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Home - Products - Biological Stains & pH Indicators -
BROMO THYMOL BLUE
SPECIFCIATION
 PRODUCT NAME  BROMO THYMOL BLUE
 CAS NUMBER  76 - 59 - 5
 CHEMICAL FORMULA  C27H28Br2O5S
 MOLECULAR WEIGHT  624.40
 MELTING POINT
 200 - 202° c
 DYE CONTENT  ~95%
 SOLUTION CLARITY  To pass
 TRANSITION RANGE  < 1%
 ABSORPTION MAX (PH 5.8)  pH 5.8 - 7.6 Yellow - Blue
 ABSORPTION MAX (PH 7.6)  430 - 435 nm
 ABSORPTIVITY (1%/1CM) PH 5.8  615 - 618 nm
 ABSORPTIVITY (1%/1CM) PH 7.6  260 - 300
 LOSS ON DRYING (110° C)  470 - 520
 
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