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Combined display of all available logs of CAMEO. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 09:52, 29 April 2026 MDerrick talk contribs moved page Hansa to Hansa pigments
• 16:06, 28 April 2026 MDerrick talk contribs moved page Curcuma to Curcumin
• 15:08, 28 April 2026 MDerrick talk contribs created page Kaempferol (Created page with "==Discussion== A natural yellow crystalline flavonoid found in a wide variety of plants with common sources of safflower(''Carthamus tinctoria''), yellow larkspur (''Delphinium semibarbatum''). Named after 17th-century German naturalist Engelbert Kaempfer, kaempferol has been identified in historical textiles from the 7th–18th centuries, including Chinese silks and Persian velvets. Kaempferol is a natural yellow flavonoid dye, identified in...")
• 09:52, 28 April 2026 MDerrick talk contribs created page Paprika (Created page with "== Description == A red powder made from dried and ground red peppers (''Capsicum annum'') native to the Americas. While primarily known as a spice, paprika is also a natural dye that produces soft orange to red-brown colors when applied to natural fabrics like cotton, silk, or wool. It works best when simmered into a dye bath and requires a mordant like vinegar to fix the color. The color tends to be pale but very lightfast. == Synonyms...")
• 09:03, 28 April 2026 MDerrick talk contribs moved page Natural Red 26, Safflower (Carthamus tinctorius) LC to Natural Red 26, CI 75140, Safflower (Carthamus tinctorius) LC without leaving a redirect
• 09:02, 28 April 2026 MDerrick talk contribs moved page Natural Red 26, Safflower (Carthanus tinctorius) LC to Natural Red 26, Safflower (Carthamus tinctorius) LC without leaving a redirect
• 14:16, 27 April 2026 MDerrick talk contribs moved page Natural Yellow 1, CI 75590, Weld (Reseda luteola) LC to Natural Yellow 2, CI 75590, Weld (Reseda luteola) LC without leaving a redirect
• 14:07, 27 April 2026 MDerrick talk contribs moved page Natural Yellow 2, CI 75580, Weld (Reseda luteola) LC to Natural Yellow 1, CI 75590, Weld (Reseda luteola) LC without leaving a redirect
• 10:48, 27 April 2026 MDerrick talk contribs created page Natural Red 4, CI 75470, Cochineal (Dactylopius coccus) LC (Created page with "thumb|'''dried cochineal insects photo by X. Zhang == Description == The cochineal is a scale insect in the suborder Sternorrhyncha, from which the natural dye carmine is derived. Cochineal lives on catcti in the genus Opuntia. Cochineal is native to tropical and subtropical South America as well as Mexico and Arizona. These insects are brushed off and dried for storage. The insect produces carminic acid that d...")
• 10:09, 27 April 2026 MDerrick talk contribs created page Natural Red 26, Safflower (Carthanus tinctorius) LC (Created page with "[File:Safflowerdry.jpg|thumb|'''dried safflower, Photo by X. Zhang]] == Description == Safflower is an annual spiny plant that can grow to 1 m high. The plant is native to the area between northern India and the Near East [1]. The petals of the safflower plant (''Carthamus tinctorius L.'') contain several yellow dyes, but most famous is its red dye, carthamin, which has been used as a red colorant for textiles and cosmetics, especially in Asia, for centuries. Ca...")
• 08:50, 27 April 2026 MDerrick talk contribs created page Natural Yellow 14, CI 75440, Persian berries LC (Created page with "thumb|'''Persian berries,Photo by X. Zhang == Description == Persian berries, also called buckthorn berries, are small berries from any shrub of the buckthorn family, such as Rhamnus infectorius, R. amygdalinus, R.oleodies, or R.alaternus. Buckthorn plants are native to the near East and have been cultivated in Europe since Roman times. A water-soluble dye was extracted from the berries for use in textiles, wood stains and lake pigments...")
• 08:42, 27 April 2026 MDerrick talk contribs created page Natural Yellow 6, CI 75100, Saffron (Crocus sativus) LC (Created page with "[[File:|thumb|'''Yellow Botanic Gardens]] == Description == The saffron crocus is a mall, stemless perennial herb. It was naturalized perhaps from the wild crocus in the Mediterranean area. Now it is grows in temperate and subtropical areas in Europe and Asia. The dried flower stigmas was used. == Historical importance == == Summary of results == Saffron is a direct dye. The main dyeing components are carotenoids: crocetin and crocetin esters. They are grouped as...")
