# NIOSH Pocket Guide to Chemical Hazards
Tungsten (soluble compounds, as W) | CAS
| RTECS
Synonyms & Trade Names Synonyms vary depending upon the specific soluble tungsten compound. | DOT ID & Guide
Exposure Limits | NIOSH REL: TWA 1 mg/m3 ST 3 mg/m3
OSHA PEL†: none
IDLH N.D. | Conversion
Physical Description Appearance and odor vary depending upon the specific soluble tungsten compound.
Properties vary depending upon the specific soluble tungsten compound. |  |  |
Incompatibilities & Reactivities Varies
Measurement Methods NIOSH 7074; 7300; OSHA ID213
Personal Protection & Sanitation Recommendations regarding personal protective clothing vary depending upon the specific compound. Recommendations regarding eye protection vary depending upon the specific compound. Recommendations regarding washing the skin vary depending upon the specific compound. Recommendations regarding the removal of personal protective clothing that becomes wet or contaminated vary depending upon the specific compound. Recommendations regarding the daily changing of personal protective clothing vary depending upon the specific compound. Recommendations regarding the need for eyewash or quick drench facilities vary depending upon the specific compound. | First Aid (See procedures) Eye: Irrigate immediately Skin: Water wash Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations NIOSH Up to 10 mg/m3: (APF = 10) Any air-purifying respirator with a high-efficiency particulate filter/(APF = 10) Any supplied-air respirator Up to 25 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode Up to 50 mg/m3: (APF = 50) Any air-purifying, full-facepiece respirator with 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 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, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, respiratory system; in animals: central nervous system disturbances; diarrhea; respiratory failure; behavioral, body weight, blood changes
Target Organs Eyes, skin, respiratory system, central nervous system, gastrointestinal tract
See also: INTRODUCTION