Factory Supply Methylene Blue CAS 61-73-4 with High Quality Ar

• CAS No.: 61-73-4
• Formula: C16h18cln3s
• EINECS: 200-515-2
• Classification: High Purity Material
• Grade: CP
• Specific Usage: For Biological Purpose
• Model NO.: AR
• Content: Standard
• Usage: Laboratory Reagents, Analytical Reagents
• Source: Concrete
• Habit Appellation: Fine Chemicals
• Application: Scientific Research
• Molecular Weight: 319.9
• Color/Form: Dark Green Crystals or Powder
• Melting Point: 100 to 110 &Deg with Decomposition)
• Stability/Shelf Life: Stable Under Recommended Storage Conditions.
• Transport Package: 25 Kgs Fiber Drums
• Trademark: Sinochembt
• Origin: Shenyang
• HS Code: 3204901000
• Production Capacity: 500kgs Per Month

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