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Tyrian purple (Ancient Greek: πορφύρα porphúra; Latin: purpura), also known as royal purple, imperial purple, or imperial dye, is a reddish-purple natural dye. The name Tyrian refers to Tyre, Lebanon , once Phoenicia .
This image of a simple structural formula is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.
The main chemical constituent of the Tyrian dye was discovered by Paul Friedländer in 1909 to be 6,6′-dibromoindigo, derivative of indigo dye, which had been synthesized in 1903. [ 5 ] [ 6 ] Although the first chemical synthesis was reported in 1914, unlike indigo, it has never been synthesized at commercial level.
Structure of Tyrian purple Structure of indigo carmine. The benzene rings in indigo can be modified to give a variety of related dyestuffs. Thioindigo, where the two NH groups are replaced by S atoms, is deep red. Tyrian purple is a dull purple dye that is secreted by a common Mediterranean snail. It was highly prized in antiquity.
Image Country Date of adoption Notes Bolivia: 7 February 2009: Used as the co-official national flag; see Wiphala: Dominica [5] 3 November 1978: As purple sisserou parrot, a national symbol (see flag of Dominica) El Salvador [6] 27 May 1912: As part of the rainbow in the coat of arms (see flag of El Salvador) Nicaragua: 27 August 1971
The analysis identified it as an “incredibly rare” lump of Tyrian purple dye, also known as imperial purple, the company said in a May 3 news release. “For millennia, Tyrian Purple was the ...
In antiqutiy, the city of Tyre was famours for its industrial production of tyrian purple, an extremely rare and expensive dye; [9] tyrian purple was renowned for its unique beauty and lightfast qualities. [10] It was particularly cherised because the colour did not fade easily, but in fact became even brighter with weathering and sunlight.
Tyrian purple for the Empire, generally softer colours: 06:02, 16 October 2011: 1,963 × 1,104 (960 KB) Hel-hama: text quality improved: 09:43, 7 April 2009: 1,963 × 1,104 (93 KB) Cplakidas: tweaked Bulgarian borders & Armenia to incorporate Dvin, rmv Muslim control over the Caucasus: 09:13, 28 November 2008: 1,963 × 1,104 (92 KB) Cplakidas