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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