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Silicon tetrahydride

Synonyms & Trade Names
Monosilane, Silane, Silicane
CAS No.
7803-62-5
RTECS No.
VV1400000
DOT ID & Guide
2203 116
Formula
SiH4
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:
?
Fl.P:
NA (Gas)
UEL:
?
LEL:
?
RGasD:
1.11
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
Personal Protection/Sanitation
(See protection codes)
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation
First Aid
(See procedures)


Breathing: Respiratory support
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0564
 
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