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HS Code |
939479 |
| Chemical Name | Calcium Diascorbate |
| Alternative Name | Calcium Ascorbate |
| Chemical Formula | C12H14CaO12 |
| Molecular Weight | 426.30 g/mol |
| Appearance | White to pale yellow powder |
| Solubility In Water | Soluble |
| Ph Value | 6.8 - 7.4 (1% solution) |
| Stability | Stable in dry form, sensitive to moisture and light |
| Odor | Odorless |
| Main Use | Source of Vitamin C and calcium supplement |
| Cas Number | 5743-28-2 |
| Taste | Slightly sour |
| Melting Point | Decomposes before melting |
As an accredited Calcium Diascorbate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | White, food-grade plastic drum labeled "Calcium Diascorbate, Net Weight: 25 kg," airtight seal, batch number, and safety instructions printed. |
| Shipping | Calcium Diascorbate is typically shipped in sealed, moisture-proof containers such as fiber drums or HDPE bags. It should be stored and transported in cool, dry conditions away from direct sunlight and incompatible substances. Ensure containers are well-labeled and handled according to safety regulations to prevent contamination or degradation during transit. |
| Storage | Calcium diascorbate should be stored in a tightly sealed container, protected from light, moisture, and air. Keep it in a cool, dry place, ideally below 25°C (77°F). Avoid exposure to heat and incompatible substances, such as strong acids or oxidizers. Proper storage prevents degradation and maintains the chemical’s stability and efficacy. Always follow relevant regulatory and safety guidelines. |
Applications of Calcium Diascorbate in Industrial ManufacturingAs an experienced direct manufacturer, we supply calcium diascorbate (CaD) to specialized industries valuing its dual function as a stable Vitamin C source and its non-acidic profile. On this page, we detail authentic use cases verified by downstream processors who require performance, traceability, and real compliance with application-specific standards. 1. Nutritional Fortification in Dairy and Plant-Based ProductsManufacturers of yogurt, milk powders, and non-dairy alternatives incorporate calcium diascorbate for its stability during thermal processing and to fulfill dual nutritional labeling for vitamin C and calcium. In UHT-treated and sterilized dairy matrices, this ingredient provides an advantage over L-ascorbic acid due to its reduced reactivity and less sour taste, meeting fortification demands without impacting organoleptic properties. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Fruit and Vegetable Processing for Color Retention and Nutritional LabelingProcessors of cut fruits, canned vegetables, and minimally-processed produce utilize calcium diascorbate to inhibit enzymatic browning and scurvy-inducing vitamin C loss during storage and handling. Owing to its buffering capabilities, it prevents off-flavors that would otherwise develop with acidic alternatives and is preferred in high-sugar or neutral pH matrices where sodium content must be limited. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Bakery and Cereal Processing for Dough ConditioningBakeries and cereal processors select calcium diascorbate as a dough improver to reinforce gluten structure and extend shelflife in health-oriented breads and extruded breakfast cereals. This additive performs reliably during mixing and fermentation, providing oxidative strength without the direct acidity of standard ascorbic acid, which supports a smooth process flow and consistent crumb texture in calcium-enriched formulations. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Tablet and Powdered Supplement ManufacturingDietary supplement producers favor calcium diascorbate as a buffered vitamin C source, especially for chewable and effervescent tablets where gastric tolerance and slow release are required. Its high compressibility and fine particle profile improve tableting parameters and reduce dust during mixing. The stable, non-acidic form ensures minimal interaction with other active components, supporting premium-positioned products targeted at sensitive groups. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Beverage Production: Sports and Isotonic DrinksFunctional beverage producers integrate calcium diascorbate to achieve label claims for both antioxidant benefits and mineral content while maintaining a neutral taste profile in clear or acid-sensitive drinks. Its low reactivity supports high-temperature pasteurization and shelf-stability requirements, making it suitable for ready-to-drink sports beverages and water-based isotonic formulations. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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As a chemical manufacturer, we look beyond labels. Calcium Diascorbate might sound technical, but it answers a real need in both nutrition and industrial processes. In daily production, the decision to introduce Calcium Diascorbate stems from market demands and the lessons we pick up on the work floor. Some manufacturers stick with basic vitamin C forms, yet each application pushes us to find alternatives that offer stability, mildness, and practical use in formulation. Calcium Diascorbate, with its unique structure, balances ascorbic acid’s antioxidant value with the benefits of calcium—without the acidity traditionally found in plain vitamin C.
