1.08122

Bromophenol blue

indicator ACS,Reag. Ph Eur

• Synonym(s): Bromophenol blue, 3,3′,5,5′-Tetrabromophenolsulfonphthalein, BPB
• Empirical Formula (Hill Notation): C₁₉H₁₀Br₄O₅S
• CAS Number: 115-39-9
• Molecular Weight: 669.96
• MDL number: MFCD00005875
• EC Index Number: 204-086-2

Properties

• Quality Level: 200
• grade: ACS reagent
• Agency: reag. Ph. Eur.
• form: solid
• loss: ≤1% loss on drying, 110°C
• visual transition interval: 3.0-4.6, greenish yellow to blue-violet
• mp: 270-273 °C (decomposition)
• bulk density: 730 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C19H10Br4O5S/c20-12-5-9(6-13(21)17(12)24)19(10-7-14(22)18(25)15(23)8-10)11-3-1-2-4-16(11)29(26,27)28-19/h1-8,24-25H
• InChI key: UDSAIICHUKSCKT-UHFFFAOYSA-N

Description

Analysis Note

Transition range: pH 3.0 - pH 4.6greenish yellow - blue violet
Appearance of solution: passes test
Loss on drying (110 °C): ≤ 1
Transition range (according to ACS): passes test
Sensitivity test: passes test

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable