|
HS Code |
262066 |
| Chemical Name | Citric Acid |
| Molecular Formula | C6H8O7 |
| Molar Mass | 192.12 g/mol |
| Appearance | White crystalline powder |
| Taste | Sour |
| Solubility In Water | Very soluble |
| Melting Point | 153 °C |
| Ph 1 Solution | 2.2 |
| Cas Number | 77-92-9 |
| Odor | Odorless |
| Stability | Stable under normal conditions |
| Boiling Point | 310 °C (decomposes) |
| Density | 1.665 g/cm³ |
| Iupac Name | 2-hydroxypropane-1,2,3-tricarboxylic acid |
| Common Uses | Food additive, preservative, cleaning agent |
As an accredited Citric Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Citric Acid is packaged in a white, resealable 1 kg plastic pouch, labeled with contents, weight, handling instructions, and safety warnings. |
| Container Loading (20′ FCL) | For Citric Acid, a 20′ FCL typically loads 25 metric tons, usually packed in 25 kg bags or cartons, palletized. |
| Shipping | Citric Acid is shipped in tightly sealed containers such as bags, drums, or cartons to protect it from moisture and contamination. It should be stored and transported in a cool, dry, well-ventilated area, away from incompatible substances. Proper labeling and compliance with relevant regulations are essential during shipping. |
| Storage | Citric acid should be stored in a cool, dry, well-ventilated area away from heat, moisture, and incompatible substances such as strong bases and oxidizers. Keep the container tightly closed when not in use. Use non-reactive storage containers, such as those made of glass or certain plastics, to prevent contamination. Label storage containers clearly and follow local regulations for chemical storage. |
| Shelf Life | Citric acid typically has a shelf life of 3-5 years when stored in a cool, dry place in a sealed container. |
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Purity 99.5%: Citric Acid with purity 99.5% is used in pharmaceutical formulations, where it ensures consistent pH adjustment and enhances drug stability. Particle size <100 μm: Citric Acid with particle size <100 μm is used in effervescent tablet manufacturing, where it provides rapid dissolution and uniform reaction rates. Melting point 153°C: Citric Acid with a melting point of 153°C is used in food acidulation processes, where it delivers stable flavor profiles and maintains product safety at elevated temperatures. Monohydrate form: Citric Acid in monohydrate form is used in cleaning agent production, where it improves scale removal efficiency and boosts overall cleaning power. Stability temperature up to 175°C: Citric Acid with stability temperature up to 175°C is used in beverage processing, where it maintains acidity throughout pasteurization and extends shelf life. Anhydrous grade: Citric Acid in anhydrous grade is used in dry powder blends for food and beverage, where it offers excellent moisture control and prevents clumping. Heavy metals <1 ppm: Citric Acid with heavy metals content <1 ppm is used in cosmetics manufacturing, where it ensures high product safety and compliance with regulatory standards. |
Competitive Citric Acid prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@liwei-chem.com.
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Tel: +8615380400285
Email: sales2@liwei-chem.com
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We have spent years fine-tuning our citric acid production, focusing on delivering a product that meets demands for reliability and safety across multiple industries. The product we ship every day is anhydrous citric acid in powder and granular forms, as well as monohydrate. Our core model, CA-AN99, maintains a purity of no less than 99.5% by dry basis, which exceeds most food and pharmaceutical specifications. Physical inspection gives a fine, free-flowing white powder or granule, with pH measured at 1–2 in a standard 5% aqueous solution.
We control losses on drying, heavy metal residues, and sulfated ash precisely throughout every batch. Our typical moisture for monohydrate batches falls between 7.5% and 8.8%, and less than 0.5% for anhydrous, providing flexibility for formulators needing variable stability or handling characteristics. We have honed our process for low oxalate content, well below 100 ppm, to suit those strict beverage or pharmaceutical requirements. Each batch runs through full microbial scrutiny to rule out risk of E. coli, Salmonella, and yeast or mold contamination, addressing not just regulatory boxes, but also real-world safety concerns of manufacturers and consumers.
The majority of our output goes directly into the hands of food processors. Bakers and beverage companies need the swift, balanced tang of citric acid, as well as its reliable chelation properties for gelling and flavor stabilization. We understand a candy operation depends on exacting acidification to drive pectin or gelatin set. Our chelating abilities make our product valued for processed cheese, cured meat, wine, and carbonated drinks. We also work with pharmaceutical manufacturers needing citric acid for drug formulation—either as a buffering agent, effervescent base, or to bind free metal ions.
