Mixed xylene CAS Number: 1330-20-7

Pharmaceutical Materials 2025-03-02

Chemical Name: Mixed Xylene

CAS Number: 1330-20-7

Formula: C8H10

Molecular Weight: 106.17 g/mol

Appearance: Colorless transparent liquid

Density: Approximately 0.86 g/mL at 25 °C

Usage: Widely used as an organic solvent in paints, coatings, resins, dyes, and other industrial applications.

Mixed xylene, also known as xylene mixture, is a chemical compound with the CAS number 1330-20-7. It is primarily a mixture of the three xylene isomers: ortho-xylene, meta-xylene, and para-xylene, along with small amounts of ethylbenzene. This colorless transparent liquid has a special aromatic odor and is widely used as an organic solvent in the chemical industry. Mixed xylene is also employed in the production of paints, coatings, resins, and as a raw material in the pharmaceutical and dye industries. It is important to handle mixed xylene with caution due to its flammability and potential health hazards.

Property Value
CAS Number 1330-20-7
Appearance Colorless transparent liquid
Odor Special aromatic
Density ≈0.86 g/mL at 25°C
Melting Point -34°C
Boiling Point 137-140°C
Flash Point 77°F (25°C)
Vapor Density 3.7 (vs air)
Refractive Index n20/D 1.497
Solubility Soluble in ethanol and ether, insoluble in water
Explosive Limit 7%
Chemical Stability Stable under normal conditions
Toxicity Moderate toxicity, harmful if inhaled or ingested

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