Bromocresol Green AR Grade 25gm Loba-India

Bromocresol Green Indicator is a AR/ACS Grade Laboratory Reagent. It is a Slightly soluble in water and appearance is Yellow to Tan Coloured Powder. Physical state at 20°C is Solid and Primary color is White to buff.

Specifications of Bromocresol Green Indicator

• Molecular Formula: C₂₁H₁₄Br₄O₅S
• Molecular Weight: 698.04
• Appearance: Yellow to Tan Coloured Powder
• Dye content (by spectrophotometry): Min 95%
• Identity (IR): Passes test
• pH 3.8-5.4: Yellow to blue
• Appearance of solution: Conforms
• Absorption maxima (0.003% Methanol): 418 – 428 nm
• Molar Absorptivity at lambda max: Min 17000
• Loss on drying (at 110°C): Max 3%
• Transition range (according to ACS): Passes test
• Sensitivity: Passes test
• Pack Size: 25 gm
• Brand: LOBA CHEMIE
• Origin: India

Bromocresol green is a pH indicator that changes color based on acidity or alkalinity. In acidic solutions (pH < 3.8), it appears yellow, while in neutral to alkaline solutions (pH > 5.4), it turns blue.

Key Points:

• Color Change: Yellow (acidic) to Blue (alkaline).
• pH Range: Effective between pH 3.8 and 5.4.
• Uses: Common in titrations, biochemical assays, and as a general laboratory indicator.
• Forms: Available in various forms, including liquid solutions and powdered form.