I have one of the newer version ISO3 I do not think it is the same as the ISO and ISO2 I believe they used some sort of acid involved correct [/QUOTE)
Nicotinic acid is readily soluble in both water and alcohol.
3.2.8Solubility
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Miscible (NTP, 1992)
National Toxicology Program, Institute of Environmental Health Sciences, National Institutes of Health (NTP). 1992. National Toxicology Program Chemical Repository Database. Research Triangle Park, North Carolina.
1000000 mg/L
SEIDELL,A (1941)
6.16 M
SEIDELL,A (1941)
Miscible with
water below 60 °C; very sol in alcohol,
chloroform, ether, petroleum ether, kerosene, oils
O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. Whitehouse Station, NJ: Merck and Co., Inc., 2006., p. 1128