Liquor, the main components are alcohol and water, and other components can be basically ignored.
53-degree liquor means that the alcohol content in liquor is 53% and the water content is 47%.
The density of alcohol is 0.789 g/ml, and the density of water is 1.0 g/ml. The density of 53-degree liquor is: 0.789g/ml x53%+1.0g/ml x47% = 0.88817+07g/ml.