Specification Sheet
Product Name α-Cyclodextrin,
Produced by Wacker Chemie AG, Burghausen, Germany, Life Science, 98.0-101.0% cyclodextrin basis (HPLC)
Product Number 779008
Product Brand ALDRICH
CAS Number 10016-20-3
Molecular Weight 972.84
 
TEST SPECIFICATION
APPEARANCE (COLOR) White to Off White
APPEARANCE (FORM) Powder or Crystals
SPECIFIC ROTATION (20/D) 147.0 - 152.0 Degrees
SOLUBILITY (METHOD) 1 % in H2O
CLARITY OF SOLUTION positive
PH 5.0 - 8.0
LOSS ON DRYING ≤ 10.0 %
RESIDUE ON IGNITION ≤ 0.10 %
INFRARED SPECTRUM CONFORMS TO STRUCTURE
UV METHOD 1 % in H2O
Identification A (EP) positive
REDUCING SUBSTANCES ≤ 0.20 %
RELATED SUBSTANCES ≤ 0.5 %
IMPURITIES A, B AND C beta and gamma Cyclodextrine ≤ 0.25 % each
VOLATILE IMPURITIES Volatile organics ≤ 20 ppm
ABSORBANCE 230 - 350 nm ≤ 0.1
350 - 750 nm ≤ 0.05
HEAVY METALS ≤ 5 ppm
ASSAY Cyclodextrine Content 98.0 - 101.0 %