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Bromocresol green
Indicator
5g
Analar – Laboratory Grade
Bromocresol Green – 5g
Product Profile
Bromocresol Green (BCG) is a sulfonephthalein dye commonly used as a pH indicator and in analytical chemistry. It is widely applied in acid–base titrations and clinical assays, particularly for albumin determination, due to its sharp color transition in acidic pH ranges.
Details:
Brand: Molychem (or equivalent)
Product Name: Bromocresol Green
Pack Size: 5g
Molecular Formula: C₂₁H₁₄Br₄O₅S
Molecular Weight: 698.01 g/mol
CAS Number: 76-60-8
Specifications:
Appearance: Yellowish to green crystalline powder
Solubility: Slightly soluble in water; soluble in ethanol and dilute alkali
Purity: Typically ≥95%
pH Transition Range: 3.8 – 5.4
Color Change: Yellow (acidic) → Blue-green (basic)
λmax: ~616 nm (basic form)
Stability: Stable under normal conditions
Handling:
Avoid inhalation of dust and contact with skin or eyes. Use appropriate PPE (gloves, goggles, lab coat). Handle in a well-ventilated area
Storage:
Store tightly closed in a cool, dry place. Protect from moisture and direct light. Keep container well sealed when not in use.
Applications:
pH indicator in acid–base titrations
Clinical chemistry (albumin estimation methods)
Buffer system monitoring
Analytical and teaching laboratories
Indicator in spectrophotometric assays
Hazard Information:
May cause irritation to eyes, skin, and respiratory tract. Avoid ingestion and prolonged exposure. Refer to SDS for complete safety details.
Packaging:
Supplied in tightly sealed amber reagent bottle, packed in labeled outer carton.
Safety Note:
For laboratory and educational use only. Not for food or drug applications. Handle according to standard laboratory safety practices.
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