Heptane/CAS:142-82-5
Description:
n-Heptane is a clear liquid which is highlyflammable and volatile with a mild, gasoline-like odor. Theodor threshold is 40- 547 ppm; also reported at 230 ppm.Molecular weight = 100.23; Specific gravity (H2O:l)= 0.68;Boiling point = 98.39C; FreezingMelting point= - 90.6℃;Vapor pressure = 40 mmHg at 25℃; Flash point= 一4℃;Autoignition temperature = 204℃.285℃. Explosivelimits:LEL= 1.1%; UEL= 6.7%.Hazard Identification(basedonNFPA-704 M Rating System): Health 1,Flammability 3, Reactivity 0. Practically insoluble in water;solubility = 0.0003%.
specification
Item |
Specification |
Melting point | −91 °C(lit.) |
Boiling point | 98 °C(lit.) |
Density | 0.684 g/mL at 20 °C |
Vapor density | 3.5 (vs air) |
Vapor pressure | 40 mm Hg ( 20 °C) |
Refractive index | n20/D 1.397 |
Fp | 30 °F |
Storage temp. | Store at +5°C to +30°C. |
Form | Liquid |
Specific Gravity | 0.684 (20/4℃) |
Usage
Suitable for HPLC, spectrophotometry, environmental testing
As standard in testing knock of gasoline engines.
Heptane is a solvent and viscosity-decreasing agent.
Packaging and Shipping
137KG/Drum or as customer requirements.
It can deliver by ocean and air
Keep and storage
Shelf life:24 month from date of manufacture in original unopened packaging stored in a cool dry place out of direct sunlight, water.
Ventilated warehouse, Low temperature drying, Separated from oxidants, acids.