Description

AURIN 25g (p-rosolic acid) Research Lab

AURIN (p-Rosolic acid), C.I. No. 43800, is a reliable laboratory reagent and pH indicator designed for routine analytical, research, and educational laboratory use. This 25g pack delivers consistent performance, clear color transitions, and documented quality, making it a practical choice for laboratories that value accuracy and repeatability.

Key Features of the AURIN 25g

• Accurate pH Indication: Displays yellow at pH 5.0 and pink at pH 6.8, allowing for quick visual assessment.
• Consistent Optical Performance: Demonstrates an absorbance maximum within 482–487 nm (observed ~485 nm).
• Laboratory Reagent (LR) Grade: Meets routine analytical and educational laboratory requirements.
• Extended Shelf Life: Offers up to 5 years of stability under recommended storage conditions.
• Batch Traceability: Supplied with a Certificate of Analysis (CoA) for quality verification.

Common Applications

Consequently, laboratories widely use AURIN for:

• Acid–base titrations
• pH sensitivity testing
• Analytical chemistry workflows
• Academic and research laboratory experiments
• Quality control procedures requiring colorimetric indicators

Technical Specifications

• Product Name: AURIN (p-Rosolic Acid)
• CAS Number: 603-45-2
• Color Index (C.I.): 43800
• Molecular Formula: C₁₉H₁₄O₃
• Molecular Weight: 290.32 g/mol
• Appearance: Dark red powder
• Absorbance Maximum: 482–487 nm (Observed: ~485 nm)
• pH Sensitivity:
  • pH 5.0 – Yellow
  • pH 6.8 – Pink
• Grade: Laboratory Reagent (LR)
• Pack Size: 25 g
• Shelf Life: 5 Years
• Country of Origin: India

Why Choose AURIN (p-Rosolic Acid)?

First, AURIN provides clear and predictable pH color changes, which simplifies interpretation during analytical procedures. Moreover, its verified absorbance range supports dependable spectrophotometric work. In addition, the reagent-grade quality ensures suitability for daily laboratory operations without unnecessary cost escalation.

Storage & Handling

Therefore, store the product in a cool, dry place, keep the container tightly closed, and protect it from direct light. Always follow standard laboratory safety practices and wear appropriate PPE during handling.