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| Silicon tetrahydride | CAS 7803-62-5 | ||
| SiH4 | RTECS VV1400000 | ||
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Synonyms & Trade Names Monosilane, Silane, Silicane |
DOT ID & Guide 2203 116 |
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Exposure Limits |
NIOSH REL: TWA 5 ppm (7 mg/m3) | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | Conversion 1 ppm = 1.31 mg/m3 | ||
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Physical Description Colorless gas with a repulsive odor. |
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MW: 32.1 |
BP: -169°F |
FRZ: -301°F |
Sol: Decomposes |
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VP: >1 atm |
IP: ? |
RGasD: 1.11 |
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Fl.P: NA (Gas) |
UEL: ? |
LEL: ? |
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| Flammable Gas (may ignite SPONTANEOUSLY in air). | |||
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Incompatibilities & Reactivities Halogens (bromine, chlorine, carbonyl chloride, antimony pentachloride, tin(IV) chloride), water |
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Measurement Methods None available See: NMAM or OSHA Methods |
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Personal Protection & Sanitation Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation |
First Aid (See procedures) Breathing: Respiratory support |
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Important additional information about respirator selection Respirator Recommendations To be added later |
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| Exposure Routes inhalation | |
| Symptoms Irritation eyes, skin, mucous membrane; nausea, headache | |
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Target Organs
Eyes, skin, respiratory system, central nervous system |
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| See also: INTRODUCTION See ICSC CARD: 0564 |