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Barium sulfate |
CAS 7727-43-7 | ||
BaSO4 |
RTECS CR0600000 | ||
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Synonyms & Trade Names Artificial barite, Barite, Barium salt of sulfuric acid, Barytes (natural) |
DOT ID & Guide 1564 154 (barium compound, n.o.s.) |
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Exposure
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NIOSH REL: TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp) | ||
| OSHA PEL†: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp) | |||
| IDLH N.D. See: IDLH INDEX | Conversion | ||
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Physical Description White or yellowish, odorless powder. |
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MW: 233.4 |
BP: 2912°F (Decomposes) |
MLT: 2876°F |
Sol(64°F): 0.0002% |
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VP: 0 mmHg (approx) |
IP: NA |
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Sp.Gr: 4.25-4.5 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid | |||
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Incompatibilities & Reactivities Phosphorus, aluminum [Note: Aluminum in the presence of heat can cause an explosion.] |
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Measurement Methods NIOSH 0500, 0600 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: Daily Remove: No recommendation Change: No recommendation Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations Not available. |
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| Exposure Routes inhalation, skin and/or eye contact | |
| Symptoms Irritation eyes, nose, upper respiratory system; benign pneumoconiosis (baritosis) | |
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Target Organs
Eyes, respiratory system |
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| See also: INTRODUCTION See ICSC CARD: 0827 See MEDICAL TESTS: 0021 |