7,7,8,8-Tetracyanoquinodimethane

Independent reference data for 7,7,8,8-Tetracyanoquinodimethane (CAS 1518-16-7), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Documented uses on record

Synthetic Polymer MALDI Matrix CompoundsTetracyanoquinodimethane is an electron-acceptor that is used to prepare charge transfer salts, which are of interest in the area of molecular electronics. (L614)

Synonyms and trade names

1518-16-7; 7,7,8,8-Tetracyanoquinodimethane; TCNQ; Tetracyanoquinodimethane; Tetracyanoquinodimethan; Tetracyano-p-quinodimethane; Propanedinitrile, 2,2'-(2,5-cyclohexadiene-1,4-diylidene)bis-; Tetracyanoquinodimethan(e); 7,7,8,8-Tetracyano-p-quinodimethane; 7,7,8,8-Tetracyano-1,4-quinodimethan; 7,7',8,8'-Tetracyanoquinodimethane; 2-[4-(dicyanomethylidene)cyclohexa-2,5-dien-1-ylidene]propanedinitrile; 2,5-Cyclohexadiene-1,4-diylidenedimalononitrile; HC6FB4H2KW; 2,5-Cyclohexadiene-delta(sup1alpha:4alpha)dimalononitrile; NSC-105237

GHS hazard classification

Reported hazard statements	H301, H311, H331 (87%), H302 (10.9%), H332 (10.9%)

H301+H311+H331 (87%): Toxic if swallowed, in contact with skin or if inhaled [Danger Acute toxicity, oral; acute toxicity, dermal; acute toxicity, inhalation]

H301 (89.1%): Toxic if swallowed [Danger Acute toxicity, oral]

What the public record says

7,7,8,8-Tetracyanoquinodimethane · CAS 1518-16-7 · C12H4N4. UNII HC6FB4H2KW.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.