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In the meticulous world of forensic science, accurate and rapid identification of evidence is critical. Phenolphthalein, a chemical compound with the CAS number 77-09-8, plays a vital role in this field, primarily through its application in the Kastle-Meyer test for the presumptive detection of blood. As a leading supplier of high-purity chemicals, NINGBO INNO PHARMCHEM CO.,LTD. provides Phenolphthalein that meets the stringent demands of forensic laboratories.
The Kastle-Meyer test is a well-established presumptive test for blood. It relies on the principle that hemoglobin, a protein found in red blood cells, acts as a catalyst. When Phenolphthalein reagent, in combination with hydrogen peroxide, is applied to a sample suspected of containing blood, the hemoglobin catalyzes the oxidation of Phenolphthalein. This reaction causes the Phenolphthalein to change from its colorless form to a characteristic pink hue, indicating the potential presence of blood.
The sensitivity and reliability of Phenolphthalein in this test are crucial. A positive result with Phenolphthalein is a strong indicator that a sample might be blood, prompting further confirmatory tests. For forensic investigators and laboratory technicians, having a dependable source for this reagent is essential. As a manufacturer and supplier of Phenolphthalein in China, we ensure that our product offers consistent performance, allowing for accurate presumptive identifications.
The historical use of Phenolphthalein as a laxative is largely discontinued due to safety concerns, but its utility in analytical and forensic chemistry remains significant. Understanding its properties – a white crystalline powder that is colorless in acidic to neutral conditions and pink in alkaline conditions – is key to its correct application.
For procurement managers in forensic science institutions or research facilities, sourcing quality Phenolphthalein is a priority. When you need to buy Phenolphthalein, consider NINGBO INNO PHARMCHEM CO.,LTD. for its commitment to purity and competitive pricing. Our Phenolphthalein ensures that forensic professionals have access to a reliable reagent for critical evidence analysis.
The consistent quality of Phenolphthalein from a trusted manufacturer like us supports the integrity of forensic investigations. Whether for a small laboratory or a large-scale research project, our supply capabilities are designed to meet your needs. Partner with us for your Phenolphthalein requirements and ensure the precision your work demands.
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1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
