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          The National Institute for Occupational Safety and Health (NIOSH)
         1. NIOSH Pocket Guide to Chemical Hazards
      Vanadium dust
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        Vanadium dust
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                Synonyms & Trade Names
                  Divanadium pentoxide dust, Vanadic anhydride dust, Vanadium oxide dust, Vanadium pentaoxide dust
                CAS No.
                  1314-62-1
                RTECS No.
                  YW2450000
                DOT ID & Guide
                  2862 151
                Formula
                  V₂O₅
                Conversion
                IDLH
                  35 mg/m3 (as V)
                  See: vandust
                Exposure Limits
                  NIOSH REL
                  C 0.05 mg V/m3 [15-minute] [*Note: The REL applies to all vanadium compounds except Vanadium metal and Vanadium carbide (see Ferrovanadium dust).]
                  OSHA PEL
                  C 0.5 mg V2O5/m3 (resp) See Appendix G
                Measurement Methods
                  NIOSH 7300 , 7301 , 7303 , 7504 , 9102;
                  OSHA ID185
                  See: NMAM or OSHA Methods
                Physical Description
                  Yellow-orange powder or dark-gray, odorless flakes dispersed in air.
                Molecular Weight
                  181.9
                Boiling Point
                  3182°F (Decomposes)
                Melting Point
                  1274°F
                Solubility
                  0.8%
                Vapor Pressure
                  0 mmHg (approx)
                Ionization Potential
                  NA
                Specific Gravity
                  3.36
                Flash Point
                  NA
                Upper Explosive Limit
                  NA
                Lower Explosive Limit
                  NA
                  Noncombustible Solid, but may increase intensity of fire when in contact with combustible materials.
                Incompatibilities & Reactivities
                  Lithium, chlorine trifluoride
                Exposure Routes
                  inhalation, ingestion, skin and/or eye contact
                Symptoms
                  irritation eyes, skin, throat; green tongue, metallic taste, eczema; cough; fine rales, wheezing, bronchitis, dyspnea (breathing difficulty)
                Target Organs
                  Eyes, skin, respiratory system
                Personal Protection/Sanitation
                (See protection codes)
                Skin:Prevent skin contact
                Eyes:Prevent eye contact
                Wash skin:When contaminated
                Remove:When wet or contaminated
                Change:No recommendation
                First Aid
                (See procedures)
                Eye:Irrigate immediately
                Skin:Soap wash promptly
                Breathing:Respiratory support
                Swallow:Medical attention immediately
                Respirator Recommendations
                NIOSH (as V)
                Up to 0.5 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 1.25 mg/m3:
                (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*
                (APF = 25) Any powered, air-purifying respirator with a high-efficiency particulate filter.*
                Up to 2.5 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 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 35 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 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
                Important additional information about respirator selection
                See also
                INTRODUCTION MEDICAL TESTS: 0240
      Page last reviewed: October 30, 2019
        Content source: National Institute for Occupational Safety and Health
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      NIOSH Pocket Guide to Chemical Hazards
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          + A – NIOSH Potential Occupational Carcinogens
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          + C – Supplementary Exposure Limits
          + D – Substances with No Established RELs
          + E – OSHA Respirator Requirements for Selected Chemicals
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          + G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
          + Type C & CE – Definitions for Type C and Type CE Respirators
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          + First Aid Procedures
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