Congo Red Powder, 25 Gram - Each

Congo Red Powder is a high-purity, histological dye certified by the Biological Stain Commission (BSC) to ensure consistent performance in diagnostic and research applications. This organic sodium salt (C.I. 22120), also identified by CAS 573-58-0, meets the rigorous standards of an ACS Reagent, making it suitable for laboratory, scientific, R&D, and manufacturing use. It is widely recognized for its utility as a cytoplasmic counterstain in general tissue staining protocols and serves as a primary pH indicator. When utilized in solution, it exhibits a distinct color transition from blue at pH 3.0 to red at pH 5.0, providing a reliable visual reference for acidity.

Key Features & Benefits

• Certified by the Biological Stain Commission (BSC) to guarantee chemical purity and reliable staining intensity in clinical pathology.
• Meets ACS Reagent specifications to support the high-level analytical accuracy required for sensitive laboratory synthesis and research.
• Functions as a precise pH indicator within the 3.0 to 5.0 range, transitioning from blue to red for clear visual monitoring of solution acidity.
• Supplied in a 25 Gram container to provide a precise volume for specialized histology staining and the preparation of indicator solutions.
• Commonly utilized in amyloidosis research as a definitive stain for the identification of amyloid fibrils under polarized light.
• Acts as an effective cytoplasmic counterstain in diverse tissue staining procedures, enhancing microscopic contrast and cellular detail.
• Standardized powder form ensures excellent batch-to-batch consistency for repeatable results in both manual and automated laboratory workflows.

• The product warranty is applicable as per the terms and conditions provided by the product manufacturer.

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• No returns will be accepted after 30 days from the date of shipment.
• All returns are subject to a restocking fee as per manufacturers terms and conditions.
• All returns must have an RGA number (Returned Goods Authorization), unauthorized returns will not be accepted.
• We do not guarantee fulfillment of any desired purpose or product suitability to the user and this will not be considered as a valid reason for return.
• The products must be new, unused condition, not tampered with, in original packaging and returned at the customers expense in the original packaging.
• If your return is not due to any manufacturing defect then the original shipping cost will be deducted from the total refund.
• Hygiene, bath and toilet items cannot be returned once opened or used.
• Standard manufacturer terms and conditions apply for return policy of this product.

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