Isoquinoline, CAS No. 119-65-3

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119-65-3

Catalog No. EBD2220092

CAS 119-65-3

Name Isoquinoline

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Basic Information

Synonyms: 2-Azanaphthalene 2-Benzazine 3,4-Benzopyridine AI3-10035 Benzo(c)pyridine CCRIS5752 FEMANo.2978 Isochinolin[Czech] NSC3395 UNII-JGX76Y85M6 beta-Quinoline b-quinoline benzo[c]pyridine

Molecular Formula: C9H7N

Molecular Weight: 129.16

MDL Number: MFCD00006898

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > OLED and Organic Optoelectronic Precursors

Product Description:

Isoquinoline is a heterocyclic aromatic organic compound with the chemical formula C9H7N. It is a structural isomer of quinoline, consisting of a benzene ring fused to a pyridine ring. It is a colorless, hygroscopic liquid with a penetrating, unpleasant odor, and is slightly soluble in water but miscible with most organic solvents. Primarily, isoquinoline serves as a fundamental building block in organic synthesis. Its core structure is a privileged scaffold in medicinal chemistry, forming the basis for numerous alkaloids and pharmaceuticals, including the antimalarial drug primaquine and the muscle relaxant papaverine derivatives. It is also a key intermediate in the synthesis of dyes, agrochemicals, and other fine chemicals. Furthermore, isoquinoline and its derivatives are important in materials science, particularly as electron-transporting materials (ETMs) or host materials in organic light-emitting diodes (OLEDs) and other organic electronic devices due to their good electron affinity and thermal stability. The compound is typically handled with care as it is toxic if swallowed, inhaled, or absorbed through the skin, and it can cause severe eye and skin irritation. It is often sourced from coal tar or produced synthetically via methods like the Bischler-Napieralski reaction.

Physical Properties

Melting Point: 26-28 °C(lit.)

Boiling Point: 242-243 °C(lit.)

Flash Point: 102 °C

Density: 1.099 g/mL at 25 °C(lit.)

Solubility: practically insoluble

Refractivity: n20/D 1.623(lit.)

Storage: 2-8°C

Safety Information

Packing Level: III

Hazard Category: 6.1

Transport Codes: 2811

Analytical Data

Appearance: light brown low meltling solid