Methyl red, C.I. 13020 ACS 100 g

C₁₅H₁₅N₃O₂
Acid Red 2
M.W: 269,31  CAS: 493-52-7  EC: 207-776-1  
P: P102-P202  


Specifications :

• Appearance Dark red to maroon to violet or purple powder or crystals
• Transition range pH Dark red to maroon to violet or purple powder or crystals
• Absorption maximum ?_1max (pH 4.5) 523 - 526nm
• Absorption maximum ?_1max (pH 6.2) 427 - 437nm
• Loss on drying ? 5.0%

reference: MTRE-00D-100, packaging: plastic bottle, capacity: 100 g