Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
n-Heptane 99% Technical
99%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 142-82-5
- Structure
Structure · PubChem - Grade
- 99%
- Assay specification
- 99 % min.
- Answer summary
Sample specification reference for n-Heptane 99% Technical. Source-record results are reference values, not measurements for your lot.
Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay (n-Heptane) | 99 % min. | 99.02 % | G.C. |
| 3-Methylhexane | </=0.249 wt % | Passes test | GC |
| Acidity (as acetic acid) | 0.002 Maximum % | 0.00062 % | — |
| API Gravity 60 F | 72.7 - 74.7 | 73.8 | — |
| Boiling range | 92.3-99.9 °C | 96.1 °C | — |
| cis-1,2-Dimethylcyclopentane + methylcyclohexane | </= 1.0 wt % | Passes test | GC |
| Color (Saybolt) | >/= 28 | Passes test | — |
| Color (APHA) | 10 max. | 4 | — |
| Copper corrosion (2 hrs @ 212 F) | 1A or 1B | Passes test | — |
| Distillation, EP | </=213 °F | Passes test | — |
| Distillation, IBP | >/= 207 °F | Passes test | — |
| Largest other single component | </=0.149 wt % | Passes test | GC |
| Other C7 isomers (GC) | 1.0 Maximum % | 0.35 % | GC |
| Specific gravity @ 15.56 C | 0.680 - 0.695 | 0.6873 | — |
| Sulfur | </= 1.0 ppm | Passes test | — |
| trans-1,2-Dimethylcyclopentane | </=0.249 wt % | Passes test | GC |
| Weight per ml (at 20°C) | 0.683 - 0.684 | 0.6833 | — |
| Non-volatile matter | 0.005 % max. | 0.00059 % | — |
| Water | 0.005 % | 0.002 % | — |
| Benzene | 0.01 wt % max. | 0.00051 wt % | ASTM D4367 (GC) |
Specification limits and source-record results are reproduced from the current product reference used by the TDS. This sample is not an issued certificate and does not identify a tested lot. Contact Alliance Chemical with the product and lot number for lot-specific documentation.
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