Material safety data sheets should give this information as would a Merck 
index.  Sometimes companies like Aldrich have this in their product 
description in their catalog too or EMS will tell you via tech services.

  At 05:52 PM 1/10/2006, you wrote:
>Hi all,
>
>   Our lab director wants us to try using carbowax polyethylene glycol as 
> an embedding medium because it has a slightly higher melting point than 
> our paraffin. I have never used it other than in formulations for frozen 
> sections, in which case it is water soluble.  One of the other techs here 
> thinks that it is always water soluble.  Does anyone know for sure?
>
>   The specifics are:  ems product #19770, PEG 8000 flakes, melting point 
> 60-63 degrees.
>
>   T

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



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