Digermane

  • Germanium hydride (Ge2H6)
Formula
Ge2H6
Structure
Description
colorless liquid, flammable
Uses
Used for the deposition of amorphous and epitaxial germanium thin films.

Registry Numbers and Inventories.
CAS
13818-89-8
12 20/21/22 36/37/38
16 24 26 36/37/39
UN (DOT)
1953

Properties.
Formula
Ge2H6
Formula mass
151.27
Melting point, °C
-109
Boiling point, °C
31.5

Hazards and Protection.
Storage
Keep tightly closed. Keep away from heat, sparks, and open flame. Cylinder temperature should not exceed 52 C.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Small spills/leaks
Ventilate area and wash spill site after material pickup is complete.
Stability
Stable of stored as directed.
Incompatibilities
Moisture, oxygen, oxidizing agents, bases, halogens.
Decomposition
Germanium oxides, Hydrogen gas.

Fire.
Fire fighting
Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Vapor may travel considerable distance to source of ignition and flash back. Container explosion may occur under fire conditions. Emits toxic fumes under fire conditions.

Health.
Exposure effects
Vapor or mist is irritating to the eyes, mucous membranes, and upper respiratory tract. Harmful if swallowed, inhaled, or absorbed through skin. Target organs: Central Nervous System, Kidneys, Blood. Symptoms of exposure: Pulmonary edema. Effects may be delayed. Nausea, dizziness, and headache. Blood effects. At high concentrations hydrogen functions as a simple asphyxiant by displacing air. Symptoms of exposure may include headache, fatigue, increased breathing rate, dizziness, muscular incoordination, nausea, vomiting and loss of consciousness.
   Skin
Thermal burns. Causes skin irritation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.
UN number
1953
Response guide
Hazard class
2.3