NILE CHEMICALS

METHYL RED
 
SPECIFICATION SHEET

PRODUCTS

CAS No. 493-52-7
C.I.No. 13020
Chemical Formula C15H15N3O2
Molecular Weight 269.31
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%
 

Also Available Methyl Red Sodium Salt Cas no 845-10-3

 

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