CAS 1330-20-7: Xylene (Mixed Isomers) (C8H10)
Identity
| CAS Number | 1330-20-7 |
| Molecular Formula | C8H10 |
| IUPAC Name | dimethylbenzene |
| Molecular Weight | 106.17 g/mol |
| SMILES | CC1=CC=CC=C1C |
| Synonyms | xylol, dimethylbenzene, methyl toluene |
2D Structure
Physical Properties
| Density | 0.864 g/mL at 25°C |
| Boiling Point | 138.5°C |
| Melting Point | -47.9°C |
| Flash Point | 27°C |
| Vapor Pressure | 0.8 kPa at 20°C |
| Refractive Index | nD = 1.497 |
| Dielectric Constant | ε = 2.4 |
Safety & GHS Classification
FlammableIrritantHealth Hazard
- H226: Flammable liquid and vapor
- H312: Harmful in contact with skin
- H315: Causes skin irritation
- H332: Harmful if inhaled
Storage: Store in cool, ventilated area away from strong oxidizers. Ground containers during transfer. Use spark-proof tools.
Material Compatibility Matrix
Plastics
| Material | Rating |
|---|
| PTFE | Excellent |
| PVC | Poor |
| PE | Fair |
| PP | Fair |
| PEEK | Excellent |
| PVDF | Good |
Rubbers
| Material | Rating |
|---|
| Viton | Severe Effect |
| NBR | Severe Effect |
| EPDM | Severe Effect |
| Silicone | Severe Effect |
| FKM | Severe Effect |
Metals
| Material | Rating |
|---|
| Stainless 316 | Excellent |
| Aluminum | Excellent |
| Copper | Excellent |
| Brass | Excellent |
Applications
- Paint and coating solvent
- Chemical intermediate for phthalic anhydride
- Rubber and leather industry solvent
- Histology laboratory clearing agent
- Printing and leather industries
External References: PubChem
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