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Product Code: GEG5600

Cas No: 10038-98-9

R&D quantities:

25 g
100 g
1 kg

Boiling Point: 83.1°

EINECS Number: 233-116-7

Melting Point: -49 to -52°

Molecular Weight: 214.40

Specific Gravity: 1.879

HMIS Key: 3-0-1-X

Hydrolytic Sensitivity: 8: reacts rapidly with moisture, water, protic solvents

Formula: Cl4Ge

Purity: 99.9%

Refractive Index: 1.4644


Application: Catalyst for chlorination of activated aromatics yielding chlorinated cyclohexadienes.1
Coupling agent (star site) for production of rubbers from living polymers.2,3
Employed in formation of mixed SiO2-GeO2 powders in hydrogen-oxygen flames.4

Reference: 1. DiBella, E. et al. U.S. Patent 3,355,506, 1967.
2. Chem. Abstr. 97, P128909y.
3. Hanna, J. et al. J. Non-Cryst. Solids 1996, 198-200, 879; Chem. Abstr. 97, P40160m.
4. Hung, C. et al. J. Mater. Res. 1992, 7, 1870.

Additional Properties: Dielectric constant: 2.36
Critical temperature: 548°K
?Hform: 165 kcal/mole
Critical pressure: 36.6 atm
?Hvap: 7.35 kcal/mole
Specific heat, Cp: 0.699 joule/g-deg
Soluble: ether, chloroform, hexane, liquid phosphine, ethanol (slowly reacts)
Vapor pressure, 0°: 25 mm
Vapor pressure, 20°: 67 mm