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NIOSH Document: Pocket G>!to Chemical Hazards: Arsenic (inorgaoompounds, a... Page 1 of 1 <br /> IF <br /> National Institute for <br /> AC-7loovoccupationalSafetyrandNealth <br /> SAFER-NRALTN1KRZ7P" 1 <br /> Search NIOSH I NIOSH Home i NIOSH Topics i Site Index I Databases and Information Resources ( NIOSH Products I Contact Us <br /> NIOSH Publication 2005-149 September 2005 <br /> NIOSH Pocket Guide to Chemical Hazards <br /> NPG Home i Introduction I Synonyms&Trade Names I Chemical Names I CAS Numbers i RTECS Numbers I Appendices I Search <br /> CAS 7440-38-2(metal) <br /> Arsenic (inorganic compounds, as As) <br /> As(metal) i RTECS CG0525000(metal) <br /> Synonyms&Trade <br /> � onyms de Names DOT ID&Guide <br /> Arsenic metal:Arsenia 1558 152(metal) <br /> Other synonyms vary depending upon the specific As compound.[Note:OSHA considers"Inorganic 1562 152(dust) <br /> Arsenic"to mean copper acetoarsenite&all inorganic compounds containing arsenic except <br /> ARSINE.] <br /> .,.,. ..., TM.. .s. <br /> Exposure NIOSH REL:Ca C 0.002 mg/m3[15 minute]See Appendix A <br /> Limits <br /> OSHA PEL:[1910.1018]TWA 0 010 mg/m3 <br /> IDLH Ca[5 mg/m3(as As)]See 7440382 Conversion <br /> Physical Description <br /> Metal Silver-gray or tin-white brittle,odorless solid <br /> _,,.- <br /> MW <br /> 74.9 BP:Sublimes 1 MLT 1135*F(Sublimes) Sol Insoluble i <br /> VP:0 mmHg(approx) IP NA I Sp Gr 5.73(metal) <br /> FLP:NA UEL:NA LEL NA <br /> Metal Noncombustible Solid in bulk form but a slight explosion hazard in the form of dust when exposed to flame. <br /> Incompatibilities&Reactivities <br /> i Strong oxidizers bromine azide[Note Hydrogen gas can react with inorganic arsenic to form the highly toxic gas arsine.] <br /> Measurement Methods <br /> NIOSH 7300,7301,7303,7900,9102;OSHA ID105 <br /> q.See:NMAM or OSHA Methods <br /> ) <br /> Personal Protection&Sanitation(See protection codes) °First Aid(See procedures) <br /> Skin:Prevent skin contact Eye:Irrigate immediately <br /> Eyes:Prevent eye contact Skin:Soap wash immediately <br /> Wash skin:When contaminated/Daily Breathing:Respiratory support <br /> Remove:When wet or contaminated Swallow:Medical attention immediately <br /> Change:Daily <br /> Provide Eyewash Quick drench <br /> Respirator Recommendations(See Appendix E)NIOSH <br /> At concentrations above the NIOSH REL,or where there is no REL,at any detectable concentration: <br /> (APF=10,000)Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive- <br /> pressure mode <br /> (APF=10,000)Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure <br /> mode in combination with an auxiliary self-contained positive-pressure breathing apparatus <br /> Escape: <br /> (APF=50)Any air-purifying,full-facepiece respirator(gas mask)with a chin-style,front-or back-mounted acid gas canister having an <br /> N100,R100,or P100 filter.Click here for information on selection of N,R,or P filters./Any appropriate escape-type,self-contained <br /> I breathing apparatus <br /> Important additional information about respirator selection <br /> Exposure <br /> Xposura Routes inhalation,skin absorption,skin and/or eye contact ingestion <br /> ....,__„.. a __.... w. ..- .., _...M <br /> Symptoms Ulceration of nasal septum,dermatitis,gastrointestinal disturbances,peripheral neuropathy,respiratory irritation, <br /> hyperpigmentation of skin [potential occupational carcinogen] i <br /> Target Organs Liver,kidneys,skin,lungs,lymphatic system <br /> Cancer Site[lung&lymphatic cancer] j <br /> R See also INTRODUCTION See ICSC CARD 0013 See MEDICAL TESTS 0017 <br /> NIOSH Home i NIOSH Search I Site Index I Topic List I Contact Us <br /> http://www.cdc.gov/niosh/npg/npgd0038.html 8/31/2009 <br />