3-Chlorobutanone (3-Cl-MEK)

$3-Chlorobutanone (3-Cl-MEK)

Colourless to brownish, mobile, lachrymatory liquid with a pungent odour

  • CAS No. 4091-39-8
  • Empirical formula C4H7ClO
  • Molecular weight 106.6


  • Lead time: campaign production, several tons usually held in stock.
  • Scale >500 MT
  • Building block for heterocycles (g.g. imidazoles, thiazoles, pyrroles, thiophenes, thiazines, 1,3,4-thiadiazines)
  • Building block for the synthesis of pharmaceuticals (e.g. Sulfamoxole, Sulfisoxazole, Sulfoguanole)
  • For synthesis of pesticides (Butocarboxim, Butoxicarboxim, Dimethipin)
  • For synthesis of aroma chemicals


Drum with PE-inner liner 205l (200 kg net)


Storage stability for at least: 24 months
Do not store above 25 °C.

Further information for storage: Keep in the original container in a cool well ventilated place. Keep container dry and tightly closed. Conditions for storage rooms and vessels: Do not store in containers made of aluminum or other light metals.

Storage beyond the recommended period does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

Sales and support

Wacker Chemical Corporation
3301 Sutton Road
Adrian, MI 49221-9397
United States
+1  888  922-5374 (Phone)

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