Using medical-grade calcium carbonate as raw material, it is prepared through high-temperature calcination, precision filtration and aseptic packaging process, with a purity of up to 98% or more. Harmful indicators such as heavy metals and bacteria fully meet the requirements of USP 43 and the 2025 edition of the Chinese Pharmacopoeia. The product has a fine particle size ≤20μm, which can uniformly fill root canal gaps and will not irritate pulp tissue. At the same time, it has the characteristics of slowly releasing hydroxyl ions to achieve long-term antibacterial and anti-inflammatory effects. The packaging uses sterile aluminum foil bags to isolate air and microorganisms, ensuring that each batch of products meets the standards of sterile medical supplies, adapting to the small-batch and high-precision procurement needs of dental clinics and pharmaceutical research institutions.
CAS Registry No. 1305-62-0, molecular formula Ca(OH)₂, appearing as white delicate sterile powder, purity ≥98.0%, heavy metals (calculated as Pb) ≤5mg/kg, arsenic content ≤1mg/kg, total bacterial count ≤10CFU/g, pyrogen-free, particle size distribution: 95% of particles ≤20μm, pH value (10% sterile suspension) 12.5-12.7, packaging specification is 1kg sterile aluminum foil bags, shelf life 36 months, storage conditions: store at 2-8℃ in a cool and dark place.
It is mainly used in dental clinical medicine, as a root canal filling material for pulp treatment to fill root canal gaps and achieve long-term antibacterial effects; it can also be used as a dental soothing agent to relieve pulp congestion symptoms; it can also be used for the synthesis of pharmaceutical intermediates as an alkaline catalyst or pH regulator, adapting to scenarios such as biopharmaceuticals and medical device disinfection auxiliary materials, complying with GMP specifications for global pharmaceutical production.
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