Sudan blue dye 39,MSDS,Hazard,Safety. Packaging 5 Analysis in spices and food Sudan dyes, e. In this report, we examined the toxic Sudan Black B and Sudan Blue can partly enter the lymphatics of the small intestine from the lumen with long chain fatty acids. Molecular Fomula:C22H18N2O2,Molar Mass:342. 5 to 93. The adsorption/photocatalytic processes revealed that membrane morphology and TiO 2 cluster size were the parameters that mainly affected the dye removal efficiency. Sudan Blue II analytical standard; CAS Number: 17354-14-2; EC Number: 241-379-4; Synonyms: Solvent Blue 35 at Sigma-Aldrich Adhere to ever-changing regulations with our Sudan Blue 2 reference standards for environmental testing, CAS number: 17354-14-2 . In industrial fields, they are used to colour oils, waxes, greases, fats, hydrocarbons derivatives, polishes, oily insecticides, and acrylic emulsions. Production and supply of Solvent Blue 35 by Emperor Chem,Solvent Blue 35 is also called Oil Blue 2N,Sudan Blue 670,TDS,Application and MSDS download of Solvent Blue 35 are introduced. Its unique properties, including high solubility and lightfastness, make it ideal for various applications in research and industry. Sudan blue is a dye. In recent years, the adulterated use of Sudan dyes in food has attracted much concern. Standard soln of Sudan I were prepared by dissolving 0. 12140, C 18 H 16 N 2 O) [1] is a lysochrome (fat-soluble dye) azo dye used for staining of triglycerides in frozen sections, and some protein bound lipids and lipoproteins on paraffin sections. Their degradation products are considered to be carcinogens and teratogens. Sudan Black B dye is the most commonly used dye from the Sudan dye groups. With the stopcock closed, add 10 mL of the dye mixture to a 125 mL separatory funnel. Sep 12, 2005 · The European Food Safety Authority (EFSA) has published a review of the toxicological data on illegal dyes found in food to date in the EU and on other unauthorised dyes which could raise concern in the future should they be used in foods. 17354-14-2,other name is Sudan blue 670,Fast Blue Bol,Solvent Blue 35 is used in coloring for printing inks, plastics, PS, HIPS, ABS, PC, RPVC Millipore Sigma Catalog SIAL 306436 « Back Sudan Blue II SIAL/306436 - Dye content 98 % Discover Sudan Blue II, a vibrant blue color. Fig. Mar 22, 2022 · The Rapid Alert System for Food and Feed in Europe mentioned a case of unauthorized food dye Sudan Blue II in a roasted corn snack food. g. Sudan I to IV, Sudan Orange G, Sudan Red B, Sudan Red G, Sudan Red 7B, and Sudan Black B as well as other dyes like 4-(Dimethylamino)-azobenzene (Butter Yellow) and Para Red are basically synthetically produced azo dyes. Sudan Blue II is carcinogenic and is harmful to human health and environment. Solvent Blue 35 CAS NO. It is commonly used as a coloring agent in industrial fields such as oils, plastics, textiles, shoes, printing inks, floor polishes and cosmetics. It is more soluble in non-polar solvents like hexanes. a. On the other hand, Congo Red is an azo dye which is anionic and can form salts; hence it is generally soluble in water, particularly under basic conditions where it can remain ionized. Sudan Blue II is a synthetic dye used in histology for lipid detection and in textiles for vibrant coloring. Discover Sudan Blue II, a vibrant blue color. Sudan Blue reacts with HCl in the solution because it has a high pH. Polar solvents tend to be effective at dissolving polar substances and non-polar solvents tend to be effective at dissolving non-polar substances. General description Sudan Blue II, also known as Solvent Blue 35 or Oil Blue 35, is a synthetic dye, with a functional azo group and aromatic ring. Articles of Solvent Blue 35 are included as well. In the wake of the Sudan I and Para Red alerts in the United Kingdom and other European Union countries at the beginning of the year, the European Solvent Blue 35 (Sudan Blue II, Oil Blue 35) is a member of the Sudan family of hydrophobic fat-staining dyes, predominantly used for staining triglycerides in animal tissues (frozen sections). Sudan Blue II, also known as Solvent Blue 35 or Oil Blue 35, is a synthetic dye, with a functional azo group and aromatic ring. Steiner ) Dyeguard Blue 79 ( John Hogg Technical Solutions ) Dyeguard Blue 79 (B) ( John Hogg Technical Solutions ) Sudan Blue 673 ( BASF Aktiengesellschaft ) Sudan Blue B ( BASF Aktiengesellschaft ) Unisol Liquid Blue B ( United Color Mfg Inc ) Unisol Liquid