Vitamin C; Ascorbic Acid

Product Overview
Vitamin C, scientifically known as L-Ascorbic Acid (CAS 50-81-7), is one of the most essential and widely used vitamins in the pharmaceutical, laboratory, and food industries. Our product is manufactured under strict quality control to meet Reagent Grade and Pharmaceutical Grade standards, fully complying with USP (United States Pharmacopeia) and EP (European Pharmacopoeia) specifications.
Physical & Chemical Properties
Appearance: White or off-white crystalline powder
Odor: Odorless
Taste: Characteristically sour
Solubility: Freely soluble in water, slightly soluble in ethanol
The powder is free-flowing, non-hygroscopic under normal storage conditions, and exhibits excellent stability when kept away from light, moisture, and high temperatures.
Quality & Compliance
Our Vitamin C is produced in GMP-certified facilities and undergoes rigorous batch testing. Each shipment is accompanied by a Certificate of Analysis (COA) confirming:
Assay (content): 99.0% – 100.5%
pH (5% solution): 2.1 – 2.6
Heavy metals, loss on drying, and residue on ignition strictly controlled
The product meets the latest USP/EP monographs, making it suitable for high-precision applications in both research and pharmaceutical manufacturing.
Applications
Due to its dual Reagent/Pharma grade qualification, this Vitamin C powder is ideal for:
Pharmaceutical use: Raw material for Vitamin C tablets, effervescent tablets, and dietary supplements.
Reagent use: Laboratory analysis, chromatography standards (HPLC), chemical synthesis, and cell culture media preparation.
Food & beverage: As an antioxidant and nutritional fortifier (though primarily designed for reagent/pharma, it can also serve high-end food applications upon request).
Cosmetics: Active ingredient in whitening, anti-aging, and antioxidant skincare formulations.
Packaging & Storage
Standard packaging: 25 kg/fiber drum with double food-grade PE liner bags.
Smaller packs: 100g, 500g, 1kg aluminum foil bags available for laboratory and reagent users.
Storage conditions: Keep container tightly closed in a cool, dry, well-ventilated area. Protect from light, moisture, and heat.
Shelf life: 24 months when stored properly.
Why Choose Our Product?
Strict adherence to USP/EP pharmacopoeia standards
Both Reagent Grade and Pharmaceutical Grade in one product – flexible for multiple downstream uses
Full traceability with batch-specific COA and MSDS
Competitive pricing for bulk orders
Customized packaging and labeling (OEM) available
Conclusion
Whether you are a pharmaceutical manufacturer, a research laboratory, or a reagent distributor, our High Quality Vitamin C (Ascorbic Acid) Powder – Reagent/Pharma Grade, USP/EP Standard – offers the purity, consistency, and regulatory compliance you require. Contact us for samples, COA, or a quotation tailored to your needs.

About Us

Chongqing Yuhan Technology Co., Ltd. – Bringing high-quality chemical products to the global market
Since 2017, Chongqing Yuhan Technology Co., Ltd. has grown from a local supplier into a leading international trader in the field of chemical raw materials and reagents. We serve a diverse range of industries, including power generation, metallurgy, agriculture, textiles and plastics, with clients across the globe.
Scope of Business
We offer a wide range of chemical products, specialising in high-purity acids, perovskite materials and hazardous chemicals. We focus on high-performance materials, ensuring we meet our clients’ unique requirements through bespoke solutions.
Our Strengths
Extensive product range: We offer a comprehensive selection of chemical products, enabling one-stop procurement.
Market Competitiveness: We hold a solid market position thanks to our long-standing partnerships.
Looking Ahead
We are committed to continuous improvement, delivering increasingly professional and efficient solutions. Our goal is to expand our international footprint and become the partner of choice for high-quality chemical raw materials and reagents worldwide.
Industry Reputation: Renowned for our professionalism and reliability.
Risk Management: Effective management of safety and environmental risks.
Partner Trust: Highly trusted for our ability to secure favourable terms and prices.