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.

Ideal for B2B Buyers

Overall, AURIN 25g (p-Rosolic Acid) offers a balanced combination of quality, documentation, and cost efficiency. As a result, it suits research labs, educational institutions, diagnostic facilities, and industrial laboratories seeking dependable laboratory reagents.

Bulk orders and institutional supply options are available on request.