Why n-Heptane 99% ACS
n-Heptane 99% ACS delivers the strict purity, exacting analytical reliability, and trace-impurity control demanded by modern laboratories and highly regulated industrial environments. Meeting the stringent American Chemical Society specifications ensures an extremely low evaporation residue, guaranteeing consistent chemical behavior and baseline stability across repeated batches. As a clear, colorless liquid that is entirely insoluble in water but highly soluble in organic solvents, it functions as a highly predictable non-polar phase. Buyers requiring strict standardization select this specific grade to eliminate operational variables caused by unknown contaminants, relying on its controlled 4°C flash point and exact evaporation profile to maintain precision in sensitive environments.
Best Applications for This Grade
- Commonly applied in gas and high-performance liquid chromatography as a precisely defined mobile phase or sample preparation solvent, where the rigorous ACS specification guarantees minimal baseline noise and low UV absorption.
- Commonly applied in petroleum testing laboratories and refineries to evaluate and determine octane numbers, acting strictly as the standardized zero-point reference fuel for combustion engine analysis.
- Commonly applied in precision chemical synthesis and chemical extraction, functioning as a highly predictable, inert, non-polar solvent that reliably prevents unwanted side reactions triggered by trace moisture or trace heavy metals.
- Commonly applied in advanced surface preparation and critical parts cleaning for electronics manufacturing, where the solvent's rapid evaporation profile at room temperature delivers a strictly zero-residue finish to prevent micro-component failure.
- Commonly applied in polymer science and industrial resin manufacturing to control molecular weight during polymer precipitation, utilizing the exact 99% concentration to maintain consistent viscosity and sharp phase separation.
When to Choose a Different Grade
- Choose n-Heptane 99% Technical when formulating commercial paints, industrial coatings, adhesives, or rubber cements that rely on the specific evaporation rate of a straight-chain hydrocarbon but do not require strict laboratory-certified impurity limits.
- Choose n-Heptane 99% Technical when outfitting a maintenance department or manufacturing floor for heavy-duty metal degreasing, machinery preparation, or automotive parts cleaning where a highly refined analytical grade is economically unnecessary for the required solvency power.
- Choose n-Heptane 99% Technical if your operation primarily requires a basic non-polar carrier fluid for bulk industrial chemical reactions, and the specific American Chemical Society standardization brings no operational advantage to your final synthesized product.
| Molecular Weight |
100.20 |
| Formula |
C7H16 |
| Assay |
99-100.5% |
| Grade |
ACS Grade |
| Flash Point |
4°C |
| Form |
Liquid |
| Solubility |
Insoluble in water, soluble in organic solvents |
| Appearance |
Clear, colorless liquid |
| Melting Point |
-90.6 |
| Boiling Point |
98.0 |
| Specific Gravity |
0.684 |
| Industry |
Analytical Chemistry, Pharmaceutical, Food Industry, Research Laboratory, Industrial |