CASRNs for anions

The following table lists selected anions alphabetically by anion name along with the ionic formula and CASRN.

The CASRN is useful in locating anions in the ILThermo database where information on ionic liquids and their cations and anions can be found. Further, ion CASRNs can be used to identify cation-anion compounds (salts including ionic liquids) in the Chemical Property Viewer (CPV) that interfaces the ThermoML Archive and other chemical property data collections.

Anion name	Formula	CASRN
bis[(trifluoromethyl)sulfonyl]imide	[C₂F₆NO₄S₂]^–	98837-98-0
bromide	[Br]^–	24959-67-9
chloride	[Cl]^–	16887-00-6
dicyanamide	[C₂N₃]^–	17997-40-9
dimethylphosphate	[C₂H₆O₄P]^–	7351-83-9
docusate	[C₂₀H₃₇O₇S]^–	999000-86-1
ethanoate	[C₂H₃O₂]^–	71-50-1
ethoxyethylsulfate	[C₄H₉O₅S]^–	597580-00-2
ethylsulfate	[C₂H₅O₄S]^–	48028-76-8
iodide	[I]^–	20461-54-5
methoxyethylsulfate	[C₃H₇O₅S]^–	597579-98-1
methylsulfate	[CH₃O₄S]^–	21228-90-0
nitrate	[NO₃]^–	14797-55-8
octylsulfate	[C₈H₁₇O₄S]^–	45102-38-3
p-toluenesulfonate	[C₇H₇O₃S]^–	16722-51-3
tetrafluoroborate	[BF₄]^–	14874-70-5
trifluoroacetate	[C₂F₃O₂]^–	14477-72-6
trifluoromethanesulfonate	[CF₃O₃S]^–	37181-39-8
tris[(trifluoromethyl)sulfonyl]methide	[C₄F₉O₆S₃]^–	130447-45-9

Hint
An analogous table for cations is available:
CASRNs for cations

Last update was made on March 2 in 2008 by Axel Drefahl
Please, email comments and suggestions to axeleratio@yahoo.com

Chemical Abstract Service Registry Numbers (CASRNs) for anions