NILE CHEMICALS

CAS No.	76 - 59 - 5
Chemical Formula	C27H28Br2O5S
Molecular Weight	624.40
Melting Point	200 - 202° c
Dye Content	~95%
Solution Clarity	To pass
Transition Range	pH 5.8 - 7.6 Yellow - Blue
Absorption Max (pH 5.8)	430 - 435 nm
Absorption Max (pH 7.6)	615 - 618 nm
Absorptivity (1%/1cm) pH 5.8	260 - 300
Absorptivity (1%/1cm) pH 7.6	470 - 520
Loss On Drying (110° c)	< 3%

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