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
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