Lonza Inc.

Martin Venetz

Christoph Taeschler

Christian Schnider

Ulrich Mayerhoeffer

Stefan Tille

Claudio Arnold

Michael Bittel

Rolf Kalbermatten

Stefan Garms

Manuel Favre

Guy Raboud

Kilian Schnydrig

Christophe Girard

Thomas Eggel

The invention discloses a method for the continuous preparation of n-butyl nitrite with a low content of n-butanol comprising the reaction of n-butanol, an acid and NaNOin a continuous way, in which the n-butanol, an acid and NaNOare mixed in a mixing device which provides for a pressure drop of at least 1 bar; the acid is selected from the group consisting of HCI, HSO, formic acid, methanesulfonic acid, and mixtures thereof; and the amount of HCI is at least 1.02 molar equivalent based on the molar amount of n-butanol.

Method for preparation of n-butyl nitrite

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Brig-Glis, Switzerland

Martin Venetz