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Product Description

Methyl Red

CAS NO. : 493-52-7

Chemical Formula : C15H15N3O2

Molecular Weight : 269.31 gm/mole

Melting Point :    179-182° C

Dye Content :    =>95%
Absorption Max (pH4.5):    523-526 nm
Absorption Max (pH6.2):    430-434 nm
Absorptivity (1%,1cm) pH 4.5 : >1330
Absorptivity (1%,1cm) pH 6.2 : >700
Transition Range : pH 4.2 - 6.2 red - yellow
Loss On Drying (110° c)  :  < 5%


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