化合物详情

CAS7783-61-1

分子式F4Si

分子量104.0791 g/mol

危化品

Physical Description | Silicon tetrafluoride appears as a colorless, nonflammable, corrosive and toxic gas with a pungent odor similar to that of hydrochloric acid. Very toxic by inhalation. Vapor is heavier than air. Under prolonged exposure to heat the containers may rupture violently and rocket.

科学粮草官-词典编辑部，修订于：2026-07-06

Toxicity

Probable Routes of Human Exposure

... NOT EMPLOYED IN INDUSTRY, BUT IT MAY BE DISCHARGED INTO AIR IN SMELTING OPERATIONS AS THE RESULT OF INTERACTION OF CALCIUM FLUORIDE WITH SAND OR WITH THE SILICA PRESENT IN ORES.

Symptoms

Eye Exposure: Redness.

Toxicity Data

LC50 (rat) = 2,272 ppm

Adverse Effects

Toxic Pneumonitis - Inflammation of the lungs induced by inhalation of metal fumes or toxic gases and vapors.

Exposure Routes

The substance can be absorbed into the body by inhalation.

Human Toxicity Excerpts

TOXIC BY INHALATION. STRONG IRRITANT TO MUCOUS MEMBRANES.