Sodium Citrate Powder (E331-99)

Description

1. Product Overview

Sodium Citrate Powder (E331-99) is a high-purity sodium salt of citric acid, widely used as an acidity regulator, buffering agent, sequestrant, and stabilizer across food, beverage, pharmaceutical, and industrial applications. Its excellent solubility and reliable pH-buffering performance support consistent formulation, processing, and product stability. As a versatile multifunctional ingredient, it enables manufacturers to optimize formulation performance while supporting efficient large-scale production and regulatory compliance.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Trisodium citrate; sodium salt of citric acid
• CAS Number: 68-04-2 (anhydrous form)
• Food Additive Designation: E331
• Purity: ≥99%
• Grade: Food Grade / Industrial B2B Supply
• Physical Form: Fine crystalline powder
• Color: White
• Solubility: Highly soluble in water
• Functionality: Acidity regulator, buffering agent, sequestrant, stabilizer
• Particle Size: Fine, customizable according to application requirements
• Packaging Options: 25 kg bags, 500 kg–1,000 kg bulk bags, or customized industrial packaging
• Shelf Life: Typically 24–36 months when stored sealed in a cool, dry environment

3. Core Industrial Applications

• Food & Beverage: Used in beverages, dairy products, processed foods, confectionery, sauces, and prepared foods for acidity control, buffering, flavor optimization, and stability.
• Pharmaceuticals: Applied as a buffering and formulation aid in medicines, effervescent products, and oral preparations.
• Nutraceuticals: Supports mineral formulations, electrolyte products, and dietary supplement manufacturing.
• Dairy & Processed Foods: Helps regulate pH and improve processing stability and product consistency.
• Industrial Formulations: Used as a sequestrant and buffering component where controlled chemical performance is required.
• Performance Advantage: Its high purity, water solubility, and predictable buffering capacity enable precise formulation control, reducing process variability and supporting consistent batch quality.

4. Competitive Advantages

• Quality Consistency: ≥99% purity with controlled physical and chemical characteristics for dependable batch-to-batch performance.
• Supply Reliability: Structured bulk sourcing suitable for continuous industrial manufacturing requirements.
• Logistics Capability: Available in standard and bulk packaging formats with container-load supply options.
• Price Competitiveness: Bulk 20 MT procurement supports improved unit economics and efficient supply planning.
• Sustainability: Long shelf stability and efficient bulk transportation can help reduce packaging intensity and supply-chain waste.
• Technical Documentation: Commercial documentation such as specification sheets, Certificates of Analysis (CoA), Safety Data Sheets (SDS), and relevant compliance documentation can be provided according to buyer requirements.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 20 MT BULK
• Loading Capacity: Approximately 20–25 MT per 20-foot container, subject to packaging configuration, applicable payload limits, and destination requirements.