Pyridoxal-5-Phosphate Powder (P5P)
Pyridoxal-5-phosphate (P5P) powder for vitamin B6 supplement formulations, including standalone B6, B-complex and multivitamin products. Gensei supplies the ingredient with batch-specific quality documentation for procurement review.

P5P: Pyridoxal-5-Phosphate as a Vitamin B6 Ingredient
Pyridoxal-5-phosphate, commonly abbreviated as P5P, is a coenzyme form of vitamin B6 used in nutritional supplement formulations. The supplied material is a slightly yellow to off-white powder.
For formulation work, its physical properties matter as much as its identity. The specification describes P5P as very slightly soluble in water and includes particle-size, pH, water and density data that can be reviewed against the intended manufacturing process.
Pyridoxal-5-Phosphate Powder Specifications
Review the listed limits alongside the representative batch results and test methods. Confirm acceptance criteria against the requirements for your finished product.
| Test Item | Şartname | Representative Batch Result | Yöntem |
|---|---|---|---|
| Identity & Physical Properties | |||
| Açıklama | Slightly yellow or off-white powder | Uygunluk | Görsel |
| Tanımlama | Major product peak retention time corresponds to the standard | Uygunluk | ChP <0512> |
| Çözünürlük | Very slightly soluble in water; soluble in alkali-OH solution | Uygunluk | ChP General Notices |
| Erime Noktası | 140–145°C | 143°C | ChP <0612> |
| pH (0.25% in water) | 2.6–3.0 | 2.9 | ChP <0631> |
| Parçacık Boyutu | ≥90% through 30 mesh | Uygunluk | ChP <0982> |
| Yığın Yoğunluğu | — | 0.36 g/ml | USP <616> |
| Sıkıştırılmış Yoğunluk | — | 0.67 g/ml | USP <616> |
| Chemical Quality | |||
| Water by KF | ≤10,01 TP3T | 8.2% | ChP <0832> |
| Free Vitamin B6 | ≤0.05% | 0.02% | ChP <0512> |
| Assay (as C8H10NO6P, dry basis) | 98.5–101.0% | 99.0% | ChP <0512> |
| Elemental Limits | |||
| Total Heavy Metals | ≤10 ppm | <10 ppm | ChP <0821> |
| Kadmiyum | ≤0.5 ppm | 0.010 ppm | ChP <2321> |
| Arsenik | ≤1.5 ppm | <0.01 ppm | ChP <2321> |
| Kurşun | ≤0.5 ppm | <0.02 ppm | ChP <2321> |
| Cıva | ≤0.1 ppm | <0.005 ppm | ChP <2321> |
| Kalan Çözücüler | |||
| Toluene | ≤890 ppm | 8 ppm | ChP <0861> |
| Ethanol | ≤5000 ppm | 22 ppm | ChP <0861> |
| Microbiological Quality | |||
| Total Plate Count | ≤1000 CFU/g | <100 CFU/g | ChP <1105> |
| Maya ve Küf | ≤100 CFU/g | <10 CFU/g | ChP <1105> |
| Salmonella | Olumsuz | Olumsuz | ChP <1106> |
| E. coli | Olumsuz | Olumsuz | ChP <1106> |
| Staphylococcus aureus | Olumsuz | Olumsuz | ChP <1106> |
The batch results above are representative reference data, not a substitute for the current batch Certificate of Analysis supplied with an order.
Working with P5P Powder in Supplement Formulas
P5P is selected for vitamin B6 formulations where the pyridoxal-5-phosphate form is specifically required. Dosage form, blending behavior and finished-product requirements should be considered during development.
Standalone P5P Supplements
For products that specify P5P as the vitamin B6 source, formulation teams should confirm the intended serving level, label declaration and finished-product requirements before scale-up.
B-Complex Formulas
When P5P is combined with other B vitamins, review the ingredient ratios and blending sequence within the complete formula, then verify blend uniformity using the chosen manufacturing process.
Multivitamin Formulas
In broader multi-nutrient systems, assess P5P alongside the other active ingredients and excipients. Confirm the finished blend and product performance under the intended processing conditions.
Dozaj Formuna İlişkin Hususlar
For capsules, tablets and powder blends, consider how particle size and density relate to the wider blend. Flow, filling, compression and blend uniformity should be verified in the actual formulation rather than assumed from individual ingredient data.
From Specification Review to Raw-Material Approval
Use the product specification and batch documentation as part of your normal supplier qualification process, alongside your internal standards and finished-product requirements.
Documentation for Review
The representative COA shows the types of information recorded for a P5P batch. Before placing or releasing an order, request the current documentation and confirm that the supplied material meets your approved raw-material specification.
Any additional documents should be discussed according to your quality system, product category and destination-market requirements.
P5P Supply for Supplement Manufacturing
Discuss the order and documentation requirements with Gensei before confirming a supply plan for your production schedule.
Paketleme
Standard packing is 25 kg per drum. Confirm the required order quantity and any shipment-specific handling needs when requesting a quotation.
Quality Documents
Batch-specific COA information is available for review. Let the team know if your quality process requires additional documents or a particular document format.
Order Coordination
Share your destination market and expected purchasing schedule so product documentation and commercial details can be discussed before order confirmation.
Request a Quote for Pyridoxal-5-Phosphate Powder
For a more relevant quotation and document response, include the project details that matter to your purchasing and formulation team.
Sorgunuzu Gönderin
Share your company details and a short description of your P5P project.