When we talk about our Calcium Diascorbate products, we focus on consistent quality and high purity. Typically, our product model presents itself as a free-flowing, white to off-white powder, easy to measure out and use in automated processing lines. The specification usually guarantees an ascorbic acid content above 75% and a defined calcium content, ensuring both the antioxidant function and the nutritional contribution occur as expected in the end-use. The careful control of water content, insoluble matter, and trace impurities stands out as well, since consumers and clients demand assurance in each batch.
Production batches encounter strict in-house analysis to keep deviations small. Over the years, our labs have mastered the art of detecting tiny differences in the ascorbate-to-calcium ratio. This allows our product to behave reliably whether a customer adds it to a beverage, a chewable supplement, or a food fortification blend. For those who deal with mass mixings, a powder that resists clumping and disperses easily reduces downtime. With every run, we pay attention to lot reproducibility. We consider feedback from downstream processors and packagers to iron out issues before they become cost items.
Most people see Calcium Diascorbate’s appeal in pharmaceuticals and food applications. As an ingredient, it offers a solution for those wanting vitamin C enrichment without the sharpness or instability of plain ascorbic acid. Tableting companies look to Calcium Diascorbate for its low acidity. This means chewables and powders feel gentler on the digestive tract. Food technologists reach for this form instead of ascorbic acid when they aim to achieve a neutral pH or when they need to avoid metallic aftertastes.
We see a strong pull from sports nutrition and beverage formulators, who look for ascorbate sources that won’t disrupt flavor balance. As Calcium Diascorbate dissolves, its buffering property preserves taste without masking or sour notes. That difference becomes crucial in clear drinks or sensitive flavor profiles. For processors, the reduced reactivity compared to simple ascorbic acid means fewer unwanted side reactions, like premature browning or cloudiness when mixing with certain minerals or proteins. In fruit processing and bakery lines, Calcium Diascorbate supports color retention and helps stabilize shelf life during storage.
People often ask why not use ascorbic acid or sodium ascorbate for these tasks. Experience in our manufacturing plant explains the divide. Ascorbic acid supplies strong antioxidant power, but its strong acidity can disrupt food systems and pose challenges for sensitive users or those aiming to balance mineral supplements. Sodium ascorbate, on the other hand, adds extra sodium—sometimes an unwelcome addition for health-conscious consumers or manufacturers targeting “low sodium” claims.
Calcium Diascorbate solves these issues in several ways. It brings both calcium and vitamin C without swinging the acid-base balance out of control. For those engineering finished products that depend on a particular texture—think powdered drink mixes or pressed lozenges—this dual-action keeps batch consistency tight batch after batch. The ability to provide a non-sodium, non-acidifying option often simplifies marketing messages and meets evolving dietary trends.
We also face fewer technical problems with interactions when using Calcium Diascorbate in multivitamin blends or mineral-fortified foods. Unlike ascorbic acid, which can accelerate spoilage of sensitive ingredients, or sodium ascorbate, which impacts both flavor and mineral ratios, Calcium Diascorbate blends seamlessly and expands fortification possibilities. It’s not about selling the most exotic ingredient; it’s about serving a function and responding to the way processing lines actually run in the real world.
Since we operate at the source, we witness how raw materials and production processes dictate the end performance. Calcium Diascorbate synthesis involves a careful combination of ascorbic acid and calcium salts in controlled conditions. Attention to pH, temperature, and moisture during synthesis protects the molecule’s stability and guarantees a free-flowing powder rather than a sticky mass. Our team invests in advanced dust collection and powder handling systems, since failures there waste material and impact final product yield.
Each shipment’s journey starts in our blending and drying units, which undergo regular maintenance. Residual moisture stands out as a common stumbling block in poor-quality products—we see competitor samples where improper drying or caking causes product loss and clumping in downstream processes. Standout batches, by contrast, share one quality: consistent moisture levels and minimal contamination. Years in this trade have taught us that a controlled environment and trained eyes catch more problems than the latest equipment alone.
