DIRECT RED-manufacture,factory,supplier from China

Products Description of Direct Red 23 CAS#3441-14-3 Purple-red powder. Moderately water-soluble, bright red when dissolved in water, its aqueous solution turns light blue when adding dilute sulfuric acid, produces wine-red precipitate when adding concentrated hydrochloric acid, and turns reddish orange-brown when adding concentrated alkali. Slightly soluble in ethanol and orange, insoluble in acetone.

Products Description of Direct Pigment Red 122 CAS#980-26-7Pigment Red 122 is an all-around pink, it belongs to Quinacridone chemistry, application covers all kinds of polymers. Comparable with Clariant Pink E and E 01. P.R.122 has higher tinting strength than pigment violet 19, it is with excellent resistance to immigration and heat stability. PR 122 dissolves in its medium and changes color accordingly at low concentrations.

Products Description of PhenetidineCAS#156-43-4Colorless oily flammable liquid. It gradually turns red to brown when exposed to air and sunlight.

Products Description of Copper Chromite CAS#12018-10-9Copper chromite (CuCrO4) is an inorganic compound with the following properties: Appearance: Copper chromite appears as red crystals or powder.

Products Description of Direct Pigment Yellow 42 CAS#51274-00-1Pigment yellow 42, also known as Yellow Iron oxide is a yellow powder in the form of an alkaline oxide with comparatively stable chemical properties. It is is insoluble in water and alcohol, slightly soluble in acids but completely dissolves in concentrated hydrochloric acid. When heated to 80℃, it loses water and converts to red ferric oxide. It is used in coating, printing ink and paint, and also as a coloring agent for building material, rubber and paper-making.

Products Description of CALAMINE CAS#8011-96-9Calamine is also known as Lugan Stone, Gan Stone, Lugan Stone, Sheep Liver Stone, Fushui Gan Stone, Luyan Stone, and Dry Stone. It is an irregular block, flat or round, of varying sizes, with a white or light red surface, depressions or small holes, and powdery. It is light and loose, fragile, white or light red in cross section, granular, and has small pores, and is hygroscopic.Calamine is an ore of the carbonate mineral smithsonite. Calamine tastes sweet, flat, warm, and non-toxic.

Monopotassium phosphite CAS#13977-65-6Potassium dihydrogen phosphite, a chemical with the molecular formula KH2PO3, can be used as a direct bactericide and complexing agent for calcium and magnesium ions in industrial circulating water.

Products Description of 2,2,6,6-Tetramethylpiperidinooxy CAS#2564-83-22,2,6,6-Tetramethylpiperidinyl oxide, abbreviated as TEMPO, is a piperidine-type nitrogen oxide free radical. TEMPO is an orange-red, easily sublimable crystal or liquid, and is easily soluble in solvents such as water, ethanol, and benzene.

Products Description of Direct Ferric oxide CAS# 1309-37-1Iron oxides are produced synthetically and consist essentially of anhydrous and/or hydrated iron oxides. The range of hues includesyellows, reds, browns and blacks. Food quality iron oxides are primarily distinguished from technical grades by the comparatively low levels of contamination by other metals. This is achieved by the selection and control of the source of iron and/or by the extent of chemical purification during the manufacturing process.

Products Description of Direct Triiron Tetraoxide CAS #1317-61-9Triiron tetroxide is obtained from its natural mineral magnetite. In the laboratory the compound may be prepared by adding sodium hydroxide solution to an aqueous solution of 1:2 molar mixture of ferrous and ferric salt. (i.e., 1 mol FeCl2 + 2 mol FeCl3).

Products Description of ASTRAZON PINK FG CAS#3648-36-0Dark red uniform powder. Dissolves in water to produce bright pink. When dyed at high temperature (120℃), the color does not change. If dyed in sulfuric acid bath, the color changes slightly, and when dyed in formic acid bath, the color does not change. Light fastness level 4.

Products Description of C.I. Acid Black 194 CAS#61931-02-0Acid Black 194, dark brown powder, can be used for dyeing wool, silk, nylon, wool blended fabrics and direct printing of wool and silk fabrics, with rich color and good level dyeing. When used for dyeing wool and other fibers in the same bath, silk will be dyed, nylon will be seriously stained, and acetate fiber and cellulose fiber will be slightly stained.C.I.

Products Description of Direct Pigment Yellow 42 CAS#51274-00-1Barium sulfate has its chemical formula BaSO4. It is colorless or white orthorhombic crystals with relative molecular mass of 233.4, the relative density of 4.5 (15 ℃), the melting point of 1580 ℃, and the Refractive index of 1.637. Upon being heated to 1149 ℃, it will become monoclinic crystalline when the refractive index is 1.649. It is almost insoluble in water with the solubility being 0.00022 at 18 ℃ and 0.0041 at 100 ℃.

