Toluene vs Xylene
Comprehensive comparison of Toluene and Xylene including physical properties, applications, safety considerations, and pricing. Alliance Chemical supplies both chemicals in various grades and concentrations.
Quick Comparison Summary
Physical & Chemical Properties Comparison
| Property | Toluene | Xylene | Key Difference |
|---|---|---|---|
| Boiling Point | 110.6 °C | 137-140 °C | Xylene boils 26.4°C higher |
| Flash Point ⚠️ | 4 °C | 27-32 °C | Toluene is more flammable |
| Density | 0.867 g/cm³ | 0.86-0.87 g/cm³ | Toluene is denser |
| Water Solubility | 0.052 g/100 mL at 20 °C | Insoluble in water | |
| pH | N/A | N/A | Data not available for direct comparison |
| Molecular Weight | 92.14 g/mol | 106.17 g/mol | Xylene is heavier molecule |
| Melting Point | -95 °C | -47.87°C (mixture of isomers) | Xylene melts 48°C higher |
| Vapor Pressure | 29 mmHg at 25°C | 8 mmHg at 20°C | Toluene is more volatile |
| Auto-ignition Temp ⚠️ | 480 °C | 463-528°C | Xylene auto-ignites at lower temp |
| Vapor Density | 3.14 (air = 1) | 3.66 (air = 1) | Xylene vapors sink more |
| Appearance | Clear, colorless liquid | Clear, colorless liquid | Similar appearance |
| Odor | Aromatic, benzene-like | Aromatic |
Data sourced from PubChem (NIH), OSHA Technical Guidelines, and Alliance Chemical laboratory analysis. Last verified April 2026.
Applications & Use Cases
Toluene Best For:
- Industrial solvent
- Laboratory reagent
- Chemical intermediate
- Paint thinner
- Adhesives manufacturing
Xylene Best For:
- Industrial solvent
- Paint thinner
- Component of gasoline
- Chemical intermediate
- Cleaning agent
Choosing Between Them
The right choice depends on your specific application, required purity, and handling capabilities. Contact our team for guidance on which chemical best fits your needs.
Safety & Handling Comparison
Storage Requirements
Always store in original containers in a cool, well-ventilated area per NFPA 30 guidelines. Refer to each product's SDS for specific storage temperature ranges and incompatible materials.
PPE Requirements
At minimum: chemical-resistant gloves, safety goggles, and adequate ventilation per OSHA 29 CFR 1910.132-138. Check each SDS below for chemical-specific PPE requirements.
Fire Hazard
Toluene has a lower flash point and requires extra fire precautions.
Safety Data Sheets (SDS)
Which Chemical Should You Choose?
Decision Snapshot
| Decision Factor | Better Fit | Why |
|---|---|---|
| Evaporation Profile | Toluene | Lower boiling point supports faster flash-off. |
| Fire Safety Margin | Xylene | Higher flash point generally reduces ignition risk in handling and storage. |
| Application Breadth | Tie | Compares distinct listed use cases to avoid generic recommendations. |
| Purity Flexibility | Standard grades | Based on availability of 99%+ concentration options in current product metadata. |
Choose Toluene if:
- You specifically need support for adhesives manufacturing applications.
- You specifically need support for gasoline octane booster applications.
- You want a faster-evaporating solvent for quick-dry production steps.
- You can manage stricter flammable-liquid controls for lower flash-point performance.
Choose Xylene if:
- You specifically need support for component of gasoline applications.
- You specifically need support for cleaning agent applications.
- You need a higher-boiling solvent that stays in-process longer.
- Fire-risk controls are a priority and you prefer the higher flash-point option.
Commercial & Fulfillment Snapshot
Built for purchasing teams that need predictable dispatch, compliant documentation, and freight flexibility from parcel to full truckload.
| Procurement Advantage | Toluene | Xylene |
|---|---|---|
| Grade & Concentration Coverage | multiple concentration options by application with industrial/lab procurement support. | multiple concentration options by application with industrial/lab procurement support. |
| Packaging Depth | small packs through bulk freight quantities for parcel, pallet, and truckload planning. | 1 Quart Can to 4 x 55 Gallon Drums for parcel, pallet, and truckload planning. |
| Dispatch SLA | Order by 1 PM CT (Mon-Thu) or noon CT Friday for same-business-day outbound from Taylor, TX. | Order by 1 PM CT (Mon-Thu) or noon CT Friday for same-business-day outbound from Taylor, TX. |
| Freight Optionality | UPS Ground for small packs plus LTL/FTL lanes through ABF, SEFL, Saia, XPO, and partner carriers. | UPS Ground for small packs plus LTL/FTL lanes through ABF, SEFL, Saia, XPO, and partner carriers. |
| Compliance Readiness | SDS ready now; COA/TDS support available pre-PO and post-order. | SDS ready now; COA/TDS support available pre-PO and post-order. |
| Bulk Procurement CTA | Request bulk quote or call (512) 365-6838. | Request bulk quote or call (512) 365-6838. |
Need Help Deciding? Our technical team can help you choose the right chemical for your specific application. Email sales@alliancechemical.com for expert guidance.
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Alliance Chemical supplies both Toluene and Xylene in various grades and package sizes.