Rubrene Property

Melting point:

330-335 °C (lit.)

Boiling point:

>315°C

Density 

1.1750 (estimate)

refractive index 

1.7160 (estimate)

storage temp. 

Sealed in dry,Room Temperature

form 

powder

color 

Red

Water Solubility 

Soluble in hot toluene. Insoluble in water.

Sensitive 

Air Sensitive

BRN 

1917339

InChIKey

YYMBJDOZVAITBP-UHFFFAOYSA-N

CAS DataBase Reference

517-51-1(CAS DataBase Reference)

NIST Chemistry Reference

5,6,11,12-Tetraphenylnaphthacene(517-51-1)

EPA Substance Registry System

Naphthacene, 5,6,11,12-tetraphenyl- (517-51-1)

Absorption

λmax?299 nm (in THF)

Safety

Safety Statements 

22-24/25

WGK Germany 

3

F 

10-23

TSCA 

Yes

HS Code 

29029090

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

Rubrene Chemical Properties,Usage,Production

Description

Rubrene, a molecule with a tetracene backbone and four appended phenyl rings, is one of the most studied molecular semiconductors due to its high charge mobility. Notably, room-temperature hole mobilities of the order of 20-40 cm2V-1s-1 have been measured for rubrene in single-crystal organic field-effect transistors (SC-OFET). It is widely used in organic electronics, especially organic light-emitting diodes (OLEDs) and organic field-effect transistors (OFETs).

Chemical Properties

red crystalline powder

Uses

Rubrene is an organic semiconductor used in organic light-emitting diodes (OLEDs) and organic field-effect transistors. It is used as a sensitizer in chemoluminesence. It is also used to prepare single crystal transistors. It acts as a reagent for chemiluminescence research and for transition metal complex ligation. Further, it is used as a p-type organic semiconductor.

Preparation

Rubrene is an organic molecule that has long been known for its outstanding semiconductor performance in organic electronic devices.
Rubrene is prepared by treating 1,1,3-triphenylprop-2-yne-1-ol with thionyl chloride.

The resulting chloroallene undergoes dimerization and dehydrochlorination to give rubrene.

General Description

Rubrene is a tetraphenyl derivative of tetracene that is used as an organic semiconductor. It is used as a source material in the fabrication of rubrene single crystal based transistors with carrier mobility over 10 cm²V^?1s^?1.

Purification Methods

It has also been recrystallised from *benzene under red light because it is chemiluminescent and light sensitive. [Beilstein 5 IV 2968.]

Structure and conformation

The rubrene molecule is basically the tetracene molecule with four wings. Its family are the polycyclic aromatic hydrocarbons. When rubrene molecules combine to build orthorhombic crystals, the molecules have a centrosymmetric structure with 2/m symmetry, as shown in the figure (their tetracene backbone acquires a twist when the molecules are free from constrains). Symmetry considerations imply that transitions between electronic ground state and first excited state can only be mediated by electromagnetic radiation that is polarized parallel to the 2-fold symmetry axis of the molecule (the M axis), which is in the plane of the tetracene backbone and perpendicular to its long axis.
https://www.lehigh.edu/~inlo/rubrene.html