Products Description of Crystal Violet CAS#548-62-9Gentian violet, also known as crystal violet and basic violet 3, is a commonly used artificial basic dye along with methyl green, neutral red, methylene blue, safranin, hematoxylin, malachite green, methyl violet and basic fuchsin. The dye index number is CIBasicViolet3(42555). It belongs to the triaminotriphenylmethane compound. It has the appearance of dark green powder or flaky crystals with bronze luster.

Products Description of 3-MERCAPTOPROPIONIC ACID CAS#107-96-03-Thiopropionic acid is a direct raw material in organic chemicals and is used in pharmaceutical intermediates and electronic chemicals; it is used as an intermediate in the pharmaceutical Fenal, and it is also used as a stabilizer for polyvinyl chloride.

Products Description of Titanocene dichloride CAS#1271-19-8Titanocene dichloride is an organic titanium compound with the chemical formula (η5-C5H5)2TiCl2, often written as Cp2TiCl2. This metallocene is a common reagent in organometallic chemistry and organic synthesis. It is a bright red solid that slowly hydrolyzes in the air.Cp2TiCl2 does not form a "sandwich" structure like ferrocene. Because its four ligands surround a metal center, it forms a tetrahedral structure.

Products Description of Vitamin E CAS#59-02-9Natural vitamin E is a brown-red or transparent light yellow oily liquid with a mild, special smell and taste. Easily soluble in ethanol, acetone, ether, chloroform or vegetable oil, almost insoluble in water. It has a high boiling point (250°C) and is stable to heat. It oxidizes when exposed to air and light and turns dark red. It has no calories and does not participate in human metabolism. Natural vitamin E has the functions of whitening spots, preventing skin aging, regulating endocrine, and preventing high blood pressure and blood clots.

Products Description of Sodium 4-amino-1-naphthalenesulfonate CAS#130-13-2White or off-white flaky crystals. Easily soluble in water, soluble in 95% ethanol, insoluble in ether, slightly soluble in concentrated caustic alkali aqueous solution and ethanol solution. It is an important azo pigment intermediate, widely used in the synthesis of direct dyes and reactive dyes.

Products Description of Bilirubin CAS#635-65-4This product is mainly derived from the reduction product of heme in hemoglobin through a series of catabolism after the disintegration of aging red blood cells. It is golden yellow or dark reddish brown monoclinic crystal, odorless and tasteless. Soluble in organic solvents such as benzene, chloroform and carbon disulfide; also soluble in hot mixture of ethanol and chloroform; sodium salt is easily soluble in water, but calcium salt, magnesium salt and barium salt are insoluble in water.

Products Description of Vitamin B12 CAS#68-19-9Vitamin B12, referred to as VB12, also known as cobalamin, is one of the B vitamins. It is a type of cobalt-containing corrin-type complex organic compound. The trivalent cobalt contained is located in the center of the corrin ring plane similar to porphyrin. It is the largest and most complex vitamin molecule discovered so far, and it is also the only vitamin containing metal ions. Its crystal is red, so it is also called Chemicalbook red vitamin.Plants do not contain VB12 and cannot produce VB12.

Products Description of Cobalt Nitrate CAS#10026-22-9Cobalt nitrate hexahydrate is a red crystalline powder. Solubility: easily soluble in water, ethanol, acetone and methyl acetate, slightly soluble in ammonia. It is mainly used to make catalysts, invisible inks, cobalt pigments, ceramics, sodium cobalt hexanitrite, etc. On October 27, 2017, the World Health Organization's International Agency for Research on Cancer published a preliminary list of carcinogens for reference.

Products Description of Molybdate Orange CAS#12656-85-8 ,also known as Pigment Red 104, is an inorganic pigment that is widely recognized for its vibrant orange hue.

Products Description of Formic acid CAS#64-18-6 Formic acid is an important chemical raw material. It was first discovered by Fisher in 1670. A.S.Marggret first produced pure formic acid in 1749.It was first discovered by distilling red ants, hence the name formic acid. Formic acid is widely found in nature, such as in the secretions of red ants, bees, caterpillars, etc., in the leaves and roots of plants, and in fruits. It is the simplest carboxylic acid. Compared with other fatty carboxylic acids, it has a special structure and is more acidic.

Products Description of M-Phenylenediamine (m-PDA) CAS#108-45-2Meta-phenylenediamine is an important raw material for organic synthesis. It is mainly used as a dye intermediate to produce basic orange, basic brown G, direct sunfast black G and other dyes. It is also used as fur dye and epoxy resin. It is used as a curing agent, cement coagulant, mordant, color developer, etc.