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It is used as a catalyst in the conversion of carbohydrates into 5-hydroxymethylfurfural in ionic liquids, as a reducing agent in combination with triphenylphosphine (TPP) for the reduction of alpha-bromo carboxylic acid derivatives, and in the production of pure germanium. It also finds use as an intermediate for several optical processes. It is one of the most important dopants in silica glass for optical fibers. It is employed in the preparation of germanium dioxide which is used for wide camera lens, microscopy, IR-transparent glasses/windows/lenses, and for the core of fiber-optic lines.
Willert, A.; Abedin, S. Z. E.; Endres, F. Synthesis of Silicon and Germanium Nanowire Assemblies by Template-Assisted Electrodeposition from an Ionic Liquid. Australian J. Chem. 2014, 67 (6), 875-880.
Dehghani, H.; Bakhshayesh, S.; Behnoudnia, F. Synthesis of New Sandwich Intermediate Sitting-atop Complexes Between Meso-tetraarylporphyrins and Germanium(IV) chloride. Inorg. Chim. Acta. 2009, 362 (9), 3025-3029.
Zhou, W.; Tomita, I. Synthesis and Properties of Novel Germole-Containing Polymers by Reaction of Bis(cyclopentadienyl)titanacyclopentadiene-Containing Polymer with Germanium Tetrachloride. Polym. Bull. 2008, 61 (5), 603-609.
Hazard Statements: H290-H314-H335
May be corrosive to metals. Causes severe skin burns and eye damage. May cause respiratory irritation.
Precautionary Statements: P234-P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P390-P501c
Keep only in original container. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Wash contaminated clothing before reuse. Absorb spillage to prevent material damage. Dispose of contents/ container to an approved waste disposal plant