# NIOSH Pocket Guide to Chemical Hazards
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. | 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
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
Respirator Recommendations To be added later
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