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Chloranil

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Chloranil Basic information
Chloranil Chemical Properties
  • Melting point:295-296 °C (dec.)
  • Boiling point:290.07°C (rough estimate)
  • Density 1,97 g/cm3
  • vapor pressure 1 hPa (71 °C)
  • Flash point:>100℃
  • storage temp. Store below +30°C.
  • solubility 0.25g/l practically insoluble
  • form Liquid
  • color Clear
  • Specific Gravity1.97
  • PH3.5-4.5 (100g/l, H2O, 20℃)(slurry)
  • Water Solubility insoluble
  • λmax510nm(CH2Cl2)(lit.)
  • Merck 14,2078
  • BRN 393006
  • CAS DataBase Reference118-75-2(CAS DataBase Reference)
  • NIST Chemistry Referencep-Benzoquinone, 2,3,5,6-tetrachloro-(118-75-2)
  • EPA Substance Registry SystemChloranil (118-75-2)
Safety Information
  • Hazard Codes Xi,N,Xn
  • Risk Statements 36/38-50/53-20
  • Safety Statements 37-60-61-22
  • RIDADR UN 3077 9/PG 3
  • WGK Germany 2
  • RTECS DK6825000
  • 8
  • Autoignition Temperature>400 °C
  • TSCA Yes
  • HazardClass 9
  • PackingGroup III
  • HS Code 29147090
  • Hazardous Substances Data118-75-2(Hazardous Substances Data)
  • ToxicityLD50 orally in Rabbit: 4000 mg/kg
MSDS
Chloranil Usage And Synthesis
  • Chemical PropertiesYELLOW-GREEN POWDER
  • Usesantipsoriatic
  • UsesTetrachloro-1,4-benzoquinone is a potential intermediate in the process of pentachlorophenol-induced carcinogenicity.
  • UsesAgricultural fungicide, dye intermediate, reagent. manufacture of electrodes for pH measurement.
  • DefinitionChEBI: A member of the class of 1,4-benzoquiones that is 1,4-benzoquinone in which all four hydrogens are substituted by chlorines.
  • General DescriptionYellow powder with a slight odor.
  • Air & Water ReactionsInsoluble in water.
  • Reactivity ProfileChloranil is sensitive to excessive light and heat. Chloranil is incompatible with strong oxidizing agents. Chloranil reacts with alkalis.
  • HazardSkin irritant.
  • Fire HazardFlash point data for Chloranil are not available; however, Chloranil is probably combustible.
  • Purification MethodsCrystallise p-chloranil from acetic acid, acetone, *benzene, EtOH or toluene, dry it in a vacuum over P2O5, or from acetic acid and drying over NaOH in a vacuum desiccator. It can be sublimed under vacuum at 290o. A sample may contain significant amounts of the o-chloranil isomer as impurity. Purify it by triple sublimation under vacuum and recrystallise before use. It is a skin and mucous membrane irritant. [UV: Pummerer et al. Chem Ber 85 545 1952, Brook J Chem Soc 5040 1952, Beilstein 7 IV 2083.]
Chloranil Preparation Products And Raw materials
Chloranil(118-75-2)Related Product Information
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