Assay: 99%
Appearance: Shiny purple crystal or reddish brown powder
Capacity: Depending on the order
Packaging: 25kg/fiber drum
Sample: available
related documents:
- COA of Methyl red CAS 493-52-7
- TDS of Methyl Red CAS 493-52-7
Methyl Red CAS 493-52-7
Description
Methyl Red
Quick Details
Product Name:Methyl Red
CAS No:493-52-7
Molecular Fomula:C15H15N3O2
Molecular weight:269.3
Appearance:Shiny purple crystal or reddish brown powder
Assay:99%
Molecular Strycture: 
Typical Properties
| Item | Specifications |
| maximum absorption wavelength，λ1 （PH4.5）,nm |
523~528 |
| λ2（PH6.2）,nm | 427~437 |
| Mass absorption coefficient，λ1 （PH4.5）,L/(cm·g) ≥ |
130 |
| λ2（PH6.2）,L/(cm·g) ≥ | 70 |
| PH domain color | 4.5 (red) to 6.2 (yellow) |
| Ethanol dissolution test | Qualified |
| Loss on drying≤ | 1 |
| Residue on ignition (Sulfate)≤ | 0.2 |
Usage
PH indicator, absorption indicator.
Package
25kg/fiber drum.
Storage
Treasury is ventilated, low temperature and dry;