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Germanium tetrahydride																				Related Pages
Synonyms & Trade Names
			Germane, Germanium hydride, Germanomethane, Monogermane
					[Note: Used chiefly for the production of high purity germanium for use in semiconductors.]
CAS No.
			7782-65-2
	RTECS No.
			LY4900000
	DOT ID & Guide
			2192 119

FormulaGeH4
	Conversion
			1 ppm = 3.13 mg/m3
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELTWA 0.2 ppm (0.6 mg/m3)
					OSHA PEL none See Appendix G
	Measurement Methods
			None available 
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless gas with a pungent odor.
					[Note: Shipped as a compressed gas.]													
										
Molecular Weight76.6	
	Boiling Point-127°F
	Freezing Point-267°F
	SolubilityInsoluble
	Vapor Pressure>1 atm
	Ionization Potential11.34 eV											
Flash PointNA (Gas)
	Upper Explosive Limit?
	Lower Explosive Limit?
	Relative Gas Density2.65
Flammable Gas (may ignite SPONTANEOUSLY in air).
Incompatibilities & Reactivities
			Bromine
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
										
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
					  ICSC CARD: 1244

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Chemical Names, Synonyms and Trade Names
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CAS Numbers
RTECS Numbers
Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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