Propylene Glycol Alginate (E405)

Description

1. Product Overview
   Propylene Glycol Alginate (E405) is a chemically modified alginate ester derived from purified alginic acid and propylene glycol, formulated for industrial-scale stabilizing, emulsifying, and thickening applications. It is primarily used in food, beverage, pharmaceutical, and specialty chemical formulations to deliver predictable viscosity control, emulsion stability, and suspension performance across variable process conditions. The key value proposition is robust functionality with high formulation tolerance—providing consistent rheology, improved shelf stability, and reduced phase separation—enabling manufacturers to lower rework, extend product life, and simplify supply chains. Strategically, Propylene Glycol Alginate serves as a versatile performance polymer that replaces less stable or less regulatory-friendly alternatives while supporting scale-up and global regulatory compliance.

2. Key Specifications & Technical Characteristics

• Chemical composition: Propylene glycol ester of alginic acid (sodium salt presence variable by grade).

• CAS / E-number: E405 (CAS consistent with propylene glycol alginate family).

• Grade: Food/Pharma technical grade available; industrial grades for non-food applications also available on request.

• Purity: Typical active content 70–90% (grade-dependent); residuals and moisture controlled to specification.

• Appearance: Free-flowing powder or granular material; off-white to beige.

• Particle size: Standard 80–200 mesh; custom milling/particle-size distributions available.

• Bulk density: ~350–550 kg/m³ (grade and moisture dependent).

• Solubility: Dispersible in water; forms viscous solutions under controlled pH and temperature; compatible with common food acids and salts.

• Viscosity: Controlled viscosity profiles per specification (Brookfield or Rheometer data provided upon request).

• pH stability: Functional across pH ~3.0–7.5 depending on formulation and counter-ions.

• Salt tolerance: High tolerance to mono- and divalent salts versus unmodified alginates.

• Microbiology: Meets industrial microbial limits; sanitized handling and certificate of analysis (CoA) provided per batch.

• Heavy metals: Meets regulatory thresholds for intended grade; CoA includes heavy metals analysis.

• Packaging options: 25 kg kraft paper/PE-lined multiwall bags, 500 kg FIBCs, 1,000 kg bulk jumbo bags, and ISO-tank-compatible packaging for slurry forms.

• Shelf life: 24 months under recommended storage (cool, dry, sealed); shelf life supported by stability data.

3. Core Industrial Applications

• Food & Beverage: Stabilizer/emulsifier in sauces, dressings, dairy analogues, low-fat spreads, and beverage emulsions; provides consistent mouthfeel, prevents phase separation, and improves freeze–thaw stability.

• Pharmaceutical & Nutraceuticals: Thickening agent and suspension aid for syrups, suspensions, and topical formulations where predictable rheology and biocompatibility are required.

• Cosmetic & Personal Care: Emulsifier and viscosity modifier in creams, lotions, and gels to enhance texture and product stability.

• Industrial & Specialty Chemicals: Rheology modifier in coatings, adhesives, and emulsion polymer systems where salt and shear tolerance are needed.

• Operational use cases: Replacing less stable thickeners in large-scale mixing vessels, improving pumpability in continuous processes, enabling higher solids formulations, and reducing syneresis in filled products.
  Why it performs better: Propylene Glycol Alginate combines the film-forming and stabilizing benefits of alginates with improved solubility and salt/pH tolerance from propylene glycol esterification. This yields more robust performance under high-shear processing, better compatibility with acidic systems, and reduced sensitivity to ionic strength than many native polysaccharide alternatives—translating to lower dosing, less variability, and improved cost-in-use.

4. Competitive Advantages

• Quality consistency: Batch-to-batch tight spec control with full CoA, in-process controls, and traceability.

• Supply reliability: Industrial-scale production capacity with scalable supply agreements and contingency inventory to support continuous operations.

• Logistics capability: Multiple packaging formats, palletized shipments, sea/air freight readiness, and container-loading optimization (20 MT bulk per 20′ container typical for palletized/bagged product).

• Price competitiveness: Economies of scale and tailored grade selection allow competitive cost-in-use compared with specialty synthetic thickeners.

• Sustainability: Sourced from renewable algal feedstock with options for certified sustainable sourcing and reduced-carbon shipping plans; biodegradable polymer profile supports downstream wastewater treatment.

• Technical support: Application labs, formulation consultation, rheology testing, and downloadable technical data sheets (TDS) and safety data sheets (SDS) available.
  Positioning: Buying Propylene Glycol Alginate is a strategic sourcing decision—it reduces formulation risk, shortens product development cycles, and secures stable supply for high-volume manufacturing.

5. Commercial & Supply Information

• Minimum order quantity (MOQ): BULK 20 MT.

• Loading capacity: Typical loading per container: up to 20 MT for palletized 25 kg bags in a 20′ container; up to ~22–24 MT achievable in a 40′ high-cube with optimized palletization; FIBC/jumbo bag configurations subject to container weight limits and packing method—confirm per order.