company tower banner
Wacker Chemie AG Company Logo

CAVAMAX® W7 Pharma

1 of 12 products in this brand
CAVAMAX® W7 Pharma is a pharmaceutical-grade beta-cyclodextrin manufactured by Wacker Chemie AG. With its structure composed of seven glucose units, it possesses a mid-size cavity among the parent cyclodextrins. This product is particularly valuable for its ability to stabilize, solubilize, or deliver intermediate-size molecules, such as menthol.

Chemical Name: Betadex

CAS Number: 7585-39-9

Functions: Carrier, Solubilizer, Stabilizer, Taste Masker

Synonyms: Cycloheptaamylose, Cycloheptaglucan, Cycloheptaglucosan, Cyclomaltoheptaose, Stereoisomer of 5,10,15,20,25,30,35-heptakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29,32,34-tetradecaoxaoctacyclo[31.2.2.23,6.28,11.213,16.218,21.223,26.228,31]nonatetracontane-, β-Cycloamylose, β-Cyclodextrin, β-Cycloheptaamylose, β-Dextrin

Technical Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Chemical Name
Agrochemical Functions
Pharma & Nutraceuticals Functions
CAS No.
7585-39-9
Molecular formula
C₄₂H₇₀O₃₅
EC No.
231-493-2
Chemical Structure

CAVAMAX® W7 Pharma - Chemical Structure

Features & Benefits

Applications & Uses

Applications
  • CAVAMAX® Cyclodextrins & CAVASOL® Cyclodextrin Derivatives
  • Excipients & Auxiliaries
  • Increase Bioavailability
  • Processing Auxiliaries
Application Details
  • Solubilization, stabilization, delivery and isolation of mid-sized active ingredients, e.g. menthol, thymol, macrolides
  • Enhancement of both oral bioavailability and taste masking of pharmaceutical and agrochemical active ingredients; enabling delayed release of volatile materials

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Molecular Weight1135
Bulk Density400 - 700 kg/m³
Solubility in Water (at 25°C)18.5g/l
Microbiological Values
ValueUnitsTest Method / Conditions
Escherichia coli0per 10gMicrobiological photometric test
Microorganismsmax. 1000 per gramMicrobiological photometric test
Molds and Yeastsmax. 100per gramMicrobiological photometric test
Salmonella0per 10gMicrobiological photometric test
Specifications
ValueUnitsTest Method / Conditions
Absorbance (1% solution, in 230 - 350nm)max. 0.10Photometry
Absorbance (1% solution, in 350 - 750nm)max. 0.05Photometry
Alpha and Gamma Cyclodextrinmax. 0.25%USP/NF
Clarity (of 1% solution)ClearPH. EUR.
Cyclodextrin Content98.0 - 101%USP/NF
Heavy Metalsmax. 5 ppmUSP/NF
Limit of Reducing Sugarsmax. 0.2%USP/NF
LOD (including water)max. 14.0 %Halogen dryer
pH (in 1% aqueous solution)5.0 - 8.0PH. EUR.
Related Substancesmax. 0.5%USP/NF
Residual Solvent (toluene)max. 5ppmGas Chromatography
Residue on Ignitionmax. 0.10 %USP/NF
Specific Rotation (at 20°C, [α]/D20)160.0 - 164.0 DegreeUSP/NF

Regulatory & Compliance

Chemical Inventories

Packaging & Availability

Country Availability
Packaging Type
Regional Availability
  • Africa
  • Asia
  • Europe
  • Latin America
  • Middle East
  • North America
  • Oceania
Packaging Information

Units of 25 kg, 1000 kg, bulk.

Storage & Handling

Shelf Life
36 Months
Storage Information

Storage at room temperature in sealed containers under dry conditions is recommended. CAVAMAX® W7 PHARMA has a shelf life of at least 36 months when stored inunbroken original packaging in dry storage areas.