Vitamin B6 Hydrochloride
Vitamins 2025-03-11
Molecular Formula: C8H11NO3·HCL
Molecular Weight: 205.64
CAS No.: 58-56-0
Product name:Vitamin B6 Hydrochloride
Description
It occurs as white or almost white, crystalline powder. It is stable in air, but is slowly affected by sunlight. Its solutions are acid to litmus, having a pH of about 3. One gram dissolves in 5 mL of water and in about 100 mL of alcohol. It is insoluble in ether. It melts at about 206° with some decomposition.
Application
It is used for the treatment of pellagra, vomiting in pregnancy, and peripheral neuritis caused by isoniazid. It is also used as a feed additive, a food additive, and also as a UV absorber added to cosmetics.
Specification
| Category | Parameters |
|---|---|
| Chemical Identity | |
| – IUPAC Name | Pyridoxine hydrochloride. |
| – CAS Number | 58-56-0. |
| – Molecular Formula | C₈H₁₁NO₃·HCl. |
| – Molecular Weight | 205.64 g/mol. |
| Physical Properties | |
| – Appearance | White to off-white crystalline powder. |
| – Solubility | Freely soluble in water; slightly soluble in ethanol. |
| – Melting Point | 205–209°C (dec.). |
| Quality Standards | |
| – Assay (USP/EP) | ≥98% (as pyridoxine HCl). |
| – Loss on Drying | ≤1.0%. |
| – Residue on Ignition | ≤0.1%. |
| – Heavy Metals | ≤10 ppm. |
| – Chloride Content | 19.2–19.6% (w/w). |
| Applications | |
| – Pharmaceuticals | Multivitamin formulations; treatments for anemia, dermatitis. |
| – Dietary Supplements | Tablets, capsules, fortified beverages. |
| – Food Fortification | Breakfast cereals, energy bars, infant formulas. |
| Storage | Cool (<25°C), dry, airtight container; protect from light. Shelf life: 36 months. |
| Regulatory Status | GRAS (FDA); USP/NF, EP, JP monographs. |
