Citric Acid Anhydrous

Core Focus: Ultra-precise moisture control, ultra-high purity and impurity control, high-temperature processing stability, and adaptation to high-end dry powder/pharmaceutical/fine chemical scenarios, highlighting TTCA's deep dehydration process and premium quality control.

Deep Dehydration Crystallization + Ultra-Low Moisture Precision Control

Built on 35 years of expertise in Aspergillus niger submerged fermentation with non-GMO corn feedstock, TTCA adopts high-temperature continuous crystallization paired with negative-pressure fluidized bed deep dehydration technology. The finished product moisture is stably controlled at ≤0.25%, with batch-to-batch fluctuation below 0.08% — far exceeding the industry standard limit of ≤0.5% for anhydrous citric acid. Free of crystal water and residual free moisture, it effectively prevents moisture precipitation and premature acid-base neutralization in dry powder formulations, eliminating pre-reaction risks between acidic ingredients and carbonates during long-term storage.

Compared with ordinary anhydrous citric acid (0.4%–0.8% moisture) and monohydrate citric acid (containing 8.6% crystal water), TTCA anhydrous grade delivers fully consistent moisture levels, supporting precise formula calculation without extra moisture correction work.

High-Purity Refining System for High-End Formula Compatibility

Through closed-loop refining and multi-stage ion exchange, the product maintains a stable purity of 99.8%–100.3%, above the 99.5% minimum required by national and pharmacopoeia standards. Heavy metal control reaches lead ≤0.3ppm and arsenic not detected; oxalate, readily carbonizable substances and sulfate ash content all sit far below FCC/EP/USP limits. Strict microbial control keeps total bacterial count <80CFU/g, with coliforms and Salmonella absent, making it suitable for infant formula and injectable pharmaceutical excipient applications.

Superior Thermal Stability for High-Temperature Manufacturing

With a melting point of 153℃, the product remains stable — no water separation, no caking, no acidity drift — during spray drying, extrusion granulation and baking processes at 80–130℃. Unlike monohydrate citric acid that loses crystal water at 74℃, or ordinary anhydrous products prone to local moisture regain at elevated temperatures, TTCA anhydrous citric acid supports continuous high-temperature production lines with consistent finished product appearance and acidity performance.

Customized Particle Size Grades for Automated Production

Via segmented temperature-controlled crystallization, TTCA offers three particle size specifications to match different production setups:

• Fine powder grade: For effervescent tablets and capsule fillers, with fast dissolution and uniform gas generation
• Medium crystal grade: For solid beverages and meal replacement powders, with low dust and no stratification during mixing
• Large particle grade: For hard candy and baking premixes, with high flowability and no bridging/blockage during loss-in-weight metering

Uniform crystal edges with no ultrafine powder aggregation ensure unobstructed screening conveying, automatic mixing and continuous tableting, with metering accuracy error <0.2%.

Targeted Advantages for Segmented Industries

1. High-End Dry Powder Food (Effervescent Tablets, Baking Premixes, Meal Replacements)

   Ultra-low free water prevents premature reaction with sodium bicarbonate during storage, extending shelf life by over 50%. Low water activity does not raise system moisture, inhibiting oil oxidation and mold growth to avoid stickiness and crystallization in premixes and chewing gum. For premium beverages and confectionery, it delivers pure acidity with strong chelating power, locks in fruit and vegetable pigments, prevents vitamin C oxidation and fading, and meets the supply standards of top-tier global food enterprises.

2. Pharmaceutical & Nutraceutical Applications

   Compliant with USP/EP/BP/JP pharmacopoeia standards, with customizable low-endotoxin pharmaceutical-grade specifications. Sterile dry powder and injection buffer systems are free from moisture interference, ensuring stable pH buffering accuracy and avoiding raw material hydrolysis failure. Nutritional supplement powders stay loose without moisture caking, maintaining stable mineral absorption rates.

3. Fine Chemical & Anhydrous Daily Chemical Systems

   In organic synthesis, epoxy resin polymerization and alcohol-based fragrance systems, it does not trigger side reactions caused by trace moisture. For concentrated powder detergents, it delivers stable chelating effect on scale and metal ions with minimal formula variables.

4. High-Temperature Processing Scenarios

   Adaptable to 80–140℃ high-temperature extrusion, puffing and spray drying processes, it prevents softening, water precipitation and mold sticking, resulting in uniform finished products free of white spots.

Quality Control & Global Compliance Backing

Equipped with a national-standard laboratory featuring Swiss-imported moisture analyzers, atomic absorption spectrometers and bacterial endotoxin testers, TTCA runs full-item testing for over 20 indicators per batch, and provides a complete Certificate of Analysis (COA) for every shipment. The production base holds ISO9001, ISO22000, FSSC22000, Kosher, Halal, BRC and GMP certifications, and simultaneously meets GB, FCC, USP, EP and JP standards. With 300,000 tons annual capacity and full traceability from non-GMO corn raw materials to finished goods, TTCA supplies to over 120 countries worldwide with smooth customs clearance.