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n-Heptane. Colorless liquid with a gasoline-like odor. Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F. NIOSH. Important additional information about respirator selection. Heptane, normal-Heptane Colorless liquid with a gasoline-like odor.
n-Heptane is defined as the zero point of the octane rating scale. It is a lighter component in gasoline, burns more explosively, causing engine pre-ignition in its pure form, as opposed to octane isomers, which burn more slowly and give less knocking.
Other hazards. Vapours may form explosive mixtures with air. Vapour heavier than air, may form an explosive mixture in air: it may be ignited at some distance away from the spill resulting in flashbacks. Flowing product can create electrostatic charge, resulting sparks may ignite or cause an explosion.
The Hazard fields include special hazard alerts air and water reactions, fire hazards, health hazards, a reactivity profile, and details about reactive groups assignments and potentially incompatible absorbents.
View or download the n-Heptane MSDS (Material Safety Data Sheet) or SDS for 104379 from Merck.
Physical dangers. The vapour is heavier than air and may travel along the ground; distant ignition possible. As a result of flow, agitation, etc., electrostatic charges can be generated. Chemical dangers Reacts violently with strong oxidants. This generates fire and explosion hazard. Attacks many plastics. Formula: C 7 H 1 6 / CH 3 (CH 2) 5 CH 3
Respiratory Protection Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.
