Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
n-Heptane 99% ACS
ACS · 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
- ACS · 99%
- Assay specification
- 99 - 100 % wt.
- Answer summary
Sample specification reference for n-Heptane 99% ACS. 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 - 100 % wt. | 99.10 % | Gas Chromatography |
| Appearance | Colorless and free from suspended matter/sediment | Passes test | — |
| Boiling range | 92.3-99.9 C | 96.1 C | — |
| Color (APHA) | 0 - 10 APHA | 4 | — |
| Identity | Conforms | Passes test | IR Spectra (USP <851>) |
| Refractive index (20 C) | 1.3868 - 1.389 | 1.3877 | — |
| Residue after evaporation | 0.001 % max | 0.00025 % | — |
| Density (25 C) | 0.68 - 0.695 | 0.6874 | — |
| Sulfur compounds (as S) | 0.005 % max | 0.000043 % | — |
| Thiophene | Pass | Passes test | — |
| Substances darkened by sulfuric acid | Passes test | Passes test | ACS monograph sulfuric acid test (visual) |
| acidity | 0.001 % max | 0.00040 % | — |
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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