Re: [Histonet] source for paraaldehyde

From:Gayle Callis

Because paraldehyde is a controlled substance, you can substitute
acetaldehyde.  Peggy Wenk did this and may respond to your inquiry.  The
equivalent is 2.5 ml acetaldehyde instead of 1.5 ml paraldehyde. Peggy had
a Letter to Editor in J of Histotechnology, Dec 1996 on page 353 discussing
this.  Acetaldehyde is not controlled nor it is very expensive.  Any
reliable chemical distributor should have it. 

Gayle Callis
Research Histopathology Supervisor
Veterinary Molecular Biology 
Montana State University - Bozeman
PO Box 173610
Bozeman MT 59717-3610
406 994-6367 (lab with voice mail)
406 994-4303 (FAX)

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