Dibasic sodium phosphate anhydrous CPH8 parentex plus 5kg - phosphate buffer system for microenvironment pH control in advanced formulation design
1. General Introduction to Dibasic Sodium Phosphate Anhydrous CPH8 PARENTEX PLUS 5KG
Dibasic Sodium Phosphate Anhydrous CPH8 PARENTEX PLUS 5KG is a high-purity inorganic phosphate salt (anhydrous Na₂HPO₄), developed from pharmacopeial-grade sodium phosphate systems (USP/Ph.Eur/BP), and further optimized into the CPH8 – PARENTEX PLUS grade to support formulation systems requiring precise pH control and high stability in industrial manufacturing.
From a chemical perspective, this is a mildly alkaline phosphate salt system capable of:
Forming a stable phosphate buffer system
Regulating acid–base balance within formulations
Maintaining a stable microenvironmental pH around active ingredients
However, the true differentiation lies not in its chemical name, but in how the material is engineered for formulation performance. Compared to conventional sodium phosphate anhydrous (base grade), CPH8 PARENTEX PLUS is more tightly controlled in terms of:
Particle size distribution
Flow uniformity
Ultra-low residual moisture
Stability under high-speed blending conditions
2. Chemical Information of Dibasic Sodium Phosphate Anhydrous CPH8 PARENTEX PLUS 5KG
Chemical formula: Na₂HPO₄·2H₂O
Category: High-purity inorganic phosphate salt
Standards: USP / Ph.Eur / BP
Form: Stable crystalline form with tightly controlled moisture content
3. Key advantages of Dibasic Sodium Phosphate Anhydrous CPH8 PARENTEX PLUS 5KG
Superior compressibility: Improves tablet hardness without affecting disintegration
High stability: Maintains formulation quality under long-term storage conditions
Broad compatibility: Suitable for a wide range of APIs
Optimized direct compression performance: Reduces intermediate steps and manufacturing costs
Pharmaceutical-grade purity: Meets stringent international standards
4. Technology Based Comparison of Phosphate Excipients
Criteria
Sodium Phosphate Anhydrous (CPH8)
Sodium Phosphate Anhydrous (Base)
Calcium Phosphate Dihydrate
Solubility
Fully soluble in water
Fully soluble in water
Insoluble
Primary role
Buffer system + functional excipient for formulation control
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