EINECS: 207-776-1
Molecular Formula: C₁₅H₁₅N₃O₂
Synonyms: CI NO 13020; BROMOCRESOL GREEN-METHYL RED; BROMOCRESOL GREEN-METHYL RED ETHANOL; BROMOCRESOL GREEN/METHYL RED, MIXED INDICATOR; BROMOCRESOL GREEN/METHYL RED, MIX INDICATOR FOR ALKALINITY; METHYL RED; METHYL RED INDICATOR; METHYL RED MIXED SOLUTION
Appearance: dark red crystalline powder
Molecular Weight: 269.3
Density: 0.839 g/mL at 25 °C
Boiling Point: 479.5°Cat760mmHg
Melting Point: 178-182℃
Flash Point: 11 °C
Storage Temperature: −20°C
Refractive index: 1.592
Solubility: slight
Stability: Stable. Incompatible with strong oxidizing agents.
Usage: As indicator in 0.1% Alcoholic soln, ph: 4.4 Red, 6.2 Yellow, used for titrating nh3, weak organic bases, eg, alkaloids, not suitable for organic acids, except oxalic & picric acid.