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Pharmaceutical Intermediates

Pyridoxine hydrochloride

CAS: 58-56-0

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 Point207 °C
Density1.2784 (rough estimate)
Flash Point9°C
AppearanceCrystalline
ColorWhite to almost white
FormCrystalline Powder
Water Solubility0.1 g/mL (20 ºC)
Refractive Index1.5800 (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 Code29362500
UN Number1230
Packing GroupII
Storage Class11 - Combustible Solids
WGK (Germany)2

Other Names

vitamin B6 hydrochloride | pyridoxol hydrochloride | 5-hydroxy-6-methyl-34-pyridinedimethanol hydrochloride | 45-bis(hydroxymethyl)-2-methyl-pyridin-3-olhydrochloride | 45-bis(hydroxymethyl)-2-methyl-3-pyridinolhydrochloride | 3-hydroxy-45-dimethylol-alpha-picoline hydrochloride | 2-methyl-45-dimethylol-pyridin-3-olhydrochloride | 2-methyl-3-hydroxy-45-bis(hydroxymethyl)pyridine hydrochloride

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Chemical Properties

CAS Number
58-56-0
EC Number
200-603-0
Mol. Weight
205.64
HS Code
29362500

Industries

Documentation