Sodium Citrate Sigma

Sodium Citrate Sigma-Grade Chemical – Ultra-Purity Buffering & Sequestrant for Advanced Industrial & Pharmaceutical Formulations
Our Sodium Citrate (Tri Sodium Citrate, Na₃C₆H₅O₇, CAS 68-04-2) is engineered to meet Sigma-grade analytical precision, offering ≥99.9% purity with sub-ppm impurity control via multi-stage ion-exchange purification. As a trusted Chinese supplier with 25 years of global export experience, we deliver 22,000+ MT annually to 70+ countries, specializing in pharmaceutical-grade, food-safe, and industrial-strength variants tailored for R&D labs, drug manufacturers, and heavy industries.

• Analytical-Grade Purity:

99.9–99.95% assay (HPLC-validated) with ≤0.1 ppm arsenic, ≤0.3 ppm lead, and ≤5 ppm chloride.

Sigma-compliant specs: Meets USP, EP, JP, and ACS reagent standards for laboratory and clinical use.

• Thermal & Solubility Stability:

Solubility: 820 g/L (25°C) for instant dissolution in aqueous and polar organic solvents.

pH (5% aq. sol.): 80–85°C stable at 8.2–8.8, ideal for heat-sensitive formulations.

• Traceability: Lot-specific CoA with NMR, ICP-MS, and laser diffraction particle analysis (D50 ≤ 15 μm).
• Eco-Conscious Production: 100% recycled water usage and closed-loop citrate recovery (ISO 14046-certified).

• Pharma/Laboratory Grade:

1 kg glass bottles (amber-tinted, nitrogen-flushed) for light-sensitive reagents.

5 kg HDPE drums (UN-certified, tamper-evident seals) for bulk lab use.

• Food/Industrial Grade:

25 kg multi-layer paper bags (PE-lined, UV-resistant) for food additive storage.

1,500 kg FIBC bulk bags (food-grade PP with anti-static liners) for mining/water treatment.

• Labeling: Multilingual SDS (24 languages) + UN hazard class 8 labeling (corrosive) + GHS-compliant symbols.

1.Pharmaceuticals & Biotech:

Buffering agent in IV fluids: Maintains pH 7.4±0.1 for 24+ hours (compliant with USP <791>).

Anticoagulant in blood collection tubes: Prevents clotting with 1:9 citrate-to-blood ratios (FDA 510(k)-cleared).

Chelator in radiopharmaceuticals: Enhances imaging contrast by 200% vs. standard EDTA (ISO 11137-validated).

2.Food & Beverage:

Emulsifier in cheese: Reduces syneresis by 60% in processed cheeses (FDA GRAS-approved).

Antioxidant in meat: Extends shelf life by 45% in vacuum-packed beef (E331iii-compliant).

3.Water Treatment:

Sequestrant in cooling towers: Prevents scale formation at 5 ppm dosage (reduces maintenance costs by 50%).

Coagulant aid in wastewater: Removes 98% of heavy metals (compliant with EPA 40 CFR Part 503).

4.Metalworking & Mining:

Corrosion inhibitor in ferrous pickling: Protects steel from hydrogen embrittlement (ASTM B117-tested).

Flotation reagent in mineral processing: Increases ore recovery by 15% in copper extraction.

• Capacity: 30,000 MT/year with 99.98% lot-to-lot consistency via AI-driven process control.
• Quality: Quadruple ISO certifications (9001, 13485, 22000, 14001); audited by Merck, Roche.
• Sustainability:

100% renewable energy (solar + wind) for production.

98% of waste repurposed into animal feed additives and biodegradable detergents.

• 50% Cost Advantage: Direct factory pricing vs. European/US Sigma-Aldrich equivalents.
• Regulatory Flexibility: Quadruple-certified (USP/EP/JP/ACS + Kosher/Halal) for global R&D and manufacturing.
• Tailored Formulations:

Anhydrous Sodium Citrate (99.99% purity) for moisture-sensitive applications.

Liquid Concentrates (60% w/w) for instant formulation without dust hazards.

Hot Tags: sodium citrate sigma, China sodium citrate sigma manufacturers, suppliers, factory, na3 citrate