Lithol Rubine BK
Encyclopedia
Lithol Rubine BK is a reddish synthetic azo dye. It has the appearance of a red powder. It is slightly soluble in hot water, insoluble in cold water, and insoluble in ethanol
. When dissolved in dimethylformamide
, its absorption maximum lies at about 442 nm. It usually comes as a calcium salt.
It is used to dye plastic
s, paint
s, printing inks, and for textile printing
. It is normally used as a standard magenta in the three and four color printing processes.
When used as a food dye, it has E number
E180. It is used to color cheese
rind as well as a component in some lip balms. It is banned in some countries.
Ethanol
Ethanol, also called ethyl alcohol, pure alcohol, grain alcohol, or drinking alcohol, is a volatile, flammable, colorless liquid. It is a psychoactive drug and one of the oldest recreational drugs. Best known as the type of alcohol found in alcoholic beverages, it is also used in thermometers, as a...
. When dissolved in dimethylformamide
Dimethylformamide
Dimethylformamide is an organic compound with the formula 2NCH. Commonly abbreviated as DMF , this colourless liquid is miscible with water and the majority of organic liquids. DMF is a common solvent for chemical reactions...
, its absorption maximum lies at about 442 nm. It usually comes as a calcium salt.
It is used to dye plastic
Plastic
A plastic material is any of a wide range of synthetic or semi-synthetic organic solids used in the manufacture of industrial products. Plastics are typically polymers of high molecular mass, and may contain other substances to improve performance and/or reduce production costs...
s, paint
Paint
Paint is any liquid, liquefiable, or mastic composition which after application to a substrate in a thin layer is converted to an opaque solid film. One may also consider the digital mimicry thereof...
s, printing inks, and for textile printing
Textile printing
Textile printing is the process of applying colour to fabric in definite patterns or designs. In properly printed fabrics the colour is bonded with the fiber, so as to resist washing and friction...
. It is normally used as a standard magenta in the three and four color printing processes.
When used as a food dye, it has E number
E number
E numbers are number codes for food additives that have been assessed for use within the European Union . They are commonly found on food labels throughout the European Union. Safety assessment and approval are the responsibility of the European Food Safety Authority...
E180. It is used to color cheese
Cheese
Cheese is a generic term for a diverse group of milk-based food products. Cheese is produced throughout the world in wide-ranging flavors, textures, and forms....
rind as well as a component in some lip balms. It is banned in some countries.