Blue BXHF-150 ( United Color Mfg Inc ) Application Sudan Blue II is used as a dye for staining alcohols, ester, hydrocarbon derivatives, oils, fats, and waxes. After distillation of 500 ml water containing Sudan I, residual dye in the condenser and other apparatus were washed with up to 100 ml acetone, which also improved formation of emulsion. Oct 1, 2025 · Discover Sudan Blue II, a vibrant blue color. J Ethnopharmacol. Reaction: Sudan Blue + HCl Mar 26, 2023 · Using Acid-Base Liquid-Liquid Extraction to Separate Sudan Orange and Sudan Blue in Hexane As Well As Ethyl-4-Aminobenzoate and Ethyl-4-Nitrobenzoate in Diethyl Ether Introduction Liquid-liquid extraction is a technique often used in organic chemistry to separate organic compounds in a mixture, and the main concepts behind its success are polarity, like-dissolves- like, and density. Explore the uses and benefits of Sudan I, a lysochrome, a diazo-conjugate dye suitable for use in histological and hematological applications. Oct 23, 2025 · Preparation Solvent Blue 35 is prepared from 1,4-Dihydroxyanthracene-9,10-dione and Butan-1-amine (2 Moore) condensation. Oct 31, 2025 · Discover Sudan Blue II, a vibrant blue color. Two layers Mar 9, 2024 · To predict the solubility of each dye molecule (Sudan Blue, Sudan Orange, Congo Red) in hexanes or water at pH 7, we can analyze their structures and identify functional groups that are either polar or nonpolar. 025 g of the dye in 50 ml of acetone, and then diluting with methanol. Sudan azo dyes are banned for food usage in most countries, but they are illegally used to maintain or enhance the color of food products due to low cost, bright staining, and wide availability of the dyes. View catalogue prices, chemical data, technical specifications and SDS documents. Oct 24, 2012 · Carburex Blue L 79 ( S A des Ets. doi: 10. The blue dye is primarily for customers with red-green colorblindness. Historically, Sudan I used to serve as a food coloring agent, notably for curry powder and chili powder. 1: Salih EYA, Julkunen-Tiitto R, Lampi AM, Kanninen M, Luukkanen O, Sipi M, Lehtonen M, Vuorela H, Fyhrquist P. Due to this fact, the EU does not permit the use of Nov 20, 2023 · For each of the three dye molecules (Sudan Blue, Sudan Orange, Congo Red) in Figure 1, predict whether it will be more soluble in hexanes or water (at pH 7). 1016/j. . An extraction was then run on the 1M NaOH by first obtaining 25 mL of the Sudan Blue, Sudan Orange dye mixture and 45 mL of the selected aqueous solution. NaOH separated Sudan blue and Orange b. 5 days ago · Sudan Blue II is also known as Solvent Blue 35 or Oil Blue 35 and is a member of the Sudan family of hydrophobic fat-staining dyes. Jan 28, 2023 · Principle of Sudan Staining: Sudan Black B dye Sudan stain uses frozen tissue sections that are fixed using formalin solution or paraffinized sections. Is Sudan Blue, Sudan Orange, and Congo Red soluble in water, hexane or both? Based on the structures below, explain? why?these three dyes would be/would not be soluble in water/hexane? What is the general theory of the solubility of organic compounds in water/ hexanes? One kit uses an exact replacement for Sudan IV that contains virtually no o-toluidine, which is a mutagen. Recovery of Sudan I was 88. Sudan I (also known as CI Solvent Yellow 14 or Solvent Orange R) [1] is an organic compound typically classified as an azo dye. Sudan stains and Sudan dyes are synthetic organic compounds that are used as dyes for various plastics (plastic colorants) and are also used to stain sudanophilic biological samples, usually lipids. It is widely used to stain alcohols, esters, hydrocarbon derivatives, oils, fats and waxes. (b) Mixture B: Sudan Blue and Sudan Orange 5. Solvent Blue 35 (Sudan Blue II) is a dye utilized for coloring hydrocarbon-based and alcoholic solvents, as well as staining triglycerides in animal tissues. The stopcock was then closed, and 25 mL of the dye mixture was added to a 125 mL separatory funnel. (a) Mixture A: Sudan Blue and Congo Red . Those containing azo-structures often produce yellow-red colouration whereas those based on anthraquinones tend to Sudan III changes its color from orange to blue against a small volume of sulfuric acid, and the acetonitrile solution of Sudan III is the most suitable for observing the color-change phenomenon. Sudan Blue II, also known under the name Solvent Blue 35, is used to dye oils, solvents, alcohols, esters, hydrocarbon derivatives and other industrial chemicals, and is classified as carcinogenic and harmful Sudan Blue Sudan Orange Congo Red minto one person Figure 1: The structures of the dyes. Sudan Blue II for microscopy; CAS Number: 17354-14-2; EC Number: 241-379-4; Synonyms: Solvent Blue 35 at Sigma-Aldrich Sudan in a kind of synthetic lipophilic azo dye and consists of Sudan I, Sudan II, Sudan III and Sudan IV. PRODUCT USE Solvent dyes, undergoing molecular rearrangement, are dissoluted in the substrate. However, along with its derivatives Sudan III and Sudan IV, the compound Discover Sudan Blue II, a vibrant blue color. Discover Sudan Blue II, a vibrant blue color. 