ICSC 1244 - GERMANE

GERMANE	ICSC: 1244 (June 2011)
Germanium hydride Germanium tetrahydride

CAS #: 7782-65-2

UN #: 2192

EC Number: 231-961-6

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Extremely flammable. Gas/air mixtures are explosive.	NO open flames, NO sparks and NO smoking. Closed system, ventilation, explosion-proof electrical equipment and lighting.	Shut off supply; if not possible and no risk to surroundings, let the fire burn itself out. In other cases extinguish with carbon dioxide, dry powder. In case of fire: keep cylinder cool by spraying with water. Combat fire from a sheltered position.

STRICT HYGIENE!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Headache. Weakness. Dizziness. Abdominal pain. Confusion. Dark urine. Symptoms may be delayed. See Notes.	Use closed system.	Fresh air, rest. Refer immediately for medical attention.
Skin		Protective gloves.
Eyes		Wear safety spectacles.
Ingestion		Do not eat, drink, or smoke during work.

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Evacuate danger area! Remove all ignition sources. Consult an expert! Personal protection: self-contained breathing apparatus. Ventilation.	According to UN GHS Criteria DANGER Extremely flammable gas Contains gas under pressure; may explode if heated Fatal if inhaled May cause damage to blood if inhaled Transportation UN Classification UN Hazard Class: 2.3; UN Subsidiary Risks: 2.1
STORAGE
Fireproof.
PACKAGING

GERMANE

ICSC: 1244

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS COMPRESSED GAS WITH PUNGENT ODOUR. Physical dangers The gas is heavier than air and may travel along the ground; distant ignition possible. Chemical dangers The substance may ignite spontaneously on contact with air. Heating may cause violent combustion or explosion. Reacts with halogens and oxidants. This generates fire and explosion hazard.	Formula: GeH₄ Molecular mass: 76.6 Boiling point: -88.5°C Melting point: -165°C Relative density (water = 1): 1.53 Solubility in water: none Relative vapour density (air = 1): 2.65 Flash point: Flammable gas

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS COMPRESSED GAS WITH PUNGENT ODOUR.

Physical dangers
The gas is heavier than air and may travel along the ground; distant ignition possible.

Chemical dangers
The substance may ignite spontaneously on contact with air. Heating may cause violent combustion or explosion. Reacts with halogens and oxidants. This generates fire and explosion hazard.

Formula: GeH₄
Molecular mass: 76.6
Boiling point: -88.5°C
Melting point: -165°C
Relative density (water = 1): 1.53
Solubility in water: none
Relative vapour density (air = 1): 2.65
Flash point: Flammable gas

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation. Effects of short-term exposure The substance may cause effects on the blood. This may result in destruction of blood cells and kidney impairment. The effects may be delayed. Medical observation is indicated. Exposure far above the OEL could cause death.	Inhalation risk A harmful concentration of this gas in the air will be reached very quickly on loss of containment. Effects of long-term or repeated exposure The substance may have effects on the blood. This may result in lesions of blood cells and anaemia.

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation.

Effects of short-term exposure
The substance may cause effects on the blood. This may result in destruction of blood cells and kidney impairment. The effects may be delayed. Medical observation is indicated. Exposure far above the OEL could cause death.

Inhalation risk
A harmful concentration of this gas in the air will be reached very quickly on loss of containment.

Effects of long-term or repeated exposure
The substance may have effects on the blood. This may result in lesions of blood cells and anaemia.

OCCUPATIONAL EXPOSURE LIMITS
TLV: 0.2 ppm as TWA

ENVIRONMENT

NOTES
Depending on the degree of exposure, periodic medical examination is suggested. Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken. The symptoms of hemolysis may become manifest after several hours

ADDITIONAL INFORMATION

EC Classification

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    See Also:
       Toxicological Abbreviations