1,4-Difluorobenzene

Basic Information

CAS No.	540-36-3
EC No.	208-742-8
Linear Formula	C6H4F2
Molecular Weight	114.09 g/mol
Appearance	Colorless liquid
Melting Point	-23 °C (lit.)
Boiling point	88-89 °C (lit.)
Density	1.159 g/mL at 25 °C (lit.)
RIDADR	UN 1993 Class 3 Packing Group III
Chemical Structure

Key Applications

• Pharmaceutical intermediate: Used in synthesis of fluorinated active pharmaceutical ingredients.

• Solvent for reactions: Employed in organometallic couplings and fluorination processes.

• Agrochemical synthesis: Precursor for certain herbicides and insecticides.

• Liquid crystal production: Building block in advanced display materials.

• Analytical standard: Applied as reference compound in chromatography.

• Consistent quality suitable for demanding industrial processes: Ensured by regular specification checks.

• Stable export supply supported by established logistics channels: Provides dependable worldwide delivery.

• Full documentation support for industrial procurement: Supplies SDS, COA and transport documents.

• Professional technical communication and responsive service: Offers prompt assistance on product details.

Hazards Classification

GHS Classification: Flammable liquids Category 3 (GHS02).

Hazard Statements: H226 Flammable liquid and vapour.

UN Number: 1993

Hazard Class: 3 (Flammable liquids)

Packing Group: III

Flammable liquid with low flash point. Store in cool, grounded containers in ventilated areas away from ignition sources. Handle with anti-static precautions and suitable PPE.