Methyl Orange, PH Indicator
Synonym: 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt, Acid Orange 52, Helianthin, Orange III
CAS Number: 547-58-0
C. I. No.: 13025
Dye Content: Min. 95%
PH range: 3.0-4.4, Pink to Yellow
Empirical Formula (Hill Notation): C14H14N3NaO3S
Molecular Weight: 327.33
Physical Form: Powder
Packaging: Glass Bottle