Methylene Blue
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Description
Basic information
Product Name: N-Acetyl-L-Cysteine
Appearance: White crystals or crystalline powder
Purity: 98% min
Spec: USP39
CAS No.: 616-91-1
MF: C5H9NO3S
Introduction
Methylene blue, also known as methylthioninium chloride, has a molecular formula: C16H18ClN3S•3H2O, which is a green, shiny columnar crystal or crystalline powder. Odorless, no change in the exposed air, easily soluble in water and alcohol. Methylene blue is widely used in chemical indicators, dyes, biological dyes and drugs.
Specifications
|
Item |
Standard |
Results |
|
Assay（C16H18ClN3S） |
98%min |
98.6% |
|
Colour change interval |
Qualified |
Qualified |
|
Loss on drying |
≤15.0% |
10.1% |
Residue on ignition(Sulfate) | ≤0.5% | 0.35% |
As | ≤0.0005% | 0.0004% |
Zn | ≤0.02% | 0.01% |
Cu | ≤0.03% | 0.002% |
Solubility in ethanol | Qualified | Qualified |
Conclusion | The product above complies with the above standard | |
General Uses
Make inks and lakes, as well as dyeing biological and bacterial tissues.
Dyeing of cotton, hemp, silk fabric, paper and the coloring of bamboo and wood.
Used in ornamental fish farming for disinfection or treatment of diseases such as white spot disease.
Packing
25kg/Drum
