Description
Methyl orange (C.I. 13025), ACS, for microscopy, Molar mass (M) 327,4 g/mol, CAS No. 547-58-0, UN-Nr. 3143, EC No. 208-925-3, Empirical formula C14H14N3NaO3S
Azo dye, low soluble in water (5 g/l). Ingredient of trichrom stains used for detection of connective tissue.
Technical Information
| Colour conversion | pink - yellow |
| Transition range pH | 3,2 - 4,4 |