Pyridoxine hydrochloride
| Nom du produit | Pyridoxine hydrochloride |
|---|---|
| Numéro CAS | 58-56-0 |
| Autres noms | Vitamin B6 hydrochloride, Pyridoxol hydrochloride, 5-Hydroxy-6-methyl-3,4-pyridinedimethanol hydrochloride |
| Formule moléculaire | C8H11NO3·HCl |
| Poids moléculaire | 205.64 g/mol |
| Apparence | White to almost white crystalline powder |
| Essai (HPLC) | 98.0%–102.0% (on dried basis) |
| Perte au séchage | ≤ 0,51 TP3T |
| Résidu au feu | ≤ 0,11 TP3T |
| Métaux lourds | ≤ 10 ppm |
| Solubilité | Freely soluble in water, slightly soluble in ethanol, practically insoluble in ether |
| Colis | Fût en fibre de 25 kg avec double revêtement en polyéthylène |
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Synonyms: Vitamin B6 hydrochloride, Pyridoxol hydrochloride, 5-Hydroxy-6-methyl-3,4-pyridinedimethanol hydrochloride, Aderoxine, Hexa-Betalin, Pyridoxinium chloride
Pyridoxine hydrochloride is the synthetic hydrochloride salt of pyridoxine (vitamin B6), a water-soluble vitamin that plays an essential role in amino acid metabolism, neurotransmitter synthesis, and hemoglobin production. Unlike the other B6 vitamers—pyridoxal and pyridoxamine—pyridoxine is the most stable and commonly used form in pharmaceutical and nutritional applications. Its hydrochloride salt further enhances stability and aqueous solubility, making it the preferred choice for oral solid dosage forms, injectables, and fortified foods.
First isolated in the 1930s and chemically synthesized shortly thereafter, pyridoxine hydrochloride has become a staple in clinical nutrition and preventive medicine. It serves as a precursor to pyridoxal 5′-phosphate (PLP), the biologically active coenzyme that catalyzes over 140 enzymatic reactions, including transamination, decarboxylation, and racemization. This central role in nitrogen metabolism explains its widespread use in treating deficiencies, alleviating nausea during pregnancy, and managing certain types of anemia and neuropathy.
In the pharmaceutical industry, pyridoxine hydrochloride is formulated into tablets, capsules, and sterile solutions, often in combination with other B-complex vitamins. It is also a key ingredient in energy drinks, infant formula, and dietary supplements, where it supports normal neurological function and red blood cell formation. Its well-documented safety profile and excellent stability make it a reliable choice for formulators worldwide.
| Paramètre | Spécifications |
|---|---|
| Essai (HPLC) | 98.0%–102.0% |
| Identification | IR absorption complies |
| Perte au séchage | ≤ 0,51 TP3T |
| Résidu au feu | ≤ 0,11 TP3T |
| Métaux lourds | ≤ 10 ppm |
| Limites microbiologiques | Nombre total de bactéries aérobies ≤ 1 000 UFC/g ; levures et moisissures ≤ 100 UFC/g ; absence d'E. coli |
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