Citric Acid Anhydrous 25 kg – Ultra-Dry Grade for High-Purity Applications
Our Citric Acid Anhydrous (C₆H₈O₇, 0% moisture) is a ≥99.7% pure acidifier produced via biotechnological fermentation and molecular sieve dehydration, meeting USP, FCC, and EU Food Grade standards. As a top-tier chemical manufacturer with 22 years of anhydrous specialty expertise, we export 10,000 MT annually to 60+ countries, focusing on 25 kg moisture-proof packaging for industries requiring absolute dryness and stability.

Technical Specifications (Anhydrous Grade)
|
Parameter |
Specification |
Test Method |
|
Purity (HPLC) |
≥99.7% |
USP <34> + Titration |
|
Moisture Content (KF) |
≤0.03% |
Karl Fischer (ASTM E1064) |
|
Residue on Ignition |
≤0.05% |
USP <281> |
|
Heavy Metals (as Pb) |
≤2 ppm |
ICP-OES (EPA 6010C) |
|
Sulfated Ash |
≤0.01% |
USP <241> |
|
pH (1% Solution) |
2.1–2.3 |
NIST-calibrated electrode |
|
Bulk Density |
0.78–0.85 g/cm³ |
Tapped Density (USP <616>) |
25 kg Moisture-Barrier Export Packaging
- Container: Quadruple-Layered Aluminum-Laminated Polyethylene Bags with:
Double-Sealed PE Inner Liner (food-grade, medical-grade barrier).
Aluminum Foil Middle Layer (blocks oxygen, moisture, and light).
UV-Resistant PP Outer Layer (prevents photo-oxidation).
- Sealing: Dual Heat-Welding + High-Tensile Stitching (withstands 1.8 m drop tests).
- Palletization: Vacuum-Shrink-Wrapped on 1.1 m x 1.1 m Heat-Treated Pallets (ISPM 15-compliant, 18 bags/pallet).
- Labeling: GHS-Compliant MSDS (24 languages) + UN 3265 (Class 8) Hazard Markings + Temperature-Sensitive Logistics Label (for hot climates).
Premium Applications (Anhydrous-Specific)
1. Pharmaceuticals:
Lyophilized Drug Excipient: Prevents moisture-induced degradation (e.g., vaccines, biologics).
Effervescent Tablet Core Agent: 20–30% w/w dosage for rapid fizz release.
2. Food & Beverage:
Powdered Drink Mix Stabilizer: Enhances solubility in low-humidity environments.
Cheese Coating Anticaking Agent: 0.5–1% w/w prevents clumping.
3. Industrial:
Electronics Cleaning Solvent: Removes flux residues at pH 2–3 (non-corrosive to copper).
Photographic Developer Buffer: Maintains pH 5.5–6.0 in silver halide processing.
4. Cosmetics:
Exfoliating Peel Active: 5–10% w/w in AHA formulations (pH 3.0–3.5).
Hair Dye pH Adjuster: Stabilizes oxidative colorants at pH 9.0–9.5.
Factory Advantages (Anhydrous Focus)
- Capacity: 10,000 MT/year with 99.9% batch-to-batch consistency via AI-controlled dehydration towers.
Sustainability:
100% Renewable Energy-Powered Dehydration (solar + biomass).
- Zero-Water Waste: Closed-loop condensation recovery system.
- Certifications:
FDA DMF Filed (Type III) for pharma-grade anhydrous.
ISO 22716 (GMP Cosmetics) and BRC Grade AA.
Why Choose Our Anhydrous Citric Acid?
- Ultra-Low Moisture: 0.03% max moisture (vs. 0.05% industry standard) for moisture-sensitive formulations.
- Cost Efficiency: 25% lower FOB pricing vs. EU/US suppliers via direct factory sales.
- Global Compliance: FDA, REACH, Halal, Kosher-Certified for all markets.
- Traceability: Lot-Specific QR Codes on bags link to real-time production batch records.
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