Vitamins
REACH
Vitamin B7 Biotin
CAS Number
58-85-5
EC Number
200-399-3
What is Vitamin B7 Biotin?
Biotin (CAS 58-85-5), also known as Vitamin B7 or Vitamin H, is a water-soluble B-complex vitamin acting as a coenzyme in carboxylation reactions critical to metabolism.
Where is Vitamin B7 Biotin used?
- Nutritional supplements and functional foods: capsules, tablets and fortified products for hair, skin and nail health claims
- Pharmaceuticals: active ingredient in prescription and OTC formulations
- Personal care: shampoos, conditioners and topical serums
- Biotechnology: reagent in assay development, diagnostic kits and cell culture media, based on its affinity for streptavidin and avidin
- Feed-grade material serves animal nutrition.
Good to know: Pharmaceutical use requires documented purity and traceability to meet strict regulatory standards.
Commercial specifications
- Grades: USP, BP, Ph. Eur.
- Pre-diluted blends at 1% or 2% in carriers such as dextrose or starch
Other Names (Synonyms)
Biotin|5-[(3aS,4S,6aR)-2-oxo-hexahydro-1H-thieno[3,4-d]imidazolidin-4-yl]pentanoic acid|5-[(1R,5S,6S)-3-oxo-7-thia-2,4-diazabicyclo[3.3.0]oct-6-yl]pentanoic acid|5-(2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid|5-(2-Oxohexahydro-1H-thieno[3,4-D]imidazol-4-yl)pentanoate|1swr|1swn|1swk|(3aS,4S,6aR)-Hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-valeric acid
What are the physical properties of Vitamin B7 Biotin?
Melting Point 232 °C (decomp)
Boiling Point 573.6±35.0 °C(Predicted)
Density 1.42 g/cm³
Appearance White powder
Color White crystalline powder or fine long needles
Form powder
Water Solubility Soluble in hot water, dimethyl sulfoxide, alcohol and benzene.
Refractive Index 90.5 ° (C=2, 0.1mol/L NaOH)
pH 4.5 (0.1g/l, H2O)
Log P 0.861 (est)
Which trade and regulatory codes apply to Vitamin B7 Biotin?
HS Code 29362930
Storage Class 11 - Combustible Solids
WGK (Germany) 1