Code: km-325
Product name: Methyl orange
CAS No. 547-58-0
Molecular Formula: C₁₄H₁₄N₃NaO₃S
Molecular Weight: 327.33
Water-soluble test: qualified
Sensitive test: qualified
PH Color Change Range: 3.0(orange)-4.4.(yellow)
Residue on ignition(as sulfate): 18.5---22.0%
Oxides  qualified