Welcome to Shandong Zhonglian Chemical Co., Ltd. Equity Code:880747
Colloidal Silicon Dioxide Pharmaceutical Excipient
Classification :
Pharmaceutical Excipient Silicon Dioxide
Keywords :
Colloidal Silicon Dioxide Pharmaceutical Excipient
PRODUCT DETAILS
1. Product Description
Our Colloidal Silicon Dioxide Pharmaceutical Excipient is a compliance-focused pharmaceutical excipient engineered for superior colloidal dispersion performance. Manufactured via a specialized colloidal refining process, it delivers a minimum silicon dioxide purity of 99.7%, with uniform colloidal particle size and exceptional dispersibility. It fully complies with the pharmaceutical excipient standards of USP, EP, and ChP 2025, offering triple functionality as a flow aid, thickening agent, and stabilizer. It is ideally suited for pharmaceutical formulations requiring colloidal stabilization, and fully aligns with the high-end development trend of global formulation excipients.
2. Technical Specifications
Parameter | Details |
Product Name | Colloidal Silicon Dioxide Pharmaceutical Excipient |
Appearance | White, ultra-fine colloidal powder with easy dispersion and no agglomeration |
Particle Size Range | 0.5-10μm (colloidal specialized, customizable) |
Silicon Dioxide Content | ≥99.7% |
pH Value | 3.8-7.5 (5% suspension, colloidal pharmaceutical excipient standard) |
Typical Dosage | 0.05%-3% (in compliance with colloidal formulation excipient requirements) |
Shelf Life | 24 months |
Packaging | 20kg sealed moisture-proof barrels for pharmaceutical colloidal grade |
Sample | Free samples available (for colloidal dispersibility testing) |
3. Application Profile
The core advantages of this product are its exceptional colloidal dispersibility and strict pharmaceutical excipient compliance. It is optimized for formulations requiring colloidal stabilization, including oral suspensions, gels, and pharmaceutical emulsions. With combined flow aid, thickening, and stabilizing properties, it resolves common pain points including uneven dispersion, stratification, and insufficient viscosity in formulations, enhancing overall formulation stability. It is perfectly suited for the manufacturing needs of global high-end colloidal pharmaceutical preparations.
4. Manufacturing Advantages
We operate a dedicated production line for pharmaceutical grade colloidal silicon dioxide, certified to both GMP and cGMP standards. Our facility is equipped with a specialized colloidal property testing laboratory, with 36 in-process quality checks across the entire production workflow, with strict controls on colloidal particle size uniformity and dispersion stability, ensuring minimal batch-to-batch variation. We can provide comprehensive colloidal property test reports and full pharmaceutical excipient compliance documentation.
5. Shipping & Packaging
• Standard Packaging: 20kg sealed moisture-proof barrels for pharmaceutical colloidal grade, with a double-layer sterile PE inner liner to prevent colloidal agglomeration and contamination;
• Storage & Transportation Requirements: Store in a cool, dry and airtight environment, avoid high temperature and humidity. Classified as non-hazardous goods, supporting global pharmaceutical grade transportation;
• Labeling Specifications: Marked with pharmaceutical excipient classification, colloidal grade, particle size range, and English descriptions, fully compliant with overseas colloidal formulation testing and acceptance criteria.
6. Frequently Asked Questions
Q: What colloidal pharmaceutical preparations can this product be used in?
A: This product can be widely used in a broad range of colloidal pharmaceutical preparations, including oral suspensions, gels, pharmaceutical emulsions, and topical suspension injections, delivering multi-functional benefits as a flow aid, thickening agent, and stabilizer.
Q: Does its colloidal dispersibility comply with international pharmacopoeia standards?
A: Yes. Its colloidal particle size uniformity and dispersion stability fully meet the requirements of USP and EP international pharmacopoeia standards, and it is ready for direct use in international colloidal formulation registration filings.
7. Certifications & Qualifications
- ISO22000:2018
- ISO9001:2015
- FDA Certification
- SHC Halal Certificate
- OU KOSHER Certification
- Food Additive Production License
- National High-Tech Enterprise Certification
Packaging and Shipping
Zhongqi (Guangdong) Silicon Materials Co., Ltd., with over 20 years of experience in the food-grade silica field, is a national high-tech enterprise and a Guangdong Province specialized and innovative enterprise. Trusted by numerous international food giants, it is a leader in high-end food-grade silica. Shandong Zhonglian Chemical Co., Ltd. is Zhongqi's sole officially authorized overseas sales subsidiary.
laboratory
The company has established a world-leading R&D and intelligent manufacturing system, built GMP-standardized workshops, constructed 10,000-ton intelligent production lines, established a national-level testing center equipped with cutting-edge international equipment, and built its own high-standard microbiological testing laboratory. From raw material screening to finished product delivery, the entire process strictly adheres to domestic and international food safety management certifications, achieving simultaneous leadership in both "quality" and "quantity."
Customer Visit
We are committed to silicon dioxide for 20 years, our product is well know in the world and cooperate with some Fortune 500 companies, such as the Nestlé，Yihai Kerry，COFCO，China Resources，Budweiser，Symrise, and so on.
HONOR
In 2021, the company was listed on the Guangdong Stock Exchange, marking the beginning of its international expansion. Today, Zhongqi Silicon Industry, with an open vision, empowers the global food industry's safety system with the power of "Made in China." Going forward, the company will continue to focus on molecular-level safety to ensure peace of mind and, with a global perspective, to create a purer quality of life. Because true strength lies in making invisible protections visible to the world.
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Jinan City, Shandong Province,China
Production Add
Guangzhou City, Guangdong Province
