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o Cresolphthalein (CAS 596-27-0) – High Purity Indicator
- Time of issue:Nov . 10, 2025 15:08
(Summary description)Tangshan Moneide Trading Co., Ltd. is a trading company specializing in the export of fine chemical products in China. Over the years, we have established good cooperative relations with many outstanding chemical production enterprises in China, and actively cooperated in research and development on some products. Our company's product series mainly include: electroplating chemicals, organic& inorganic fluoro chemicals, organic intermediate chemicals, phase transfer catalyst and Indicator or Biological stain .
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- Time of issue:2019-12-30 10:55
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O Cresolphthalein is a key solution in the chemical industry industry, specifically within fine chemicals and Laboratory reagents.
This article explores how Tangshan Moneide Trading Co., Ltd. supports professionals with durable, high-performance products, and explains why this product is an ideal choice for businesses in these sectors. O Cresolphthalein (also written as o‑cresolphthalein or ortho cresolphthalein; CAS 596-27-0) is a phthalein-type organic dye widely used as a pH indicator and specialty reagent in the laboratory reagents segment of the fine chemicals value chain. In alkaline conditions it exhibits a strong violet coloration, enabling sharp visual endpoints in acid–base titrations and routine QC testing. Because B2B laboratories demand traceable, consistent performance, premium-grade O Cresolphthalein is specified for analytical methods that rely on a clean baseline, high color intensity, and low background impurities. Typical characteristics include high assay (analytical grade), controlled moisture and ash, and excellent solubility in alcohols and alkaline media while remaining only sparingly soluble in neutral water—properties that support fast dissolution and stable indicator solutions. A representative melting behavior is in the mid‑260s °C (decomp.) and color transition occurs in the alkaline range, favoring applications alongside phenolphthalein-type indicators. Tangshan Moneide Trading Co., Ltd. supplies O Cresolphthalein with rigorous lot traceability, COA/SDS documentation, and customizable packaging to meet method-specific requirements in chemical industry laboratories globally. Across analytical labs, O Cresolphthalein (CAS 596-27-0) is valued for precise colorimetric transitions in alkalinity titrations, QA/QC of process streams, and educational/bench chemistry. It is selected in methods where a clear, strong violet endpoint is advantageous—such as evaluating carbonate/bicarbonate systems, monitoring neutralization reactions, and verifying formulation pH in coatings, resins, and cementitious materials. In research settings, it is also used as a dye reagent and can serve as a building-block intermediate for related chromogenic systems utilized in diagnostic chemistry. Key advantages for B2B users include high chroma for crisp endpoints at low indicator loading, low insoluble residue to protect glassware and instruments, and tight lot‑to‑lot variability that safeguards method transfer and accreditation. Tangshan Moneide Trading Co., Ltd. brings deep sourcing and QC expertise to the Laboratory reagents market—offering consistent quality, responsive lead times, and technical documentation (TDS/COA/SDS) that helps regulated laboratories validate and maintain robust SOPs. Custom pack sizes, dust‑reduced grades, and solvent recommendations further streamline workflow for high‑throughput teams. For B2B decision makers, total cost of ownership extends beyond unit price to include readiness, consistency, waste reduction, and compliance. O Cresolphthalein from Tangshan Moneide Trading Co., Ltd. is supplied with stable quality attributes that reduce failed runs and retests—delivering a measurable ROI through fewer repeat titrations and minimized downtime. Bulk and contract-pack options lower handling costs, while secure export packaging protects material integrity and reduces in‑transit risk. Recommended maintenance is straightforward: store tightly closed in a cool, dry place away from light and alkaline fumes; prepare indicator solutions with suitable alcohol/alkali and replace them periodically to ensure maximum color fidelity. Customers in fine chemicals and academic labs report cleaner baselines, sharper endpoints, and easier method transfer when switching from commodity indicators to Moneide’s specification-controlled O Cresolphthalein. The net effect is stronger analytical confidence, predictable consumption rates, and better budgeting over the product’s shelf life. The fine chemicals and Laboratory reagents landscape is evolving toward greener operations, digital documentation, and resilient supply chains. Buyers increasingly favor suppliers that prioritize solvent stewardship, waste minimization, and safer packaging. For dyes and indicators such as O Cresolphthalein, this translates to cleaner synthesis routes, solvent-recovery practices, reduced chlorinated solvent use, and packaging that supports recyclability while maintaining product protection. Tangshan Moneide Trading Co., Ltd. aligns with these priorities by emphasizing consistent quality (reducing rework and waste), offering comprehensive SDS/TDS documentation, and supporting customer audits and regulatory inquiries. Market trends also include automation-friendly formats and clear traceability for accreditation needs—areas where Moneide’s lot control, labeling clarity, and responsive customer service help B2B laboratories modernize without compromising compliance. In short, a forward‑thinking approach to sustainability and supply assurance enhances both environmental and operational performance for O Cresolphthalein users. O Cresolphthalein (o‑cresolphthalein, ortho cresolphthalein; CAS 596-27-0) remains a reliable, high‑value indicator and reagent across the chemical industry—particularly in fine chemicals and Laboratory reagents where precision and repeatability matter. Tangshan Moneide Trading Co., Ltd. delivers quality, documentation, and service that B2B laboratories can trust, supported by flexible packaging and dependable global logistics. Partner with a supplier that understands your accreditation, compliance, and performance needs.
Table of Contents
O Cresolphthalein Overview
Benefits & Use Cases of O Cresolphthalein in Laboratory reagents
Cost, Maintenance & User Experience
Sustainability & Market Trends in chemical industry
Conclusion on O Cresolphthalein from Tangshan Moneide Trading Co., Ltd.