Back to ChemicalBook Home--->CAS DataBase List--->7440-56-4

7440-56-4

7440-56-4 Structure

7440-56-4 Structure
IdentificationMore
【Name】

Germanium
【CAS】

7440-56-4
【EINECS(EC#)】

231-164-3
【Molecular Formula】

Ge
【MDL Number】

MFCD00085310
【Molecular Weight】

72.64
【MOL File】

7440-56-4.mol
Chemical PropertiesBack Directory
【Appearance】

greyish-white lustrous brittle solid, odourless
【mp 】

937 °C(lit.)
【bp 】

2830 °C(lit.)
【density 】

5.35 g/mL at 25 °C(lit.)
【storage temp. 】

Flammables area
【form 】

powder
【Stability:】

Stable. Slightly soluble in strong acids. Incompatible with strong oxidizing agents.
【Merck 】

13,4419
【CAS DataBase Reference】

7440-56-4(CAS DataBase Reference)
【NIST Chemistry Reference】

Germanium(7440-56-4)
【EPA Substance Registry System】

7440-56-4(EPA Substance)
Safety DataBack Directory
【Hazard Codes 】

F,Xi
【Risk Statements 】

R36/37/38:Irritating to eyes, respiratory system and skin .
R36/38:Irritating to eyes and skin .
R11:Highly Flammable.
【Safety Statements 】

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/39:Wear suitable protective clothing and eye/face protection .
S2:Keep out of the reach of children .
【RIDADR 】

UN 3089 4.1/PG 2
【WGK Germany 】

3
【RTECS 】

LY5200000
【TSCA 】

Yes
【HazardClass 】

8
【PackingGroup 】

III
【Hazardous Substances Data】

7440-56-4(Hazardous Substances Data)
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Silicon dioxide-->Argon
【Preparation Products】

INSULIN-->Pancreatin-->trysin-chymotrypsin
Well-known Reagent Company Product InformationBack Directory
【Acros Organics】

Germanium, pieces, irregular, 99.999%(7440-56-4)
【Alfa Aesar】

Germanium rod, polycrystalline, 6.35mm (0.25in) dia, 99.9999% (metals basis)(7440-56-4)
【Sigma Aldrich】

7440-56-4(sigmaaldrich)
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