GERMANIUM TETRAHYDRIDE
| CAS # | 7782-65-2 |
|---|---|
| Formula |
GeH₄ |
| Synonyms |
germane; germanium hydride; germanomethane; monogermane [Note: Used chiefly for the production of high purity germanium for use in semiconductors.] |
| Physical description | Colorless gas with a pungent odor. | ||
|---|---|---|---|
| Boiling point | -127°F | Molecular weight | 76.6 |
| Freezing point/melting point | -267°F | Vapor pressure | >1 atm |
| Flash point | Vapor density | 2.65 | |
| Specific gravity | Ionization potential | 11.34 eV | |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 4 | NFPA fire rating | 4 |
| NFPA reactivity rating | 3 | NFPA special instruction | W: Reacts violently or explosively with water. |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | |||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | |||
| Sampling time* | |||
| Sampling volume (TWA)* | |||
| Sampling flow rate (TWA)* | |||
| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | |||
| Method reference | |||
| Notes | |||
| Special requirements |
* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.
| Wipe Sampler/Sampling media | |
|---|---|
| Bulk Method |
| Device | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
|
Sampling information (see manufacturer instructions) |
|
OSHA PEL
8-hour TWA (ST) STEL (C) Ceiling Peak |
NIOSH REL
Up to 10-hour TWA (ST) STEL (C) Ceiling |
ACGIH TLV©
8-hour TWA (ST) STEL (C) Ceiling |
|||||
|---|---|---|---|---|---|---|---|
| PEL-TWA |
|
REL-TWA |
0.2 ppm (0.6 mg/m³) |
TLV-TWA |
0.2 ppm [1970] |
PEL-TWA |
0.2 ppm (0.6 mg/m³) |
| PEL-STEL |
|
REL-STEL |
|
TLV-STEL |
|
PEL-STEL |
|
| PEL-C |
|
REL-C |
|
TLV-C |
|
PEL-C |
|
| Skin notation |
NA |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
|
Notes:
Not established |
Notes:
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Notes:
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Notes:
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| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: Not listed |
Notes:
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AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Germane NIOSH: Pocket Guide to Chemical Hazards - Germanium tetrahydride Literature References
|
Last Updated Date : 12/29/2020