N-heptane is an organic compound with chemical formula C7H16. It is a colorless, transparent and volatile liquid. It is insoluble in water, soluble in ethanol and carbon tetrachloride, and miscible in ether, chloroform, acetone and benzene. It is mainly used as a standard and solvent for octane number determination, and can also be used for organic synthesis and preparation of experimental reagents.
1.Used as analytical reagent and solvent
2.Extraction solvent
3.As analytical reagents
4.Biochemical studies, protein sequence analysis. Determination of ozone, triglyceride. Pesticide residue analysis. Spectroscopic and fluorescence analysis. Standard fuel for the determination of antiknock properties of gasoline
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Test |
Specification |
Result |
Assay (GC),Heptanes |
99.9%min. |
>99.9% |
Assay (GC),Normal Heptane |
99.0% |
99.38% |
Assay (GC),Otder Isomers |
1.0% max. |
<1.0% |
Boiling Range |
92.3C-99.9C |
Pass |
Specific Gravity @15.56C |
0.68-0.695 |
Pass |
Acidity as Acetic Acid |
0.002% max |
<0.0002% |
Residue After Evaporation |
10 ppm max. |
<10 ppm |
Sulfer (as S) |
0.001% max. |
<0.0001% |
Water |
0.005% |
0.003% |
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