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Beryllium & beryllium compounds (as Be) |
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Synonyms & Trade NamesBeryllium metal: BerylliumOther synonyms vary depending upon the specific beryllium compound. |
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CAS No.7440-41-7 (metal) |
RTECS No.DS1750000 (metal) |
DOT ID & Guide1566 154 (compounds)1567 134 (powder) |
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FormulaBe (metal) |
Conversion |
IDLHCa [4 mg/m3 (as Be)]See: 7440417 |
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Exposure LimitsNIOSH REL: Ca C 0.0005 mg/m3 See Appendix AOSHA PEL: TWA 0.002 mg/m3C 0.005 mg/m3 (30 minutes), with a maximum peak of 0.025 mg/m3 |
Measurement MethodsNIOSH 7102 , 7300 , 7301 , 7303 , 9102; OSHA ID125G , ID206 See: NMAM or OSHA Methods |
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Physical DescriptionMetal: A hard, brittle, gray-white solid. |
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MW:9.0 |
BP:4532°F |
MLT: 2349°F | Sol:Insoluble |
VP:0 mmHg (approx) |
IP:NA |
Sp.Gr:1.85 (metal) |
Fl.P:NA |
UEL:NA |
LEL:NA |
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Metal: Noncombustible Solid in bulk form, but a slight explosion hazard in the form of a powder or dust. | |||||
Incompatibilities & ReactivitiesAcids, caustics, chlorinated hydrocarbons, oxidizers, molten lithium |
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Exposure Routesinhalation, skin and/or eye contact |
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SymptomsBerylliosis (chronic exposure): anorexia, weight loss, lassitude (weakness, exhaustion), chest pain, cough, clubbing of fingers, cyanosis, pulmonary insufficiency; irritation eyes; dermatitis; [potential occupational carcinogen] |
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Target OrgansEyes, skin, respiratory system |
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Cancer Site[lung cancer] | |||||
Personal Protection/Sanitation(See protection codes)Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: Daily Remove: When wet or contaminated Change: Daily Provide: Eyewash |
First Aid(See procedures)Eye: Irrigate immediately Breathing: Fresh air |
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Respirator Recommendations
NIOSH At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: Escape: |
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See also: INTRODUCTION See ICSC CARD: 0226 See MEDICAL TESTS: 0025 |
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