1.08121

Bromocresol green

indicator ACS,Reag. Ph Eur

• Synonym(s): Bromocresol green, 3,3′,5,5′-Tetrabromo-m-cresolsulfonphthalein, BCG
• Empirical Formula (Hill Notation): C₂₁H₁₄Br₄O₅S
• CAS Number: 76-60-8
• Molecular Weight: 698.01
• MDL number: MFCD00005874
• EC Index Number: 200-972-8

Properties

• grade: ACS reagent
• Quality Level: 200
• Agency: reag. Ph. Eur.
• form: solid
• loss: ≤3% loss on drying, 110°C
• visual transition interval: 3.8-5.4, yellow-green to blue
• mp: 217-218 °C
• bulk density: 350 kg/m³
• storage temp.: no temp limit
• InChI: 1S/C21H14Br4O5S/c1-9-12(7-14(22)19(26)17(9)24)21(13-8-15(23)20(27)18(25)10(13)2)11-5-3-4-6-16(11)31(28,29)30-21/h3-8,26-27H,1-2H3
• InChI key: FRPHFZCDPYBUAU-UHFFFAOYSA-N

Description

Packaging

1 , 1 , 5 , 25 g in Glass bottle

Analysis Note

Transition range: pH 3.8 - pH 5.4yellowish green - blue
Appearance of solution: passes test
Loss on drying (110 °C): ≤ 3
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