Product Details
Manufacturer Supply Best Quality Methyl red 493-52-7 with Efficient Transportation
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
Methyl red, a red crystalline powder. A commonly used indicator for acid-base titration, which appears red in acidic solutions and yellow in alkaline solutions. In microbiology, it can also be used to identify certain metabolic characteristics of bacteria.
