Method for the preparation of n-propyl bromide

Details Method for the preparation of n-propyl bromide Method for the preparation of n-propyl bromide

2007-05-15

2007-05-15

Puttlitz, Karl (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

C570S246000

Reexamination Certificate

active

10495232

ABSTRACT:
A method is described for producing n-propyl bromide of a high degree of purity, which contains isopropyl bromide in an amount lower than 0.1% w/w, and usually lower than 0.05%. The method is characterized in that n-propanol is reacted with HBr which is in gas form, preferably dry, and which is in excess over the stoichiometric amount, wherein the excess HBr is at the end of the reaction in an aqueous solution formed from the reaction water. The invention further relates to N-propyl bromide of high purity, containing typically less than 500 ppm of isopropyl bromide.

REFERENCES:
patent: 5138110 (1992-08-01), Segall et al.
patent: 2002/0151447 (2002-10-01), Henry
patent: 0 446 537 (1991-09-01), None

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