D-Chiro-Inositol

CAS Number
643-12-9
EC Number
211-394-0

What is D-Chiro-Inositol?

D-Chiro-Inositol (CAS 643-12-9) is a naturally occurring, vitamin-like member of the inositol family, with the molecular formula C₆H₁₂O₆ and a molecular weight of 180.16 g/mol.

Where is D-Chiro-Inositol used?

  • Nutraceutical and dietary supplement: functional ingredient for capsules, tablets and sachets
  • Food and nutrition: humectant and moisture-retention agent for texture stability in functional food matrices
  • Pharmaceutical and healthcare: oral dosage forms
  • Personal care and cosmetics: humectant and antioxidant-stabilising properties in skin-conditioning serums, creams and leave-on treatments
  • It is compatible with aqueous systems used in cosmetic manufacturing.

Good to know: Manufacturers requiring food-grade material should confirm compliance with applicable regional food additive regulations, as classification may vary across jurisdictions. Buyers in the pharmaceutical segment typically require documentation aligned with pharmacopoeial standards.

Commercial specifications

  • Assay purity ≥98%
  • White crystalline powder; melting point approximately 230 °C; bulk density around 0.87 g/ml
  • Packaging: 25 kg fibre drums or cartons; 1–5 kg lots for pilot batches
  • Certificate of analysis detailing assay, appearance, moisture content and physical parameters

Other Names (Synonyms)

An inositol|(+)-chiro-inositol|1,2,4/3,5,6-cyclohexanehexol|D-(+)-CHIRO-INOSITOL|D-Inositol|chiro-Inositol

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What are the physical properties of D-Chiro-Inositol?

Melting Point 249.5 °C
Boiling Point 232.96°C (rough estimate)
Density 1.598 g/cm³ @ Temp: 20 °C
Refractive Index 1.5730 (estimate)
pka 12.63±0.70(Predicted)
Water Solubility 403.4g/L(11 ºC)
Appearance Off-White Powder
Color White to Off-White
Form Solid

How is D-Chiro-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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