Vitamin B6 Pyridoxine

CAS Number
65-23-6
EC Number
200-603-0

What is Vitamin B6 Pyridoxine?

Pyridoxine (CAS 65-23-6), also known as Pyridoxol, is the stable, commercially dominant form of Vitamin B6. Also marketed as Pyridoxine Hydrochloride.

Where is Vitamin B6 Pyridoxine used?

  • Pharmaceutical manufacturing: active ingredient in B6 tablets and injectables
  • Combination vitamin preparations: deficiency treatment and prophylaxis
  • Nutritional supplements and functional foods: multivitamin blends and fortified cereals
  • Infant formula and sports nutrition: declared B6 label claims
  • Cosmetic formulators use it in scalp treatments and anti-hair loss serums where B6 activity supports keratinocyte function.
  • It serves as a pharmaceutical intermediate in the synthesis of Pyridoxal-5-Phosphate.

Good to know: The hydrochloride salt form is preferred for improved stability and water solubility in finished dosage forms.

Commercial specifications

  • Fine particle specifications offered for direct compression
  • Bulk quantities available for industrial-scale manufacturing

Other Names (Synonyms)

Pyridoxine|Pyridoxol|Pyridoxin|Hydoxin|Gravidox|Adermine|5-Hydroxy-6-methyl-3,4-pyridinedimethanol|4,5-bis(hydroxymethyl)-2-methyl-pyridin-3-ol|3-Hydroxy-4,5-dimethylol-alpha-picoline

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What are the physical properties of Vitamin B6 Pyridoxine?

Melting Point 159-162 °C
Boiling Point 298.46°C (rough estimate)
Density 1.2435 (rough estimate)
Appearance crystalline solid
Color White to Off-White
Odor Odorless
Form Solid
Refractive Index 1.5100 (estimate)
Log P -0.770

How is Vitamin B6 Pyridoxine classified and handled safely? Learn More

Warning
GHS07· Irritant

Hazard Statements

H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation

Precautionary Statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.

Which trade and regulatory codes apply to Vitamin B6 Pyridoxine?

HS Code 29362500
Storage Class 11 - Combustible Solids
WGK (Germany) 3
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