Wacker Cavamax® W7 PHARAM BETADEX Beta-cyclodextrin

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Wacker Cavamax® W7 PHARAM BETADEX Beta-cyclodextrin
Categories:	Other Engineering Material
Material Notes:	CAVAMAX® W7 is pharmaceutical grade betacyclodextrin. CAVAMAX® W7 with seven glucose units has the midsize cavity of the parent cyclodextrins. It is useful for stabilizing, solubilizing or delivering intermediate size molecules, e.g. menthol. Empirical formula: C₄₂H₇₀O₃₅ CAS No.: 7585-39-9 Information provided by Wacker Chemie AG.
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Physical Properties	Original Value	Comments

Bulk Density	0.400 - 0.700 g/cc
pH	5.0 - 8.0	1% aqueous solution
Molecular Weight	1135 g/mol
Ash	<= 0.1 %	Residue on ignition

Optical Properties	Original Value	Comments
Transmission, Visible	90 %	1% aqueous solution; 'Clear' but manufacturer does not quantify.

Processing Properties	Original Value	Comments
Moisture Content	<= 14 %

Descriptive Properties
Appearance	clear	1% aqueous solution
	solid -powder
Color	white
Content	<0.05	Light absorbing impurities of a 1% aqueous solution (350-750 nm)
	<0.1	Light absorbing impurities of a 1% aqueous solution (230-350 nm)
	<0.2%	Reducing substance (determined as dextrose)
	<0.25%	Related substance (alpha-Cyclodextrin)
	<0.25%	Related substance (gamma-Cyclodextrin)
	<100/g	Molds and yeasts
	<1000/g	Microorganisms
	<5 ppm	Heavy metals
	<5 ppm	Volatile organics
	0 in 10 g	Salmonella/E Coli
	98-101%	Content (on dry basis)
Content (%)	0.5	Related substances (other sugar)
Solubility	18.5 g/l	OECD 105, in water

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PWACK9052 / 204581

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