# NIOSH Pocket Guide to Chemical Hazards
Ferrovanadium dust | CAS 12604-58-9
FeV | RTECS LK2900000
Synonyms & Trade Names Ferrovanadium | DOT ID & Guide
Exposure Limits | NIOSH REL*: TWA 1 mg/m3 ST 3 mg/m3 [*Note: The REL also applies to Vanadium metal and Vadium carbide.]
OSHA PEL†: TWA 1 mg/m3
IDLH 500 mg/m3 | Conversion
Physical Description Dark, odorless particulate dispersed in air. [Note: Ferrovanadium metal is an alloy usually containing 50-80% vanadium.]
MW: 106.8 | BP: ? | MLT: 2696-2768°F | Sol: Insoluble
VP: 0 mmHg (approx) | IP: NA |  | Sp.Gr: ?
Fl.P: NA | UEL: NA | LEL: NA | MEC: 1.3 g/m3
Metal: Noncombustible Solid, but dust may be an explosion hazard.
Incompatibilities & Reactivities Strong oxidizers
Measurement Methods OSHA ID121, ID125G
Personal Protection & Sanitation Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation | First Aid (See procedures) Eye: Irrigate immediately Breathing: Respiratory support
Respirator Recommendations NIOSH/OSHA Up to 5 mg/m3: (APF = 5) Any dust and mist respirator* Up to 10 mg/m3: (APF = 10) Any dust and mist respirator except single-use and quarter-mask respirators*/(APF = 10) Any supplied-air respirator* Up to 25 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*/(APF = 25) Any powered, air-purifying respirator with a dust and mist filter* Up to 50 mg/m3: (APF = 50) Any air-purifying, full-facepiece respirator with a high-efficiency particulate filter/(APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode*/(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and a high-efficiency particulate filter*/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Up to 500 mg/m3: (APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode 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 with a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin and/or eye contact
Symptoms Irritation eyes, respiratory system; in animals: bronchitis, pneumonitis
Target Organs Eyes, respiratory system
See also: INTRODUCTION