• 08:36, 27 April 2026 MDerrick talk contribs moved page Natural Yellow 3, CI 75300, Turmeric, LC to Natural Yellow 3, CI 75300, Turmeric (Curcuma longa) LC without leaving a redirect
• 08:34, 27 April 2026 MDerrick talk contribs created page Natural Yellow 2, CI 75580, Weld (Reseda luteola) LC (Created page with "thumb|'''weld/ picture from http://wildcolours.co.uk/html/weld.html = Description = Weld (''Reseda luteola'' L.) is an annual or biennial herb that grows on light sandy or rocky soils. Weld grows in Europe, parts of North Africa, most of the eastern Mediterranean and southwest Asia[1]. The whole of the plant was used as dyes, although studies suggested that the coloring matter is mainly in the leaves, inflorescence and fruit [1]. The yellow derived...")
• 08:30, 27 April 2026 MDerrick talk contribs created page Natural Yellow 3, CI 75300, Turmeric, LC (Created page with "vvv")
• 16:36, 26 April 2026 MDerrick talk contribs created page Basic Blue 9, CI 52015, Methylene Blue, LC (Created page with "== Usage History == Dark green crystals that form a deep blue aqueous solution. Methylene blue was first prepared in 1876 by Caro. It is a synthetic aniline dye that was used a lightfast colorant for cotton, silk, and wool (often with zinc as a mordant). == Synonyms == C.I. 52015; Methylene Blue; Basic Blue 9; Methylene Blue N; Swiss Blue; Chromosmon; Methylthionine Chloride; Methylthioninium Chloride; Urolene Blue == Molecular Information == * Molecular Formula...")
• 16:35, 26 April 2026 MDerrick talk contribs moved page CI 52015, Methylene Blue, Basic Blue 9, LC to Methylene Blue, Basic Blue 9, CI 52015, LC
• 16:19, 26 April 2026 MDerrick talk contribs created page Acid Red 87, CI 45380, Eosin Y, LC (Created page with "== Usage History == A red crystalline dye composed of the potassium, sodium, or lead salt of tetrabromofluorescein. First discovered by Heinrich Caro, a German chemist, in 1874, eosin was initially used as an acid dye for producing a blood red color in textiles (silk, wool, paper, leather, and cotton). It has also been used as a cosmetic colorant, a colorant in red inks and an iridescent ceramic glaze. In the late 19th and early 20th century, eosin was used as...")
• 16:18, 26 April 2026 MDerrick talk contribs moved page CI 45380, Eosine Y, Acid Red 87, LC to Eosin Y, Acid Red 87, CI 45380, LC
• 15:28, 26 April 2026 MDerrick talk contribs created page Acid Yellow 73, CI 45350, Uranine A, LC (Created page with "== Usage History == An orange-red, hygroscopic powder that, when used as a dye, is commonly called uranine. The disodium salt of fluorescein, discovered in 1871 by Baeyer, has an intense yellow-green fluorescence under ultraviolet light. Like fluorescein, the water-soluble salt is used for the detection of soluble hydroxides, carbonates, and ammonia. It is sensitive to the part per billion level. Its UV absorption maximum occurs at 493.5 nm. Pape...")
• 15:26, 26 April 2026 MDerrick talk contribs moved page CI 45350, Uranine A, Acid Yellow 73, LC to Uranine A, Acid Yellow 73, CI 45350, LC
• 15:20, 26 April 2026 MDerrick talk contribs created page Acid Yellow 73, CI 45350, Fluorescein, LC (Created page with "== Usage History == A bright, orange to red crystalline powder that reacts with alkalis to form an intense green fluorescence. Fluorescein is used for the detection of soluble hydroxides, carbonates, and ammonia. It is sensitive to the part per billion level. Its UV absorption maxima occur at 493.4 and 460 nm. Fluorescein is used as a pH indicator as well as in industrial coatings, printing inks, lubricants, plastics, and as a cosmetic ingredient. In the late 19th c...")
• 15:19, 26 April 2026 MDerrick talk contribs moved page CI 45350, Fluorescein, Acid Yellow 73, LC to Fluorescein, Acid Yellow 73, CI 45350, LC
• 15:07, 26 April 2026 MDerrick talk contribs created page Basic Blue 11, CI 44040, Victoria Blue R, LC (Created page with "== Usage History == A synthetic cationic triarylmethane dye that high lightfastness and washing fastness. Victoria Blue R is used for dyeing silk, wool, acrylics, paper, leather and bamboo as well as inks. The powder form has a dark green to gray-blue color the forms a light reddish-blue water solution. It has an absorption peak about 610 nm. == Synonyms == CI 44040; Victoria Blue R; Basic Blue 11; Basic Blue K; Victoria Blue RS; Conbasic Blue AA;...")
