Inositol (myo-Inositol)

CAS Number
87-89-8
EC Number
201-781-2

What is Inositol (myo-Inositol)?

Inositol (myo-Inositol) (CAS 87-89-8) is a naturally occurring cyclic polyol and vitamin-like nutrient of the B-complex family. Classified as a carbohydrate with the molecular formula C₆H₁₂O₆, it is the most abundant and biologically active isomer within the inositol group.

Where is Inositol (myo-Inositol) used?

  • Nutraceutical and dietary supplements: functional ingredient in capsule, tablet and powder formulations
  • Pharmaceuticals: material to Ph. Eur. and BP specifications
  • Food and functional food: nutritive additive in fortified beverages, infant nutrition bases and functional food matrices
  • Personal care and cosmetics: stabilising and conditioning agent in skin-care and hair-care formulations
  • Animal nutrition and feed: vitamin-like supplement in premixes and compound feeds, particularly for aquaculture and poultry
  • It is a structural component of cell membranes and is involved in cellular signalling pathways.

Good to know: Cosmetic-grade material is supplied with documentation to meet EU Cosmetic Regulation requirements. Feed-grade material comes with standard certificates of analysis and, where required, FAMI-QS-aligned quality documentation.

Commercial specifications

  • White crystalline powder
  • Free-flowing crystalline or fine-powder grades
  • Packaging: 25 kg fibre drums or cartons for bulk orders; 1 kg and 5 kg options for development or trial quantities
  • Shelf life under recommended dry storage conditions is typically 24 months from the date of manufacture

Other Names (Synonyms)

myo-inositol|Inositol|INOSITE|I-INOSITOL|D-MYO-INOSITOL|CYCLOHEXANEHEXOL|HEXAHYDROCYCLOHEXANE

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What are the physical properties of Inositol (myo-Inositol)?

Melting Point 225 °C
Boiling Point 226 °C
Density 1.752 g/cm³
Refractive Index 1.6170 (estimate)
pH 5-7 (100g/l, H2O, 20℃)
pka 12.63±0.70(Predicted)
Log P -2.08
Water Solubility 14 g/100 mL (25 ºC)
Appearance white powder
Color White
Odor odorless
Form Crystalline Powder

How is Inositol (myo-Inositol) 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
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