Overview
Pyridoxine hydrochloride (CAS 58-56-0 ), commonly sourced under the name vitamin B6 hydrochloride, is the stable salt form of vitamin B6 used across pharmaceutical, nutraceutical, and cosmetic manufacturing.
It functions as a bioavailable B-vitamin source in finished products requiring precise, measurable dosing of B6 activity. In pharmaceutical manufacturing, it is formulated into tablets, capsules, and injectable solutions.
These formulations target B-vitamin deficiency indications. Nutraceutical producers incorporate it into multivitamin blends, prenatal supplements, and functional food fortification programs where label-declared B6 content must meet specifications.
In cosmetic and personal care formulations, it is used in scalp treatments, anti-hair loss serums, and conditioning products. Here, B6 activity supports scalp and follicle health claims for consumers.
Food manufacturers apply it as a nutrient fortifier in breakfast cereals, infant formula, and meal replacement products. Pyridoxine hydrochloride is supplied as a white crystalline powder for industrial use.
It is available in USP , BP , Ph. Eur. , and food-grade specifications to meet the compliance requirements of pharmaceutical, dietary supplement, and food applications.
Bulk quantities are standard for industrial buyers, with smaller quantities available for R&D and quality control purposes. This ensures consistent supply chains for large-scale manufacturing and laboratory testing.
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Physical Properties
| Melting Point | 207 °C |
| Density | 1.2784 (rough estimate) |
| Flash Point | 9°C |
| Appearance | Crystalline |
| Color | White to almost white |
| Form | Crystalline Powder |
| Water Solubility | 0.1 g/mL (20 ºC) |
| Refractive Index | 1.5800 (estimate) |
| Log P | -1.098 (est) |
Safety & Handling
Danger GHS05 Hazard Statements H318 Causes serious eye damage Precautionary Statements P280 Wear protective gloves/protective clothing/eye protection/face protection. P317 Get emergency medical help. P264+P265 Wash … thoroughly after handling. P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29362500 |
| UN Number | 1230 |
| Packing Group | II |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 2 |
Other Names
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Chemical Properties
- CAS Number
- 58-56-0
- EC Number
- 200-603-0
- Mol. Weight
- 205.64
- HS Code
- 29362500
- Category
- Pharmaceutical Intermediates