Rojo de metilo (C.I. 13020) IND ACS

Descripción

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 λ_1max (pH 4.5) 523 – 526nm
• Absorption maximum λ_1max (pH 6.2) 427 – 437nm
• Loss on drying ≤ 5.0%