Audited Supplier
AR
61-73-4
C16h18cln3s
200-515-2
High Purity Material
CP
For Biological Purpose
Standard
Laboratory Reagents, Analytical Reagents
Concrete
Fine Chemicals
Scientific Research
319.9
Dark Green Crystals or Powder
100 to 110 &Deg with Decomposition)
Stable Under Recommended Storage Conditions.
Sinochembt
25 Kgs Fiber Drums
Shenyang
3204901000
Product Description
A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator.
| Item Name | Requirements | Results |
| Assay, percent | Min 98.0 | 98.7 |
| Change color range | Passes | Passes |
| Solubility in ethanol test | Passes | Passes |
| Loss on drying , percent | Max 15.0 | 14.5 |
| Sulfated ash (as SO4) , percent | Max 0.5 | 0.45 |
| Arsenic(As), percent | Max 0.005 | 0.005 |
| Cupper(Cu), percent | Max 0.003 | 0.025 |
| Zinc(Zn), percent | Max 0.02 | 0.02 |