• 15:06, 26 April 2026 MDerrick talk contribs moved page CI 44040, Victoria Blue R, Basic Blue 11, LC to Victoria Blue R, Basic Blue 11, Ci 44040, LC
• 14:54, 26 April 2026 MDerrick talk contribs deleted page Victoria blue (content was: "#REDIRECT Victoria blues", and the only contributor was "MDerrick" (talk))
• 14:54, 26 April 2026 MDerrick talk contribs moved page Victoria blue to Victoria blues
• 14:51, 26 April 2026 MDerrick talk contribs created page Basic Violet 3, CI 42555, Crystal Violet, LC (Created page with "== Usage History == A dark green, metallic powder that forms a deep violet aqueous solution. Gentian violet is a synthetic triphenylmethane dye that was first synthesized in 1883 by Alfred Kern, a Swiss chemist. It was initially used as a biological stain for bacteria. Later the deep purple color use used by the dye and textile industry under the name Crystal violet. It is also used in blue-black ballpoint inks, typewriter ribbons, printing ink|prin...")
• 14:51, 26 April 2026 MDerrick talk contribs moved page CI 42555, Crystal Violet, Basic Violet 3, LC to Crystal Violet, Basic Violet 3, CI 42555, LC
• 14:45, 26 April 2026 MDerrick talk contribs moved page Gentian violet to Crystal violet
• 14:43, 26 April 2026 MDerrick talk contribs created page Acid Green 6, CI 42075, Light Green SF Bluish (Created page with "== Usage History == A synthetic triarylmethane dye is a reddish-green to brown powder that dissolves in water to form a green solution. Light Green SF Bluish has been used as a dye for wool and silk as well as a colorant in inks and pigments. == Synonyms == CI 42075; Light Green SF Bluish; Acid Green 6; N-Methyl-N-[4-[[4-[N-methyl-N-(3-sodiosulfobenzyl)amino]phenyl](4-sulfonatophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-3-sodiosulfobenzenemethanaminium. == Molecu...")
• 14:42, 26 April 2026 MDerrick talk contribs moved page CI 42075, Light Green SF Bluish, Acid Green 6, LC to Light Green SF Bluish, Acid Green 6, CI 42075, LC
• 14:30, 26 April 2026 MDerrick talk contribs created page Acid Blue 3, CI 42051, Patent Blue V, LC (Created page with "== Usage History == A sky blue synthetic triphenylmethane dye used as a food coloring. Patent Blue V has a very intense color even at low concentrations, but the color fades quickly when exposed to light. == Synonyms == CI 42051; Patent Blue V; Acid Blue 3; Food Blue 5; Sulphan Blue; L-Blau 3; C-Blau 20; Patentblau V; Sky Blue. == Molecular Information == * Molecular Formula = C27H31N2NaO7S2 * Molecular Weight = 582.66 g/mol File:Acid Blue 3 structure.JPG|cente...")
• 14:29, 26 April 2026 MDerrick talk contribs moved page CI 42051, Patent Blue V, Acid Blue 3, LC to Patent Blue V, Acid Blue 3, CI 42051, LC
• 14:23, 26 April 2026 MDerrick talk contribs created page Basic Green 1, CI 42040, Brilliant Green, LC (Created page with "== Usage History == A yellowish green synthetic organic dye. Brilliant Green is an aniline (triphenylmethane) based dye that was discovered in 1979 by Bindschedler and Busch. It has an absorption maximum of 623 nm and is used to dye silk, wool, leather, jute, and cotton. Brilliant green is also used in green inks, automotive paints; polymer colorants, and as an antiseptic and biological stain. == Synonyms == C.I. 42040; Brilliant Green; Basic G...")
• 14:22, 26 April 2026 MDerrick talk contribs moved page CI 42040, Brilliant Green, Basic Green 1, LC to Brilliant Green, Basic Green 1, CI 42040, LC
• 14:01, 26 April 2026 MDerrick talk contribs created page Basic Green 4, CI 42000, Malachite Green, LC (Created page with "== Usage History == A synthetic organic dye that was named for the mineral because of its color hue. Malachite Green is an aniline based dyestuff (a triphenylmethane salt) made by Dobner and Fisher in 1877. Both the chloride and the oxalate salt are known by the same name. In a neutral aqueous solution, its green crystals give an absorption maximum at 616.9 nm. Malachite Green is used for the direct dying of silk, wool, jute, and leather|lea...")
