© 2026 Nanjing Finechem Holdings Co., Ltd,
All Right Reserved
4-Catechin Hydrate is a flavan-3-ol compound, recognized for its role both as a natural antioxidant and as a valuable ingredient in chemical synthesis. With a molecular formula of C15H14O6·xH2O, it occurs as a crystalline solid, revealing pale-yellow to off-white color and a distinctive luster when held under direct light. The material typically appears as fine powder, small pearls, irregular flakes, or even crystalline solid, depending on production method and end-use requirement. Chemists often rely on its solubility in water and ethanol, which reflects its moderate polarity and functional versatility across both analytical research and manufacturing. The material’s unique stereochemistry supports a rich network of hydrogen bonding, making it a strong candidate for work in food science, pharmaceuticals, and advanced material synthesis.
4-Catechin Hydrate stands out due to its specific molecular arrangement, granting it a measured density in the range of 1.2–1.4 g/cm3 in its hydrate form. Its powdered variant remains stable at ambient temperature but demands sealed storage to prevent moisture uptake or decomposition. Its melting point floats around 175°C, often shifting if latent water content varies. When handling solid or crystalline forms, it becomes clear that surface area and purity deeply affect dissolution rates, which plays a key role in reproducibility for laboratory and industrial applications. This material's ability to facilitate electron transfer has caught the attention of green chemistry developers and nutritional supplement manufacturers alike. Its chemical stability supports use in formulations designed for shelf-stable food products and slow-release pharmaceuticals. Water content, purity, and precise crystal structure always require verification by both NMR and FT-IR spectroscopy, which ensures reliability for downstream blending or synthesis.
The core structure of 4-Catechin Hydrate features two aromatic rings linked by a three-carbon chain, which together promote both stability and reactivity under controlled conditions. These catechol groups, located on ring structures, readily participate in hydrogen bonding and metal chelation, contributing to both its antioxidant activity and chemical versatility. The solid-state crystalline form emerges from tightly packed molecules with water layers trapped by hydrogen bonds, a pattern visible under X-ray crystallography. Quantum chemistry calculations and practical lab testing have demonstrated that even slight shifts in the hydrate’s water content impact crystal density, solution behavior, and functional performance in end-applications ranging from cosmetic stabilization to high-purity pharmaceutical synthesis.
High-purity 4-Catechin Hydrate arrives from reputable chemical suppliers with rigorous documentation, often exceeding 98% analysis by HPLC. Typical shipments include certificate of analysis, batch number, and spectroscopic confirmation, allowing buyers to trace the origin and quality of each lot. Particle size distribution ranges from fine powder (sub-100 micron) to large, translucent crystals for certain custom processes. Popular packaging forms include multi-layer pouches, inert gas-filled jars, and sealed drums for bulk logistics. The Harmonized System (HS) Code often assigned to 4-Catechin Hydrate falls within “2932”, covering heterocyclic compounds—critical knowledge for importers and regulatory affairs specialists to navigate international trade. Experience shows that companies lacking familiarity with the HS Code risk delays at customs and sudden compliance headaches, so careful documentation always pays off.
Routine handling of 4-Catechin Hydrate calls for careful attention, as skin or eye irritation sometimes arises if powder becomes airborne. The compound remains non-volatile at room temperature, easing the burden for facilities lacking fume hoods, yet fine particulates can irritate the respiratory tract when containment lapses occur. While animal-model studies suggest relatively low toxicity compared to common industrial chemicals, direct ingestion or prolonged exposure should always be avoided. Labs need standard PPE, including gloves, goggles, and lab coats, as well as sealed storage, cool conditions, and desiccant packs to preserve long-term stability. Disposal follows local guidelines for non-hazardous organic materials, but large volumes or concentrated industrial solutions should enter approved waste streams to avoid environmental contamination. Testing for hazardous by-products under synthesis circumstances or thermal decomposition confirms a low risk profile, provided good laboratory practice remains in place.
This compound’s status as a high-demand raw material reflects both its intrinsic chemical properties and its adaptability as a building block for next-generation products. Nutraceutical companies value 4-Catechin Hydrate for its natural occurrence in tea leaves and fruits, as well as its scientifically validated antioxidant boost to dietary supplements. Pharmaceutical formulators see broad potential in its use as a lead compound for anti-inflammatory and cardioprotective drugs, drawing from a growing stack of clinical and preclinical evidence. Polyphenol enrichment in food science relies on its crystalline powder or solution forms to enhance shelf stability, color retention, and flavor modulation. Advanced materials engineering teams have tapped 4-Catechin Hydrate for its redox chemistry, exploring new uses in coatings, specialty polymers, and green synthesis models. Accurate material property data—especially density, structural information, and crystal size—remains central to both research and scaled production. Secure sourcing, robust transport, and well-characterized certificates all play key roles for every handler, whether in basic research or mass-market manufacture.
Consistent results with 4-Catechin Hydrate depend on far more than paperwork or catalog data. Researchers and chemical engineers who work hands-on with the raw material quickly realize the importance of environmental controls, such as low humidities for storage or pre-dried solvents for solution preparation. Purity checks—by TLC, HPLC, or NMR—catch unwanted side-products or degraded batches that might otherwise compromise a full production run or clinical study. Even professional staff sometimes miss subtle changes in physical form, such as cake formation in high-moisture warehouses or color shifts from oxidized stock, both of which cut into yield and downstream product performance. Data-driven purchasing decisions, transparent supplier communications, and strict adherence to quality control protocols have proven their value countless times in the real world. Keeping all safety standards at the forefront means both compliance and practical well-being, for everyone working with or consuming finished goods based on this chemical. Success comes down to more than just formula sheets and certificates; it stems from everyday vigilance, technical skill, and a respect for both the strengths and limits of every raw material, most of all when it comes to ingredients as dynamic and widely used as 4-Catechin Hydrate.
