Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Xylene
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Sample COA. Lot-specific COAs ship with each order.
Last reviewed 2026-05-20.
COA · Answer summary
Typical certificate of analysis for Xylene. Lot-specific results ship with every order.
- Assay (computed)
- 100.00%
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (GC-FID) | 99.5 – 100.5 % | 100 % | GC-FID |
| Acidity (as acetic) | ≤ 0.002 % | 0.001 % | Titration per ACS/USP |
| Appearance/Odor | — | — | Visual Inspection |
| Chloride (Cl) | ≥ 0 ppm | 1 ppm | Ion Chromatography |
| Color (APHA) | ≤ 20 APHA | 5 APHA | ASTM D1209 |
| Distillation Range | ≤ 5 °C | 138 °C | ASTM D1078 |
| Distillation Range | 137 – 143 | 138 | Per specification |
| Nitrogen | ≤ 1 ppm | 0.5 ppm | Kjeldahl / Chemiluminescence |
| Specific Gravity @20°C | 0.865 – 0.875 g/mL | 0.8713 g/mL | Hydrometer @ 25°C |
| Sulfate (SO4) | ≤ 1 ppm | 1 ppm | Ion Chromatography |
| Water (Karl Fischer) | ≤ 0.05 % | 0.01 % | ASTM E203 / ISO 6296 |
| Water (Karl Fischer) | ≤ 100 ppm | 13 ppm | ASTM E203 |
Generated . Published by Alliance Chemical from first-party canonical product data. Our authority is hands-on chemical handling, DOT/GHS-compliant shipping, and government-registered distribution — not bench chemistry. Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.