing agents.
  • CAS DataBase Reference75-87-6(CAS DataBase Reference)
  • IARC2A (Vol. 63, 84, 106) 2014
  • NIST Chemistry ReferenceAcetaldehyde, trichloro-(75-87-6)
  • EPA Substance Registry SystemChloral (75-87-6)
Safety Information
Chloral Usage And Synthesis
  • Chemical Propertiescolourless oily liquid with a pungent odour
  • Chemical PropertiesChloral is a combustible, oily liquid with a pungent irritating odor.
  • Usesmanufacture of chloral hydrate, DDT.
  • UsesChloral is used in medicine as a hypnotic.
  • DefinitionA colorless liquid aldehyde made by chlorinating ethanal. It was used to make the insecticide DDT. It can be hydrolyzed to give 2,2,2- trichloroethanediol (chloral hydrate, CCl3CH(OH)2). Most compounds with two –OH groups on the same carbon atom are unstable. However, in this case the effect of the three chlorine atoms stabilizes the compound. It is used as a sedative.
  • Production MethodsChloral can be prepared by action of Cl2 on ethanol, chlorination of acetaldehyde, oxidation of 1,1,2-trichloroethylene in the presence of a catalyst (FeCl3, AlCl3, TiCl4 or SbCl3, and by reaction of CCl4 with formaldehyde.
  • General DescriptionA colorless oily liquid with a penetrating odor. Reacts with water and denser than water. Contact may irritate skin, eyes and mucous membranes. Toxic by ingestion and inhalation. Used to make pesticides.
  • Air & Water ReactionsChloral is sensitive to exposure to moisture and light. Soluble in water. Chloral reacts with water to form chloral hydrate.
  • Reactivity ProfileChloral reacts with water to form chloral hydrate. Chloral polymerizes under the influence of light and in the presence of sulfuric acid forming a white solid trimer called metachloral.
  • HazardToxic by ingestion. Probable carcinogen.
  • Health HazardINHALATION: Sore throat, shortness of breath, drowsiness, irritation of respiratory tract, unconsciousness. EYES: Redness, pain and blurred vision. SKIN: Redness and pain. INGESTION: Dizziness, drowsiness, nausea, and unconsciousness. Acute hazard: Poison may be fatal if inhaled, swallowed, or absorbed through skin.
  • Safety ProfileA poison. Mutation E data reported.
  • Potential ExposureChloral is used as an intermediate in the manufacture of such pesticides as DDT, methoxychlor, DDVP, naled, trichlorfon, and TCA. Chloral is also used in the production of chloral hydrate; used as a therapeutic agent with hypnotic, sedative, and narcotic effects; used in a time prior to the introduction of barbiturates
  • ShippingUN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.
  • Purification MethodsDistil chloral, then dry it by distilling through a heated column of CaSO4. [Beilstein 1 H 616, 1 I 328, 1 II 467, 1 III 2663, 1 IV 3142 for anhydr, 1 IV 3143 for hydrate.]
  • IncompatibilitiesChloral hydrate reacts with strong bases forming chloroform. Contact with acids, or exposure to light may cause polymerization. Reacts with water, forming chloral hydrate. Reacts with oxidizers, with a risk of fire or explosions.
  • Waste DisposalIncineration after mixing with another combustible fuel; care must be taken to assure complete combustion to prevent phosgene formation; an acid scrubber is necessary to remove the halo acids produced.
Chloral Preparation Products And Raw materials
Chloral(75-87-6)Related Product Information
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