In 1864, the purple dye rosaniline [magenta] became the first synthetic dye to be used in nishiki-e , at first in combination with Prussian blue for a more bluish color. (viewingjapaneseprints.net)
The results revealed a series of key turning points after 1860: (1) In 1864, the purple dye rosaniline became the first synthetic dye to be used in nishiki - e , at first in combination with Prussian blue for a more bluish color. (springeropen.com)
Triphenylmethane dyes2
This quickly spawned a new area of research into triphenylmethane dyes from which the second aniline based dye, Magenta (fuchsin), was discovered. (rektis.com.ua)
MG and GV are structurally related to other triphenylmethane dyes such as rosaniline, which has been linked to an increased risk of human bladder cancer. (eeer.org)
Naphthol1
From 1889, a succession of red synthetic naphthol dyes [fluorescent organic compounds] of more striking color appeared. (viewingjapaneseprints.net)
Aniline dye4
2 words related to aniline dye: dye, dyestuff. (rektis.com.ua)
These are highly concentrated, water-soluble aniline dye powders used for mixing stains on their own, or to tone other water-based stain mixtures. (rektis.com.ua)
From 1875, it was usually mixed or replaced with methyl violet [an aniline dye] for a stronger purple. (viewingjapaneseprints.net)
However, the only true aniline dye, used from 1875 until 1889, was methyl violet, which yielded a visibly stronger purple than previous red-blue mixtures. (viewingjapaneseprints.net)
Magenta1
d) Schiff's reagent It is an aqueous solution of magenta or pink coloured rosaniline hydrochloride which has been decolourised by passing SO 2 , Aldehydes give pink colour with this reagent but ketones do not. (aglasem.com)
Colorants7
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-works in the late 19th or early 20th centuries, including Bayer AG(1863). (wikipedia.org)
Colorants can be divided into pigments and dyes. (wikipedia.org)
In 1980, a noted Japanese scholar maintained that Meiji-period Japanese understood certain vivid colorants, especially aniline dyes, as Kakushin no iro (革新の色) or 'colors of progress' (see Newland reference at bottom of this page). (viewingjapaneseprints.net)
A widespread belief among scholars and connoisseurs of the Japanese color woodblock print ( nishiki - e ) holds that synthetic dyes were imported from the West in the 1860s, and soon came to be used for all nishiki - e colorants during the Meiji period. (springeropen.com)
These "cheap imported aniline dyes" are widely described as "gaudy", "garish", and "strident", and thought to stand in sharp contrast to more muted "natural" colorants that preceded them. (springeropen.com)
The results show that the introduction of synthetic dyes was gradual and selective, and that most of the customary colorants of the late Edo period continued in use. (springeropen.com)
Although some have assessed these new colors in a more positive light, such as Meech's description of "vibrant colors eminently suited to the bright sunshine of Meiji enlightenment" [ 3 ] most writings on ukiyo-e in both Japanese and English continue to depict a wholesale replacement in the 1860s of older vegetable dyes with new synthetic colorants. (springeropen.com)
Synthetic9
The availability of strong acidic or alkaline environments like sulphuric acid and synthetic sodium carbonate was crucial in this process. (wikipedia.org)
The late 1850s saw the introduction of the first modern synthetic dyes, which brought more color and variety of color to Europe. (wikipedia.org)
Synthetic colors found themselves in not only dyes and paints but also inks and foodstuffs, permeating consumer culture. (wikipedia.org)
All the dyes that are derived from organic and inorganic chemical compounds are synthetic dyes. (rektis.com.ua)
Synthetic dyes have taken over the industry because of less cost and more reliability but natural dyes such as haematoxylin, carmine and orcein are still in use in the industry. (rektis.com.ua)
Stain or dye is the synthetic chemical which is derived from nitrobenzene or aniline. (rektis.com.ua)
In 1877, eosine [acid red 87/solvent red 43, also called bromeosin, a red crystalline derivative of fluorescein] appeared as the first synthetic red dye in nishiki-e , used alone for pink, and in mixture with carmine for red. (viewingjapaneseprints.net)
3) In 1877, eosine appeared as the first synthetic red dye in nishiki - e , used alone for pink, and in mixture with carmine for red. (springeropen.com)
Descriptions of Japanese color woodblock prints ( nishiki - e ) of the Meiji period (1869-1912) inevitably draw attention to their bright colors (as can be seen in Fig. 1 ), which are uniformly characterized as the result of new synthetic dyes imported from Europe. (springeropen.com)
Soluble3
Broadly, dyes are soluble and become fixed to a substrate via impregnation, while pigments are insoluble and require a binding agent to adhere to a substrate. (wikipedia.org)
Aniline definition, a colorless, oily, slightly water-soluble liquid, C6H5NH2, usually derived from nitrobenzene by reduction: used chiefly in the synthesis of dyes and drugs. (rektis.com.ua)
While not raising the grain, alcohol and solvent soluble dyes dry too fast to apply a primary color over large areas without having visible overlaps. (rektis.com.ua)
Solvent1
Meanwhile, for hormones, methanol was the most appropriate elution solvent in the presence of ascorbic acid additive and at pH 2.5. (eeer.org)
In 1856 Perkin obtained a colouring matter from crude aniline by oxidation and put it on the market as "Mauve 1 " Until that date the whole of the available colouring matters were of natural origin, chiefly vegetable, along with a few insect products like cochineal and lac dye, and a few mineral pigments, e.g. (blogspot.com)
Inorganic1
Chemically speaking, pigments can be organic or inorganic, while dyes are only organic. (wikipedia.org)
Pigments4
Synthetics are extremely attractive for industrial and aesthetic purposes as they have they often achieve higher intensity and color fastness than comparable natural pigments and dyes used since ancient times. (wikipedia.org)
This story is complicated somewhat by lake pigments, or lakes, which are dyes modified with a chemical process to form an insoluble pigment. (wikipedia.org)
The historical importance of both pigments and dyes is closely related, as the markets for both, as well as the types and variety available, have always been closely tied. (wikipedia.org)
The nineteenth and twentieth century in particular saw an expansion in colorant use and production, yielding many pigments and dyes in use today. (wikipedia.org)
Carmine1
Moreover, the new nishiki-e red appearing in 1869 and long accused by many as one of the aniline culprits was actually an organic colorant, the insect dye chochineal carmine. (viewingjapaneseprints.net)
Organic1
A class of organic compounds which contain an anilino (phenylamino) group linked to a salt or ester of naphthalenesulfonic acid. (harvard.edu)
1860s1
It has long been believed that aniline dyes, first synthesized in England during the 1850s and assumed to be imported into Japan during the 1860s, were responsible for the 'acid' colors found in nishiki-e . (viewingjapaneseprints.net)
Chemistry2
To help you with that, below we have provided the Notes of 12 Chemistry for topic Aldehydes, Ketones and Carboxylic Acids. (aglasem.com)
So, go ahead and check the Important Notes for Class 12 Chemistry Aldehydes, Ketones and Carboxylic Acids. (aglasem.com)
Substance2
Dyes, therefore, must have an affinity for the substance they are intended to color. (wikipedia.org)
the parent substance of colors or dyes derived from coal tar. (rektis.com.ua)
Natural1
The old established natural dyestuffs have not been displaced without a struggle, and even now one finds remnants of a diminishing prejudice against "aniline dyes" in the popular mind, but scientifically regarded the distinction between natural and artificial dyestuffs is an arbitrary one, relating only to their origin. (blogspot.com)
Industry1
The dye industry became one of the first instances where directed scientific research lead to new products, and the first where this occurred regularly. (wikipedia.org)
Form1
The leuco form of rosaniline induces renal, hepatic, and lung tumors in mice [ 17 ]. (eeer.org)
Introduction1
Successful examples include reductions in lung cancer and mesothelioma following bans on asbestos, reductions in bladder cancer after elimination of aniline dyes, reductions in leukemia following imposition of controls on benzene, and termination of hepatic angiosarcoma in chemical workers following introduction of closed-circuit technology for vinyl chloride polymerization (Christiani 2011). (rektis.com.ua)
Products1
for example, aniline reacting with acetic acid forms acetanilide: C 6 H 5 -NH 2 + CH 3 COOH → C 6 H 5 NHCOCH 3 + H 2 O. Anilides are produced on an industrial scale and are used in the production of n-nitroaniline, one of the important intermediate products in the manufacture of dyes. (rektis.com.ua)
Recent1
With the preceding in mind, readers will discover that the standard narrative on aniline dyes has been roundly destabilized by a recent technical analysis that debunks the early assumptions regarding the aniline revolution. (viewingjapaneseprints.net)
Production1
Market viable large scale production of dyes occurred nearly simultaneously in the early major producing countries Britain (1857), France (1858), Germany (1858), and Switzerland (1859), and expansion of associated chemical industries followed. (wikipedia.org)
Agent2
It is a reducing agent in silvering of mirrors and decolourising vat dyes. (aglasem.com)
iv) Oxidation Aldehydes get easily oxidised to carboxylic acids by HNO 3 , KMnO 4 , K 2 Cr 2 O 7 , etc., or even by mild oxidising agent. (aglasem.com)