Quality control doesn’t stop at chemical parameters. Mechanical handling—how granules behave on belts, how they resist compaction, or how they flow from storage silos to packing machines—impacts the bottom line. False economy rears its head in neglected small details, like improper sieve sizes that lead to unwanted dust or contamination. We’ve improved our batches by running micro-adjustments based on feedback from real-world use, listening to food technologists and supplement producers when they report caking, slow dissolution, or residue after mixing.
We don’t just manufacture and ship powder. The relationship with product developers and formulating chemists shapes the way we test and optimize each batch. For beverage makers, solubility ranks as the top point of frustration. Food-grade Calcium Diascorbate works well in both cold and hot water systems. Its mild taste profile blends comfortably even in light-flavored drinks. For solid formulations, good compressibility and non-hygroscopic properties justify its use further. These features trace back to the control parameters set during our drying and milling stages.
Experience tells us that not all production lines tolerate identical powder properties. Some customers request coarser granulation to minimize dust or improve flow, while others need finer mesh for quick dissolution in microencapsulated blends. We tailor our offering based on this—you’ll see us collecting equipment data and process feedback month after month to keep our batches on spec.
Seasoned buyers note that Calcium Diascorbate resists degradation in storage better than unbuffered ascorbic acid. For packaging operations that face variable warehousing conditions, this added stability keeps returns and off-spec batches low. Shelf-life matters in the supplement and food space, not just for retailers but also end users who expect the label claims to hold true for the duration of their product’s life. By building stability from the start, we help both large and small manufacturers meet their own reliability targets.
Some people see every ascorbate as equivalent, but we track subtle performance factors. In our plant, we avoid shortcuts on particle size calibration and make fine adjustments to the calcium-to-ascorbic acid molar ratio as processing conditions change. These minor steps keep batches from becoming sluggish in automated feeders or forming insoluble sediment in liquid suspensions.
Repeated testing tells us which formulation tweaks keep customers happy. A ready-to-blend powder that pours smoothly and stops caking sits at the foundation of trouble-free production for brands downstream. Consumer complaints over cloudy drinks or gritty chewables have nudged us to invest in particle screening and anti-caking protocol improvements. When formulation teams tweak recipes, we’re called in for input on compatibility with other nutrients or sweeteners, all to minimize production slowdowns or product recalls.
For regulatory audits, our systematic documentation assures traceability. Food manufacturers expect not only batch-to-batch purity but also process transparency from their ingredient suppliers. We maintain logs on trace contaminants, allergens, and metal residues below critical limits. By preempting common hazards—such as cross-contamination from other production runs or inadvertent introduction of allergens—we help clients avoid compliance penalties and reputational damage.
Ingredient preferences rarely shift overnight. In practice, we’ve watched the gradual move from ascorbic acid toward buffered options like Calcium Diascorbate in several regions. Major food manufacturers, facing feedback from health professionals and consumers about acid sensitivity, shifted their fortification away from simple ascorbic acid. Supplement brands, responding to consumer demand for “gentler” vitamin C and added minerals, push for reformulations that replace sodium ascorbate or pure ascorbic acid with calcium-buffered forms.
We track growing requests from formulators for product documentation supporting the “gentle” nature of Calcium Diascorbate. Large retail buyers, especially those in international markets, often request deeper nutritional verification and justified functional benefits before approving a new supplier. Experience tells us that consumer trends drive organizational adoption at every step down the supply chain—from ingredient buyers looking to differentiate their private labels, to brand managers eager to substantiate “gentle vitamin C” claims on packaging.
Years of customer feedback reveal that once a processor switches to Calcium Diascorbate, returns on finished goods and customer complaints linked to bitterness and shelf-life drop. The adaptability we see with Calcium Diascorbate—ease of formulation, compatibility with flavors, and stable nutritional profile—positions it as a preferred option in a growing number of product lines.
The best theory falls flat if ingredients don’t work on the actual shop floor. In manufacturing, we constantly face changes in raw material supply, sudden shifts in humidity, or complex formulation requirements from contracted food processors. Calcium Diascorbate brings an edge by buffering and providing dual nutritional roles, but it also demands vigilance during production.
In daily operation, one recurring issue is sensitivity to moisture pickup during storage. We learned early that investing in airtight packaging and strict environmental control in storage warehouses prevents caking and retains powder free-flow. Regular training for warehouse staff on proper handling, along with quick-action quality checks, keeps our shipment rejection rates low.
