PRODUCT NAME: XANTHINOL NICOTINATE
EXPIRY DATE: 3 YEARS
ITEMS
STANDARD SPECIFICATIONS
RESULTS
CHARACTERISTICS
WHITE CRYSTALLINE OR CRYSTALLINE POWDER;
ODOURLESS; TASTELESS; FREELY SOLUBLE IN WATER
AND GLACIAL ACETIC ACID,VERY SLIGHTLY SOLUBLE IN DEHYDRATED ALCOHOL AND TRICHLOROMETHANE.
COMPLIES
MELTING POINT
180~184°C
180.2~181.3°C
IDENTIFICATION
(1) REACTION APPEARANCES POSITIVE
(2) REACTION APPEARANCES POSITIVE
(3) MAXIMUM ABSORBANCE AT THE
WAVELENGTH OF 267nm
(4) THE INFRARED ABSORPTION SPECTRUM
CORRESPONDS WITH THE SPECTRUM OF
STANDARD PREPARATION
POSITIVE
POSITIVE
COMPLIES
COMPLIES
CHECK
ACIDITY:
CLEAR AND COLOUR:
RELATED SUBSTANCES:
LOSS ON DRYING:
RESIDUE ON IGNITION:
HEAVY METALS:
MICROBIAL LIMIT:
PH 5.5~6.5
SHOULD UP TO SPECIFICATION
THE SPOTS OF IMPURITY LIGHT THEN THE MAIN SPOTS OF STANDARD PREPARATION
≤0.5%
≤0.1%
≤10ppm
SHOULD UP TO SPECIFICATION
6.3
COMPLIES
COMPLIES
0.3%
0.02%
COMPLIES
COMPLIES
ASSAY(ON DRY BASIS)
CONTENT C13H21N5O4·C6H5NO2≥98.0%
99.2%
CONCLUSION
THE PRODUCT COMPLIES WITH 2010 PUBLICATION CHINESE PHARMACOPOOLA