TETRATHIAFULVALENE

Synonym(s):Δ2,2′-Bi-1,3-dithiole;TTF

CAS NO.：31366-25-3
Empirical Formula: C6H4S4
Molecular Weight: 204.34
MDL number: MFCD00005492
EINECS: 250-593-7
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 06:14:10

What is TETRATHIAFULVALENE?

Chemical properties

ORANGE TO BROWNISH CRYSTALS OR CRYSTALLINE POWDER

The Uses of TETRATHIAFULVALENE

Electron donor for supramolecular synthesis,1 charge-transfer complex synthesis2 with 7,7,8,8-tetracyanoquinodimethane (cat. no. 157635), and for electron transfer to diazonium salts.3

The Uses of TETRATHIAFULVALENE

Molecular sensors; radical catalyst.

The Uses of TETRATHIAFULVALENE

Tetrathiafulvalene, holds wide application in HPLC, NMR. This heterocyclic compound contributed to the development of molecular electronics. They are used as a organic super conductors.

Definition

ChEBI: Tetrathiafulvalene is a member of the class of fulvalenes that is ethene substituted by 1,3-dithiol-2-ylidene groups at positions 1 and 2. It is an organosulfur heterocyclic compound and a member of fulvalenes.

General Description

Tetrathiafulvalene (TTF) is an electron-donor which consists of oligomers, dendrimers and polymers which can be used in the formation of redox macromolecules.

Purification Methods

Recrystallise it from cyclohexane/hexane under an argon atmosphere [Kauzlarich et al. J Am Chem Soc 109 4561 1987]. [Beilstein 19/11 V 380.]

Properties of TETRATHIAFULVALENE

Melting point:	116-119 °C (lit.)
Boiling point:	90℃ (1 Torr)
Density	1.448 (estimate)
refractive index	1.6000 (estimate)
storage temp.	2-8°C
form	Crystals or Crystalline Powder
color	Orange to brownish
Water Solubility	It is insoluble in water. Soluble in organic solvents.
Sensitive	Air & Light Sensitive
λmax	369nm(CHCl3)(lit.)
Merck	14,9242
BRN	1617956
CAS DataBase Reference	31366-25-3(CAS DataBase Reference)
EPA Substance Registry System	1,3-Dithiole, 2-(1,3-dithiol-2-ylidene)- (31366-25-3)

Safety information for TETRATHIAFULVALENE

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H317:Sensitisation, Skin
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P321:Specific treatment (see … on this label). P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention.