High Quality Methyl Red CAS 493-52-7
Methyl Red CAS 493-52-7 Supplier in China
1. Specification of Professional manufacture for Methyl Red CAS:493-52-7
Item | Specifications | Results |
maximum absorption wavelength,λ1(PH4.5),nm | 523~528 | 523 |
λ2(PH6.2),nm | 427~437 | 430 |
Mass absorption coefficient,λ1(PH4.5),L/(cm·g) ≥ | 130 | 146.0 |
λ2(PH6.2),L/(cm·g) ≥ | 70 | 73 |
PH domain color | 4.5 (red) to 6.2 (yellow) | 4.5 (red) to 6.2 (yellow) |
Ethanol dissolution test | Qualified | Qualified |
Loss on drying≤ | 1.0 | 0.4 |
Residue on ignition (Sulfate)≤ | 0.2 | 0.03 |
Conclusion | The results conforms with Enterprise standards |
2.Package of Professional manufacture for Methyl Red CAS:493-52-7
Photo of Methyl Red in the bag:
3. Usage of Professional manufacture for Methyl Red CAS:493-52-7
Used as acid-base indicator.
China
