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BASF plant in Ludwigshafen, 1865. BASF is an acronym for Badische Anilin- und Sodafabrik (German for 'Baden Aniline and Soda Factory'). It was founded by Friedrich Engelhorn on 6 April 1865 in Mannheim, in the German-speaking state of Baden. Engelhorn had been responsible for setting up a gasworks and street lighting for the town council in 1861.
The first was developed by BASF and is based on the Wittig reaction with Wittig himself as patent holder: [22] [23] The second is a Grignard reaction, [24] elaborated by Hoffman-La Roche from the original synthesis of Inhoffen et al. They are both symmetrical; the BASF synthesis is C20 + C20, and the Hoffman-La Roche synthesis is C19 + C2 + C19.
A colorant is any substance that changes the spectral transmittance or reflectance of a material. [1] Synthetic colorants are those created in a laboratory or industrial setting. The production and improvement of colorants was a driver of the early synthetic chemical industry, in fact many of today's largest chemical producers started as dye ...
An Engelhard poured 2 oz 99.99% pure gold bar. Engelhard Corporation was an American Fortune 500 company headquartered in Iselin, New Jersey, United States. It is credited with developing the first production catalytic converter. In 2006, the German chemical manufacturer BASF bought Engelhard for US$5 billion.
Indigo, space-filling. Indigo dye is a dark blue crystalline powder that sublimes at 390–392 °C (734–738 °F). It is insoluble in water, alcohol, or ether, but soluble in DMSO, chloroform, nitrobenzene, and concentrated sulfuric acid. The chemical formula of indigo is C 16 H 10 N 2 O 2.
Indanthrone is utilized as a blue pigment (C.I. Pigment Blue 60), primarily in the process of vat dyeing, often referred to as C.I. Vat Blue 4. [8] Indanthrone is a vat dye, synthesized to provide highest color fastness for the dyeing and printing of predominantly cellulose -based textile fibers. Fabrics dyed with indanthrene fulfill the ...
2 pigment processors are Chemours, Venator, Kronos , and Tronox. [27] [28] Major paint and coating company end users for pigment grade titanium dioxide include Akzo Nobel, PPG Industries, Sherwin Williams, BASF, Kansai Paints and Valspar. [29] Global TiO 2 pigment demand for 2010 was 5.3 Mt with annual growth expected to be about 3–4%. [30]
Purple pigments. Aluminum pigments. Ultramarine violet (PV15): a synthetic or naturally occurring sulfur containing silicate mineral. Copper pigments. Han purple: BaCuSi 2 O 6. Cobalt pigments. Cobalt violet (PV14): Co 3 (PO 4) 2. Manganese pigments. Manganese violet: NH 4 MnP 2 O 7 (PV16) manganic ammonium pyrophosphate.
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