You can purchase methyl green that is methyl violet free from Sigma.  This
will eliminate handling/potential exposure to carcinogenic chloroform.  It
is fun to do the extraction, but a tidge messy, you would need a good
chemical fume hood.


Gayle Callis
Histopathology Supervisor
Veterinary Molecular Biology
Montana State University - Bozeman
Bozeman MT 59717-3610

406 994-6367
404 994-4303 (FAX)