white or off-white powder or granular powder. Almost insoluble in water, ethanol, ether, dilute sulfuric acid or 5% sodium hydroxide solution.
Microcrystalline Cellulose (MCC101) is a high-purity microcrystalline cellulose obtained from high-quality wood pulp or cotton fibers through hydrolysis and purification. Its CAS number is 9004-34-6, and its chemical formula is (C₁₂H₂₀O₁₀)ₙ. It is a white, odorless, and tasteless powder, and is a globally recognized multi-functional industrial excipient. Its unique crystalline structure provides excellent compressibility, flowability, and chemical inertness, playing a core role in solid dosage forms, food processing, and cosmetic formulations. It complies with USP, EP, BP, and Chinese Pharmacopoeia standards, and its safety and compatibility are widely recognized.
Multi-functional adaptability: It combines the functions of a filler, binder, disintegrant, and diluent, simplifying formulation systems and improving product uniformity and stability. In direct compression processes, only a small amount of pressure is required to form tablets with excellent strength, while also accelerating drug dissolution and improving bioavailability.
Strict quality standards: Cellulose content 97.0%-102.0%, pH 5.0-7.5, loss on drying <=5.0%, residue on ignition <=0.2%; heavy metal content <=10ppm, strict microbial limits (total bacterial count <=100cfu/g, mold and yeast <=20cfu/g), no pathogenic bacteria detected, ensuring application safety.
Excellent physical properties: Bulk density 0.32-0.42g/ml, particle size 80%-100% passing through a 200-mesh sieve, good flowability, easily dispersed evenly, insoluble in water, ethanol, and other common solvents, chemically stable, and does not react with active ingredients.
Pharmaceutical industry: As a core excipient for tablets and capsules, it is suitable for solid dosage forms such as antibiotics, vitamins, and health supplements, with a dosage of 5%-60%, ensuring the integrity and storage stability of the preparations;
Food industry: Used as an anti-caking agent and thickener, improving the texture and taste of baked goods, dairy products, and condiments, and extending shelf life;
Cosmetics industry: As a stabilizer and texture modifier, added to creams, powders, and other products to improve spreadability and formula stability.
Standard packaging is 25kg/sealed bag (with moisture-proof liner), stored in a dry and ventilated environment, with a shelf life of up to 2 years, ensuring stable product performance throughout.
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