Many experienced buyers in the cleaning agent sector appreciate citric acid’s biodegradable nature and predictable limescale removal on surfaces from kitchen equipment to heat exchangers. We see much of our annual supply move into eco-friendly dishwasher tabs and auto-cleaning products. Water treatment companies trust our product to perform as a descaler that solubilizes metal ions without the long-term residue problems often seen with other carboxylic acids.
Our plant regularly produces custom mesh sizes. Confectionery and powdered drink mix formulators often request our smallest granulations, while tablet and detergent manufacturers order regular or large crystals to improve mixing and reduce dusting. We can fine-tune mesh distribution with consistent particle homogeneity so every dose or batch gets the same acidity profile and flow behavior.
Many customers ask how citric acid differs from other acidulants like tartaric or malic acid. Through our experience, citric acid delivers a more broadly acceptable tartness in beverages and packaged foods. Tartaric acid is sharper, sometimes overwhelming clear or lightly flavored formulations, and leaves a distinct aftertaste that can outstay its welcome in confectionery. Malic acid produces a softer, lingering sourness more popular in certain bottled juices but doesn’t dissolve as quickly as citric acid in cold manufacturing conditions.
From our daily production, we also see clear handling differences. Citric acid is markedly less hygroscopic than malic acid under normal storage, meaning fewer clumping or stickiness complaints from our bulk users. Maintenance managers in food facilities appreciate the way citric acid cleans up with less effort than phosphoric acid options, and does not attack stainless steel process lines or tank seals under routine concentrations. For formulators seeking to replace synthetic chelates like EDTA, citric acid presents a safer, naturally derived alternative, without the downstream wastewater headaches or scrutiny over persistent byproducts.
Every batch leaving our facility is checked for compliance with official pharmacopoeias and food safety standards. We personally run all necessary analyses—moisture, heavy metals, micro-contaminants, and appearance checks—alongside spot tests for non-standard demands, like specific mesh cut or moisture correction for arid regions. In the food chain, citric acid lays claim to strong regulatory acceptance, from FDA GRAS status in the United States to designations in European, Japanese, and Codex standards. Our own process documentation echoes what inspectors will ask for: full traceability from raw starch feedstock, fermentation, downstream purification, crystallization, and drying, to final packing.
We watch quality concerns as real operators. Single sources of material can expose producers to shortages or inconsistencies. Our production runs in dedicated, automated lines with staggered shutdowns for cleaning validation, helping avoid cross-contamination and keeping supply steady. Years of optimizing filtration and ion-exchange steps help us keep heavy metals and agricultural chemical residues below statutory and company-set benchmarks. Throughout scale-up, we worked with local and international inspectors, so we know how sensitive industries like baby food or intravenous pharmaceuticals have different acceptability thresholds, and we adjust methods accordingly.
Citric acid production today combines fermentation of renewable carbohydrate feedstocks—primarily corn starch—with energy-intensive downstream crystal formation and drying. Our plant engineers monitor water and energy usage patterns throughout every campaign. We have invested in high-efficiency evaporators and closed-loop air handling systems, cutting both energy bills and atmospheric emissions. We’ve built relationships with local wastewater facilities, confirming that our byproducts meet COD and pH parameters before discharge. Regular audits and in-process water recirculation let us move a step closer to minimizing consumption.
From what we see on the production floor, citric acid holds a unique edge over synthetic and mineral acidulants. It is fully biodegradable, mineralizes easily under standard municipal or plant wastewater treatment, and leaves no persistent organic toxins. This has a growing significance for industrial partners seeking not just compliance, but also brand reputation for clean labels and sustainable footprint. Downstream users increasingly seek declarations on GM-free, allergen-free, and certified sustainability status, which pushes us to screen our supply chain for non-transgenic raw supplies and avoid allergen cross-contact. We remain vigilant about the entire lifecycle—from fermentation to downstream filtration agents and final packaging materials—to ensure every kilogram of citric acid reflects an honest approach to cleaner manufacturing.
