Oxygen difluoride

Synonyms & Trade Names

Difluorine monoxide, Fluorine monoxide, Oxygen fluoride

Physical Description

Colorless gas with a peculiar, foul odor. [Note: Shipped as a nonliquefied compressed gas.]

Incompatibilities & Reactivities

Combustible materials, chlorine, bromine, iodine, platinum, metal oxides, moist air, hydrogen sulfide, hydrocarbons, water [Note: Reacts very slowly with water to form hydrofluoric acid.]

Symptoms

irritation eyes, skin, respiratory system; headache; pulmonary edema; eye, skin burns (from contact with the gas under pressure)

Respirator Recommendations

NIOSH/OSHA

Up to 0.5 ppm:
(APF = 10) Any supplied-air respirator
(APF = 50) Any self-contained breathing apparatus with a full facepiece

Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted canister providing protection against the compound of concern^¿
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection