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Allura Red AC, also known as FD&C Red 40 or E 129, is a red azo dye commonly used in food. It was developed in 1971 by the Allied Chemical Corporation, who gave the substance its name. [ 1 ][ 2 ] It is usually supplied as its red sodium salt but can also be used as the calcium and potassium salts. These salts are soluble in water.
The colour-fast (non-fading) dye was an item of luxury trade, prized by Romans, who used it to colour ceremonial robes. Used as a dye, the colour shifts from blue (peak absorption at 590 nm, which is yellow-orange) to reddish-purple (peak absorption at 520 nm, which is green). [22]
Android, iOS. 30 October 2018. Genre (s) MMORPG. Mode (s) Multiplayer. Old School RuneScape is a massively multiplayer online role-playing game (MMORPG), developed and published by Jagex. The game was released on 16 February 2013. When Old School RuneScape launched, it began as an August 2007 version of the game RuneScape, which was highly ...
Crimson is a strong, bright, deep red color combined with some blue or violet, resulting in a small degree of purple. It is also the color between rose and red on the RGB color wheel and magenta and red on the RYB color wheel. Crimson as a quaternary color on the RGB color wheel. cerise. rose.
Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–740 nanometres. [1] It is a primary color in the RGB color model and a secondary color (made from magenta and yellow) in the CMYK color model, and is the complementary color of cyan.
Red dye No. 3 will be banned in California after landmark legislation was signed late last week by the state’s governor, Gavin Newsom. The California Food Safety Act—which has been referred to ...
Rose madder (also known as madder) is a red paint made from the pigment madder lake, a traditional lake pigment extracted from the common madder plant Rubia tinctorum. Madder lake contains two organic red dyes: alizarin and purpurin. [1][2][3] As a paint, it has been described as a fugitive, transparent, nonstaining, mid valued, moderately dull ...
Ruby is a pinkish red to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Ruby is one of the most popular traditional jewelry gems and is very durable. Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, alongside amethyst, sapphire, emerald, and diamond. [3]