Code:km-326

Product name: Methyl red
CAS No.: 493-52-7
Molecular formula: C₁₅H₁₅O₂N₃
Molecular weight: 269.30
PH indicator range: 4.5(red)~6.2(yellow)
Residue on ignition (as sulfate): 0.2%max
Mass-absorption coefficient λ1(PH4.5),L/(cm·g): 130min
                                        λ2(PH6.2),L/(cm·g): 70min
Maximum absorption wavelength λ1(PH4.5),nm: 523~528
                                                λ2(PH6.2),nm: 427~437
Loss on drying: 1.0%max