Toluene
C₆H₅CH₃ · CAS 108-88-3
High-purity toluene for normal-phase HPLC, GPC polymer analysis, and pharmaceutical synthesis. Low benzene content (≤1 ppm HPLC grade) meeting EU limit requirements.
Molecular Weight
92.14 g/mol
Boiling Point
110.6 °C
Density
0.867 g/mL
Molecular Formula
Available Grades
Analytical Specification
Analytical Specification Table
All values represent maximum allowable limits unless noted ≥. A lot-specific Certificate of Analysis (CoA) with ICP-MS, LPC, and GC data is issued for every shipment. Full data packages available on request.
| Parameter | Test Method | Unit | HPLC-G | HPLC | AR |
|---|---|---|---|---|---|
| Assay (GC) | GC-FID | % | ≥99.9 | ≥99.8 | ≥99.5 |
| Water Content (KF) | Karl Fischer | ppm | ≤20 | ≤30 | ≤200 |
| Benzene | GC-FID | ppm | ≤0.5 | ≤1 | ≤5 |
| UV Absorbance 269 nm | UV-Vis | AU | ≤0.005 | ≤0.01 | — |
| Residue on Evaporation | Gravimetric | ppm | ≤1 | ≤2 | ≤5 |
★ G5 = SEMI C1 Tier D (6N grade). All metal values by ICP-MS. Particle counts by in-line LPC during ISO Class 3 fill. CoA available on request.
Grade Comparison
G1 → G5 Purity Scale
Select the grade that matches your process node and contamination budget. Every grade is available from PureTech with full lot CoA and ICP-MS data.
All grades tested by ICP-MS (28 elements), in-line LPC (ISO Class 3 fill), and Karl Fischer titration. G5 = SEMI C1 Tier D. Full CoA per lot. Request CoA template →
Application Areas
Where Toluene Is Used
Semiconductor Process
- Organic semiconductor polymer research
- CNT dispersion for printed electronics
Laboratory & Analytical
- Normal-phase HPLC mobile phase
- GPC/SEC polymer MW analysis
- Friedel-Crafts reaction solvent
- Residual solvent analysis (ICH Q3C)
Industrial & Other
- Benzene/xylene production feedstock
- paint thinners & lacquers
- rubber processing
Packaging & Supply
Available Container Formats
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Our application engineers respond with full CoA data, ICP-MS reports, and supply chain details within one business day.