For those who use tablets or capsules in their offerings, process engineers appreciate Calcium Diascorbate’s compressibility, which allows smooth flow into tablet presses. Yet, issues sometimes crop up if the granule size shifts mid-campaign or if residual moisture runs high. In these cases, we work directly with tableting teams to adjust blends, add anti-caking agents, or tweak the mesh size at our side to keep lines running at design speed.
Supplement manufacturers benefit from our experience controlling cross-contamination with other minerals sourced from shared equipment. Stringent cleaning between production lines, scheduled downtime, and equipment audits have gone a long way in minimizing risk.
Scientific literature and real-use evidence confirm Calcium Diascorbate performs comparably to ascorbic acid in supplying vitamin C for human metabolism. Its dual identity—as both a calcium and vitamin C source—fits the nutritional trends for multifaceted products without unnecessary additives. Nutritional research into buffered vitamin C forms underlines improved gastric tolerance, especially for those who consume vitamin C at higher doses.
In food preservation, real-world shelf-life testing shows compositions containing Calcium Diascorbate resist browning in fruit-based systems and stabilize color in baked goods. That means less product downgraded for retail and better reviews from consumers. Our technical team tracks these outcomes in test lots and adapts process controls to reinforce stability without overusing secondary preservatives.
For beverage and supplement clients, solution clarity and flavor neutrality take top priority. Our ongoing comparative trials reveal that switching away from ascorbic acid to Calcium Diascorbate makes a difference in flavor panel ratings, especially in lightly sweetened or clear beverage formats. Tablet manufacturers report higher yields due to less sticking and powder loss, a direct result of our particle engineering and moisture control during drying.
Production of Calcium Diascorbate brings the responsibility to safeguard both employees and the community. We monitor air quality in production zones and use advanced filtration to prevent fine ascorbate dust escaping into the environment. Powder handling protocols and automated bagging minimize human exposure, while scheduled audits keep us vigilant about safety standards.
Our wastewater streams undergo treatment to recover valuable byproduct and minimize chemical release, in line with industry and local regulations. Plant personnel receive regular safety training and participate in simulated emergency responses—a practice that keeps accident rates low and ensures everyone knows what action to take in unusual scenarios.
We face upswings in costs for feedstock materials, energy, and transportation each year. As the main manufacturer, we absorb minor price changes to maintain steady supply for long-term clients, avoiding the volatility traders face. Customers maximize their production schedules because they know the quality and consistency will stay true regardless of market hiccups.
Trust stands out as the currency in our business model. By maintaining open channels with buyers, we solve problems openly—such as alerting them promptly if freight becomes delayed by weather events or if unexpected batch issues arise. While some competitors might chase short-term price undercutting, our repeated sales arise from staying consistent with product quality and batch performance over the long haul.
In dealing with export clients, we ensure our paperwork, traceability, and food safety documentation meet international standards. This transparency not only supports compliance during audits but also allows our customers to build their own brands securely, knowing their supply chain meets the standards their customers expect.
Being a manufacturer is more than scaling up metric tons. Each year, clients challenge us to provide better flow properties, improved solubility, or more complete documentation for regulatory filings. Changes in consumer trends and regulations around food fortification, clean labeling, or mineral ratios force new approaches in process control and supplier qualification.
We encourage process innovation—reviewing how small batch trials can uncover potential improvements for full-scale runs. For instance, we launched a feedback loop involving food scientists in different markets, leading to pilot-scale adjustments in our granulation and drying processes. Each revision gets tested in our own field trials before wider adoption, keeping quality rooted in practical results, not just paperwork.
Development never finishes—today’s guaranteed success story can become tomorrow’s liability if reliability slips or expectations change. By anchoring our methods in direct experience and transparent information sharing, we build resilience into our operations and help partners adapt to new formulation challenges.
Manufacturing Calcium Diascorbate has pushed us to merge scientific precision with grounded, practical focus. Every process tweak, every specification, and every shipment shapes how our product supports food and supplement innovation. The feedback we gather from real production lines ensures that the advantages go beyond nutritional buzzwords—touching performance, stability, and operational simplicity in ways that end users, retailers, and consumers all benefit from.
In daily operations, we stand behind our Calcium Diascorbate not just as a chemical compound, but as a result of continual learning, adaptation, and dialogue with the industries we serve. Facing tomorrow’s ingredient demands, we keep refining our product—guided by what works, what lasts, and what our partners need to keep moving forward.