Specifications of Bromocresol Green Indicator

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

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• Color Change: Yellow (acidic) to Blue (alkaline).
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• pH Range: Effective between pH 3.8 and 5.4.
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• Uses: Common in titrations, biochemical assays, and as a general laboratory indicator.
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• Forms: Available in various forms, including liquid solutions and powdered form.
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• Bromocresol Green Indicator AR/ACS
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• Purity: Dye content 95%
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• Pack Size: 25 gm
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• Brand: Loba
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• Made in India
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