NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

Germanium tetrahydride

CAS
7782-65-2

GeH4

RTECS
LY4900000
Synonyms & Trade Names

Germane, Germanium hydride, Germanomethane, Monogermane [Note: Used chiefly for the production of high purity germanium for use in semiconductors.]
DOT ID & Guide
2192 / 119

Exposure
Limits

NIOSH REL: TWA 0.2 ppm (0.6 mg/m3)
OSHA PEL: none
IDLH
N.D. See: IDLH INDEX
Conversion
1 ppm = 3.13 mg/m3
Physical Description
Colorless gas with a pungent odor. [Note: Shipped as a compressed gas.]
MW: 76.6
BP: -127°F
FRZ: -267°F
Sol: Insoluble
VP: >1 atm
IP: 11.34 eV
RGasD: 2.65

Fl.P: NA (Gas)
UEL: ?
LEL: ?

Flammable Gas (may ignite SPONTANEOUSLY in air).
Incompatibilities & Reactivities

Bromine
Measurement Methods
None available
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
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
Exposure Routes
inhalation
Symptoms
Malaise (vague feeling of discomfort), headache, dizziness, fainting; dyspnea (breathing difficulty); nausea, vomiting; kidney injury; hemolytic effects
Target Organs
central nervous system, kidneys, blood
See also: INTRODUCTION   See ICSC CARD: 1244