pH Range of Malachite green
0.0 - 2.0
pH Range of Methyl yellow
2.9 - 4.0
pH Range of Bromophenol Blue
3.0 - 4.6
pH Range of Methyl orange
3.2 - 4.4
pH Range of Bromocresol green
4.0 - 5.4
pH Range of Methyl red
4.2 - 6.2
pH Range of Bromocresol purple
5.2 - 6.8