4-Iodo-1,2-dimethylbenzene, CAS No. 31599-61-8

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31599-61-8

Catalog No. EBD14440

CAS 31599-61-8

Name 4-Iodo-1,2-dimethylbenzene

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Basic Information

Synonyms: 3,4-Dimethyliodobenzene 1,2-Dimethyl-4-iodobenzene 4-Iodo-o-xylene 4-Iodo-1,2-dimethylbenzene (4-Formyl-5-hydroxy-6-methyl-3-pyridinyl)methyldihydrogenphosphate (4-Formyl-5-hydroxy-6-methyl-3-pyridinyl)methyldihydrogen-phosphat (4-Formyl-5-hydroxy-6-methylpyridin-3-yl)methyl-dihydrogen-_phosphat (4-Formyl-5-hydroxy-6-methylpyridin-3-yl)methyldihydrogen-phosphat 200-208-3 4-Pyridinecarboxaldehyde,3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]- Aderoxal 4-pyri

Molecular Formula: C8H9I

Molecular Weight: 232.06

MDL Number: MFCD00040989

Categories: Synthetic Chemistry > Organic Building Blocks > Halogenated Compounds Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > OLED and Organic Optoelectronic Precursors

Product Description:

3,4-Dimethyliodobenzene is an organic compound featuring an iodine atom attached to a benzene ring substituted with two methyl groups at the 3 and 4 positions. It is a colorless to pale yellow liquid under standard conditions and serves as a versatile aryl iodide building block in organic synthesis. Its primary application is as a key intermediate in the synthesis of advanced organic materials, particularly in the field of optoelectronics. It is widely used in cross-coupling reactions, such as Suzuki, Stille, and Negishi couplings, to construct complex conjugated systems. This makes it a valuable precursor for the development of organic light-emitting diodes (OLEDs), organic semiconductors, and liquid crystal materials, where the introduction of the dimethylphenyl moiety can fine-tune electronic properties, solubility, and thermal stability. As a halogenated aromatic compound, it requires careful handling due to its potential lachrymatory effects and sensitivity to light. It is typically stored under inert atmosphere and away from light to prevent decomposition.

Physical Properties

Boiling Point: 106-108 °C/13 mmHg(lit.)

Flash Point: 113 °C

Density: 1.633 g/mL at 25 °C(lit.)

Refractivity: n20/D 1.603(lit.)

Analytical Data

Appearance: clear yellow to red-brown liquid