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3583745 
Journal Article 
SURFACE MODIFICATION OF CHRYSOTILE ASBESTOS WITH ORGANIC-REAGENTS - A PRELIMINARY INVITRO TOXICOLOGICAL STUDY 
Habashi, F; Awadalla, FT; Page, M 
1991 
84 
945 
67-79 
WOS:A1991EV58600009 
Chrysotile asbestos can be dyed with certain dyestuffs to form stable coloured products whose hemolytic and cytotoxicity are greatly reduced. Examples of these dyes are Thiazol Yellow G (a monazo dye) and Trypan Blue (a diazo dye). Other dyestuffs, for example, basic dyes with triphenylmethane structure, Brillant Yellow (a diazo dye), and Methylene Blue (a thiazine dye) colour asbestos but do not reduce its toxicity. Similarly alizarin, 8-hydroxyquinoline, and representative members of the phthalein group Bromocresol Purple and Phenolphthalein. 
CHRYSOTILE ASBESTOS; DYESTUFFS; CYTOTOXICITY; HEMOLYSIS