• 14:00, 26 April 2026 MDerrick talk contribs moved page CI 42000, Malachite Green, Basic Green 4, LC to Malachite Green, Basic Green 4, CI 42000, LC
• 13:54, 26 April 2026 MDerrick talk contribs created page Acid Red 73, CI 27290, Brilliant Crocein, LC (Created page with "== Usage History == A synthetic cherry red azo dye used in the early part of the 20th century for dyeing wool, silk, nylon, cotton and leather. Brilliant croceine was prepared as a red lake as a water soluble disodium salt. == Synonyms == CI 27290; Brilliant crocein; Acid Red 73; Crocein Scarlet MOO; 5413-75-2; Woodstain Scarlet; Crocein Scarlet 3B; ;Crocein Scarlet MMO; Acid Brilliant Scarlet GR; Acid Fast Red RN; 7-Hydroxy-8-(4-phenylazophenylazo)-1,3-naphthale...")
• 13:53, 26 April 2026 MDerrick talk contribs moved page CI 27290, Brilliant crocein, Acid Red 73, LC to Brilliant Crocein, Acid Red 73, CI 27290, LC
• 13:38, 26 April 2026 MDerrick talk contribs created page Acid Red 115, CI 27200, Wool Red B, LC (Created page with "== Usage History == A synthetic sulfonated disazo dye, commonly used animal fibers, such wool, silk, but also nylon (polyamide). Wool Red B was sometimes in paper and leather applications. It is known for producing a dark, vibrant red colors. == Synonyms == CI 27200; Wool Red B; Acid Red 115; disodium (4Z)-4-({2-methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl }hydrazono)-3-oxo-3,4-dihydro-2,7-naphthalenedisulfonate (or isomer) == Molecular Information == * Molecular F...")
• 13:36, 26 April 2026 MDerrick talk contribs moved page CI 27200, Wool Red B, Acid Red 115, LC to Wool Red B, Acid Red 115, CI 27200, LC
• 13:29, 26 April 2026 MDerrick talk contribs created page Acid Red 151, CI 26900, Cloth scarlet, LC (Created page with "== Usage History == A dark red, water-soluble azo dye that is a commonly used textile dye. Acid Red 151 is used to impart bright red hues to wool, silk, nylon and leather. It has good lightfastness and stability under acidic conditions. Acid Red 151 has an absorption peak about 510 nm. == Synonyms == CI 26900; Cloth Scarlet; Acid Red 151; Benzenesulfonic acid, 4-[[4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-, monosodium salt; Benzenesulfonic acid. == Molecular In...")
• 13:28, 26 April 2026 MDerrick talk contribs moved page CI 26900, Cloth Scarlet, Acid Red 151, LC to Cloth Scarlet, Acid Red 151, CI 26900, LC
• 12:19, 26 April 2026 MDerrick talk contribs created page Direct Yellow 4, CI 24890, Brilliant Yellow, LC (Created page with "== Usage History == A brand name used for a synthetic disazo dye developed in 1886 by F. Bender and G. Schulz. Brilliant yellow is used to directly dye cotton, rayon, flax and paper fibers. It is also commonly used as a pH indicator and for biological research. == Synonyms == CI 24890; Brilliant Yellow; Direct Yellow 4; Direct Yellow C; Paper Yellow CB; Direct Brilliant Yellow G; 4,4'-Bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulfonic acid, sodium salt == Mo...")
• 12:18, 26 April 2026 MDerrick talk contribs moved page CI 24890, Brilliant Yellow, Direct Yellow 4, LC to Brilliant Yellow, Direct Yellow 4, CI 24890, LC
• 10:59, 26 April 2026 MDerrick talk contribs moved page Ponceau to Ponceau colorants without leaving a redirect
• 10:55, 26 April 2026 MDerrick talk contribs moved page Martius Yellow to Martius yellow without leaving a redirect
• 10:51, 26 April 2026 MDerrick talk contribs created page Direct Red 28, CI 22120, Congo Red, LC (Created page with "== Usage History == A brownish red water-soluble synthetic disazo dye. Congo red was first made in 1884 by P. Böttiger and was used as a direct textile dye for cotton and rayon. Congo red is now used as an acid-base indicator where it is prepared as a 0.1% aqueous solution that is red above pH 5.2 and blue below pH 3. == Synonyms == CI 22120, Congo Red; Direct Red 28; Kongorot (Deut.); Congo blue; Cotton red; sodium diphenyl-bis-alpha-naphthylamine sulfonate; == Mol...")
• 10:50, 26 April 2026 MDerrick talk contribs moved page CI 22120, Congo Red, Direct Red 28, LC to Congo Red, Direct Red 28, CI 22120, LC