Product name:Methylene blue
No.:A001
CAS No. 7220-79-3
M F: C16H18ClN3S.3H2O
Purity: 98%min
Property: Dark green crystal or crystalline powder, soluble in water, ethyl alcohol and trichloromethane; insoluble in ethyl ether.
Molecular weight: 373.9
Application: Bacterial stains; redox indicator;
Technical index |
Item | Result |
Content% | ≥98 |
Color change interval | Qualified |
Soluble test in ethyl alcohol | Qualified |
Drying loss % | ≤15 |
Biological dyeing test % | ≤0.5 |
Arsenic % | ≤0.005 |
Copper % | ≤0.03 |
Zinc % | ≤0.02 |