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. See: IDLH INDEX 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, 7301; OSHA ID213
See: NMAM or OSHA Methods
Personal Protection & Sanitation (See protection)
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
Important additional information about respirator selection
Respirator Recommendations NIOSH
Up to 10 mg/m3:
(APF = 10) Any air-purifying respirator with an N100, R100, or P100 filter (including N100, R100, and P100 filtering facepieces) except quarter-mask respirators. Click here for information on selection of N, R, or P filters.
(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 an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters.
(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 an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters./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