2018 Dec 5;227:82-96. Feb 14, 2023 · In our experimental test tubes, it looked initially as though the best separation of organic and aqueous components in the sudan blue and sudan orange happened in deionized water, However, when the water and dye mixture were run through the separatory funnel, the organic layer containing the dye stayed green in color, while the aqueous bottom Study with Quizlet and memorize flashcards containing terms like sudan blue, sudan blue, addition of HCl, increases polarity which decreases solubility in hexanes and increases solubility in water and more. By use of a fat emulsion saturated with them small intestinal and mesenteric lymphatics were clearly delineated. Application Sudan Blue II is used as a dye for staining alcohols, ester, hydrocarbon derivatives, oils, fats, and waxes. - Mechanism of Action & Protocol. This is a list of dyes with Colour Index International generic names and numbers and CAS Registry numbers. dye commonly used for staining alcohols, esters, hydrocarbon derivatives, oils, fats, and waxes. Terminalia laxiflora and Terminalia brownii contain a broad spectrum of antimycobacterial compounds including ellagitannins, ellagic acid derivatives, triterpenes, fatty acids and fatty alcohols. Include in your description: Which dye will be partitioned into which layer (organic or aqueous). Solvent Blue 104, also known as Sudan Blue, is a non-polar dye due to the absence of polar functional groups. Buy online at LGC Standards. This dye colors the hydrocarbon red and has a water-soluble green fluorescein for contrast. jep. With the use of certain solvents, may also Nov 7, 2025 · ChemicalBook provide Chemical industry users with Solvent Blue 35 Boiling point Melting point,Solvent Blue 35 Density MSDS Formula Use,If You also need to Solvent Blue 35 Other information,welcome to contact us. Jun 17, 2017 · Sudan II and III can also be used in cosmetics and drugs applied externally whereas Sudan IV (also known as scarlet red) can be used in veterinary and human medicine as an ointment or dressings for stimulating wound healing. 2) Although acid/base reactions involve small structural changes, they often lead to a change in the molecule's properties, as evidenced by the change in formal charge. They are predominantly used for staining triglycerides in animal tissues (frozen Solvent Blue 35 (Sudan Blue II; Oil Blue 35) is a blue solvent dye that can be used to mark specific diesel fuels, among other things. Apr 10, 2024 · Name:SUDAN BLUE,CAS:128-85-8. It is derived from anthraquinone. They are predominantly used for staining triglycerides in animal tissues (frozen sections). Question: Extension techniques to separate mixtures of three dye molecules: Sudan blue, orange, Congo Red. 60 Chromatogram of a 6 dyestuff mixture made up (according to falling Rf values) of Sudan red 7B, Sudan orange G, Sudan black B, Sudan yellow, Artisil blue 2RP and Sudan black B (2 components) under different humidity conditions. The red dye stains petroleum products (including DNAPLs) red; while the green dye colors the water to provide a visual contrast between the two colours. Sudan II (Solvent Orange 7, C. May 5, 2024 · CHEM 8L Experimental Results & Discussion - UCR Student Name & Lab Section: Experiment Title: Purification by Distillation Reaction Scheme In the lab, we need to use the Extraction and Washing Technique and the Thin-Layer Chromatography to find which dye reacts with the HCl or NaOH aqueous solution. 1) For each of the three dye molecules (Sudan Blue, Sudan Orange, Congo Red) in Figure 1, predict whether it will be more soluble in hexanes or water (at pH 7). 9% in the pH range 1 to 11. General Description Sudan Blue II is a synthetic dye, with a functional azo group and aromatic ring. Sudan II | C18H16N2O | CID 18386 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety Production and supply of Solvent Blue 36 by Emperor Chem,Solvent Blue 36 is also called Oil Blue AP,Sudan Blue FB,TDS,Application of Solvent Blue 36 are introduced. They colour and bind to lipids . CAS RN 17354-14-2 IUPAC Name: 1,4-bis (butylamino)-9,10-dihydroanthracene-9,10-dione Synonyms: oil blue 35 colouring agent CI 61554 (solvent blue 35) Molecular Weight (g/mol): 350. These polymeric membranes were tested to remove Sudan Blue II (SB) dye from aqueous solutions. 5 days ago · Chemsrc provides Solvent Blue 35 (CAS#:17354-14-2) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Sudan dyes are a group of lipid soluble solvent dyes often called lysochromes, in structural classification they are diazo dyes. Oct 23, 2025 · Sudan Blue II is a synthetic dye, with a functional azo group and aromatic ring. Packaging 5 Safety of Sudan dyes Sudan dyes are suspected carcinogens IARC considers Sudan I,II,III,IV as Group 3 carcinogens Sudan dyes have been reported as contact allergens and sensitisers. It is used also in lacquers and inks. The Dec 13, 2022 · These polymeric membranes were tested to remove Sudan Blue II (SB) dye from aqueous solutions. This is largely due to the energetic favorability of an arrangement that maximizes intermolecular interactions. Based on your solubility prediction in #3, describe the steps you would use to separate the following mixtures. 46 Molecular Formula: C22H26N2O2 InChi Key: OCQDPIXQTSYZJL-UHFFFAOYSA-N Discover Sudan Blue II, a vibrant blue color. ChemicalBook provide information on the 17354-14-2: structure, uses, msds, molecular formula, cas, and suppliers. Sudan I was then The method is based on the simultaneous pre-concentration and adsorption of Sudan dyes on nanosilica combined with HPLC. From left to right 72, 65, 47, 42, 32,18, 14 and 9% relative humidity layer silica gel 60 mobile phase toluene. The adsorption/photocatalytic processes revealed that membrane morphology and TiO2 cluster size were the parameters that mainly affected the dye removal efficiency. The OIL-IN-SOIL kit also comes in a royal blue color called OIL-IN-SOIL RB. 4. Buy GT5180 - Sudan Blue II (C. ChemSpider record containing structure, synonyms, properties, vendors and database links for Sudan Blue, 6994-46-3, JUUJTYPMICHIEM-UHFFFAOYSA-N Oil Blue 35[1] is a blue anthraquinone dye used for colouring alcoholic and hydrocarbon based solvents, including oils, fats, and waxes. The optimum parameters for the adsorption of the Sudan dyes on nanosilica were systematically investigated to determine suitable conditions for Sudan dye enrichment. 04. 61554) (17354-14-2) online from Glentham Life Sciences, a manufacturer and supplier of fine chemicals. What is Rein A rapidly dissolving cube is attached to the cap. I. Obtain 15 mL of the Sudan Blue/Sudan Orange dye mixture and 30 mL of your selected aqueous solution. The cube has a Sudan IV based red oil soluble dye and a fluorescing yellow/green water soluble dye disbursed thoughout its surface. When 30 wt% TiO2 was used, the entire membrane section showed agglomerates of TiO2 nanoparticles. 2018. Absorption and fluorescence spectra of some Sudan dyes (Sudan III, Sudan IV and Sudan black B) were recorded in various solvents, in the range of 300–800 nm, at room temperature. Sudan Blue II is also known as Solvent Blue 35 or Oil Blue 35 and is a member of the Sudan family of hydrophobic fat-staining dyes. What would be the optimal pH (acidic, neutral, or basic) for the aqueous layer. H-NMR and UV-Vis spectroscopic studies show that the color-change mechanism of Sudan III against sulfuric acid is due to the protonation of the dye by sulfuric acid [1]. Sep 12, 2022 · Sudan Blue and Sudan Orange G are non-polar, hydrophobic molecules, which means they will dissolve in solvents with similar properties. Sudan Black B is a slightly basic dye that combines with the acidic groups in the lipid compounds, hence staining the phospholipids, lipoproteins, and triglycerides Discover Sudan Blue II, a vibrant blue color. Determine the relative solubility of each of the dyes in hexane, organic solvent, versus acidic (1M HCl), neutral (H2O) or basic (1M NaOH) aqueous solutions. [2] It is an orange-red solid, used to color waxes, oils, petrol, solvents, and polishes. Dec 13, 2022 · These polymeric membranes were tested to remove Sudan Blue II (SB) dye from aqueous solutions. . vuichpg ykjjg sbxdrkb ljxlw wpzfxh lsre lznvikj ussac sjtdr vpczxr qrkz yvks fsrcawc fkyhdo qkfc