Troubles crop up in every operation, and we have learned a few things the hard way. Citric acid’s tendency to cake in high humidity challenged us early on. Over the years, we adjusted drier parameters and switched to moisture-proof bags with built-in liners, slashing customer complaints on lump formation in tropical regions. Static charge during powder filling caused dosing problems for tablet customers, but grounding and controlled humidity on our packing lines solved these headaches. In pharmaceutical blending, purity and contamination questions arise regularly, so we set up real-time batch analytics—HPLC for trace organics, ion chromatography for anion content, and plate counts within hours of crystallization. This plugs the gap between regulatory paperwork and real-life confidence of our downstream partners.
We know also that production upsets—fermentation contamination, lost yield, or color body ingress—can result from broken supply chains or lapses in plant controls. Our on-site team has invested in tracking every feedstock to origin, allowing for rapid trace-back and quarantine if microbial or chemical aberrations sneak in. During years of starch price volatility, we established multi-source agreements and validated alternative sources. This keeps production lines running in the face of crop failures or logistics surprises, ensuring customers keep their own plants running uninterrupted.
Some industrial customers ask for ultra-low metal concentrations, especially for cosmetic or high-grade food applications. Our process engineers routinely rework the ion-exchange stages and switch filter aids based on real feedback from those users, to maintain competitive lead times along with quality. We receive requests from beverage makers for specific mesh fractions—ultrafine for rapid clouding, regular for cold fill. We adapted our sifting and milling stages to hit the mark batch after batch.
From our own storage and shipping observations, citric acid keeps its integrity for a long period if protected from high humidity and direct sunlight. In a typical dry, cool warehouse, powder or granular types remain free-flowing and easy to dispense for at least three years. Bulk bags stay reliable if stacked on dry pallets and left sealed except during filling. Our team handles requests for custom-sized bags, from small packs for laboratories to jumbo bags for high-throughput processors.
The product’s non-corrosive nature in standard concentrations lets our partners handle it without exotic equipment. Mixers, hoppers, and pneumatic systems require ordinary stainless steel or polymer contact points—perfect for retrofitting older lines or scaling up seasonal production. Any spills or residues, as we have seen during preventive maintenance, clean up easily with water, reducing both downtime and environmental risk during normal plant operations.
Many customers return to our citric acid, not just for the price or brand, but for batch-to-batch reliability and real problem-solving on their lines. Over years, we have learned to follow through on post-delivery support—talking with R&D teams, helping with process troubleshooting, and sharing updates on crop or regulatory changes that might affect acidulant choice. This flow of information lets us explain why a fine mesh batch might dissolve faster in a soft drink pilot line, or why certain anti-caking measures are worthwhile investments under humid shipping paths. It’s not just a chemical; it is the backbone for entire supply chains in food, beverage, and industrial cleaning.
Our role as a manufacturer means every drum, sack, or tote reflects both technical precision and the experience of people who have solved the small challenges over time. Customers rely on our acid not just for regulatory credentials, but because they trust that every shipment will blend, dissolve, or react just as their process engineers expect.
Recent years have seen new biomedical and food applications for our product. Research teams request citric acid for tissue engineering scaffolds, wound care hydrogels, and slow-release pharmaceutical carriers. Clean-label trends push food brands toward acidulants they can recognize, which keeps demand strong in global markets. Our R&D colleagues are working on new crystallization profiles—ultrafine, agglomerated, or rapid-dissolving grades—suited for different sector requirements. Ongoing studies into microbiome balance and dietary blend interactions promise novel uses for citric acid, and we stay connected with these developments to improve or adapt our manufacturing as needed.
Environmental and regulatory factors shape raw material sources each year. We sit down regularly with agronomists and starch suppliers, staying ahead of pesticide or genetic modification rules, so our production remains both globally compliant and openly traceable. Our warehouse staff and outbound shipping teams stay updated on new handling regulations, stacking protocols, and hazard labeling—all rooted in everyday practice rather than desk policies.
Working day-to-day in citric acid production gives us a direct line to the needs and challenges our customers face. We know every kilogram entering a packaging line, every pallet loaded for export, impacts both our customers’ finished product and their reputation. Our production reflects not just theoretical know-how, but real answers that come from handling, testing, and adjusting thousands of tons each year. Reliable purity, predictable performance, and clear communication have built long relationships that carry across industries and continents.
Citric acid production remains both a science and a craft, reliant on steady raw supply, technical care, and open conversation with users. Our goal is not just to deliver a product, but to support growth and innovation for everyone who depends on what comes out of our process. This approach earns trust and keeps raising the bar for what manufacturers can expect from a true producer’s hands-on experience.