Indium Corp. GeCl4 Germanium Tetrachloride

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Indium Corp. GeCl4 Germanium Tetrachloride
Categories:	Ceramic; Halide
Material Notes:	Germanium tetrachloride is a colorless liquid. It is used as an intermediate in the production of purified germanium dioxide and germanium metal, but more predominantly used as a reagent in fiber optic production. In fiber optics, germanium tetrachloride is converted into germanium dioxide and then deposited, along with silicon dioxide, using vapor deposition techniques. Germanium dioxide provides a higher refractive index fiber core, which prevents signal loss during transmission. Characteristics: Synonyms: Germanium (IV) Chloride, GeCl4 CAS Number: 10038-98-9 EC Number: 233-116-7 RTECS: LY5225000 Purity: > 99.999% Appearance/Form: Colorless fuming liquid Solubility: Reacts with water releasing toxic fumes. Soluble in ether, benzene and chloroform. Insoluble in HCl, H2SO4. Information Provided by Indium Corporation
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Physical Properties	Original Value	Comments

Specific Gravity	1.875 g/cc @Temperature 20.0 °C
Molecular Weight	214.45 g/mol
Vapor Pressure	76.0 torr @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
Boiling Point	83.0 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	<= 1.0e-7 %	Typical
	<= 1.0e-6 %	Max
Chromium, Cr	<= 1.0e-7 %	Typical
	<= 1.0e-6 %	Max
Cobalt, Co	<= 1.0e-7 %	Typical
	<= 1.0e-6 %	Max
Copper, Cu	<= 1.0e-7 %	Typical
	<= 1.0e-6 %	Max
Germanium, Ge	33.873 %	Theoretical
Iron, Fe	<= 2.0e-7 %	Typical
	<= 1.0e-6 %	Max
Lead, Pb	<= 1.0e-7 %	Typical
	<= 1.0e-6 %	Max
Manganese, Mn	<= 1.0e-7 %	Typical
	<= 1.0e-6 %	Max
Nickel, Ni	<= 1.0e-7 %	Typical
	<= 1.0e-6 %	Max
Trace Metals	<= 5.0e-7 %	Total combined metals, typical
	<= 0.0000050 %	Total combined metals, max
Vanadium, V	<= 1.0e-7 %	Typical
	<= 1.0e-6 %	Max
Zinc, Zn	<= 1.0e-7 %	Typical
	<= 1.0e-6 %	Max

Descriptive Properties
Active Impurities C-Hx (2960 and 2930 1/cm)	< 0.00005	Typical
	0.0002	Max
Active Impurities H-Cl (2840 1/cm)	< 0.0001	Typical
	0.0004	Max
Active Impurities O-H (3610 1/cm)	< 0.0001	Typical
	0.0002	Max

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NNIN922 / 131561

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