Silicon tetrahydride |
Synonyms & Trade Names Monosilane, Silane, Silicane |
CAS No. 7803-62-5 |
RTECS No. VV1400000 |
DOT ID & Guide 2203 116 |
FormulaSiH4 |
Conversion 1 ppm = 1.31 mg/m3 |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: TWA 5 ppm (7 mg/m3)
OSHA PEL†: none |
Measurement Methods
None available
See: NMAM or OSHA Methods |
Physical Description Colorless gas with a repulsive odor. |
MW: 32.1 |
BP: -169°F |
FRZ: -301°F |
Sol: Decomposes |
VP: >1 atm |
IP: ? |
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Fl.P: NA (Gas) |
UEL: ? |
LEL: ? |
RGasD: 1.11 |
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| Flammable Gas (may ignite SPONTANEOUSLY in air). |
Incompatibilities & Reactivities Halogens (bromine, chlorine, carbonyl chloride, antimony pentachloride, tin(IV) chloride), water |
Exposure Routes inhalation |
Symptoms irritation eyes, skin, mucous membrane; nausea, headache |
Target Organs Eyes, skin, respiratory system, central nervous system |
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Personal Protection/Sanitation (See protection codes)
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation
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First Aid (See procedures)
Breathing: Respiratory support
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Respirator Recommendations Not available.
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0564
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