Description
Doxofylline?Quick Details
Chemical Name: Doxofylline
CAS No.: 69975-86-6
Molecular Fomula: C11H14N4O4
Molecular weight:?266.25
Appearance:?White to off white crystalline powder
Assay: 98.0%-101.0%
Doxofylline?Typical Properties
Item
Specifications
Appearance
White to off white crystalline powder
Identification
A) The IR spectrum obtained from test sample should be concordant with the spectrum obtained with the Doxofylline RS.
B) HPLC??Retention time of principal peakin
sample must be concordant to that of standard
Solubility
Soluble in Water, Acetone, Benzene, Ethyl
acetate, Dioxane, Chloroform, Hot Methanol &
Hot Ethanol. insoluble in ether.
Melting point
144~146??
Loss on drying
Not more than 0.5%
Sulphated ash
Not more than 0.2%
Heavy metals
Not more than 20 ppm
Particle size
% Through Sieve 40 = 100%
% Through Sieve 60 NLT 95%
% Through Sieve 100 = 90 ?C 98%
Theophylline
Not more than 0.5%
Any Individual Impurity
Not more than 0.5%
Total Impurities
Not more than1.0%
Assay??on dried basis??
98.0%-101.0%
Doxofylline?application:
Used for pharmaceutical and scientific research.
Doxofylline?Packaging and Shipping?
25kg/fiber drum
Doxofylline?Storage
It should be stored in a clean, dry and cool place, preventing from sunlight, rain.
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