DUASYN ACID BLUE AE 03

Duasyn Acid Blue AE 03 is a water soluble acid dye used for the coloration of detergents and cleaners. 
Duasyn Acid Blue AE 03 is also suitable for stationery, fertilizers and crop protection.
Duasyn Acid Blue AE 03 is a type of synthetic acid dye that belongs to the broader class of anionic dyes, which are water-soluble and typically applied to substrates such as wool, silk, nylon, and other polyamide fibers by using an acidic dye bath. 

CAS Number: 3844-45-9
Molecular Formula: C37H37N2NaO9S3
Molecular Weight: 772.88
EINECS Number: 223-339-8

Synonyms: Brilliant Blue FCF, Brilliant Blue, FD&C Blue No. 1, Blue 1206, FD & C Blue no. 1, Fenazo Blue XI, Japan Blue 1, Merantine Blue EG, Cosmetic Blue Lake, Hexacol Brilliant Blue A, Brilliant Blue FCF supra, blue no. 1, Japan Blue No. 1, Intracid Pure Blue L, Usacert Blue No. 1, FDC Blue No. 1, Food Blue Dye No. 1, Modr Kysela 9, Aizen Food Blue No. 2, Modr Brilantni FCF, C.I. ACID BLUE 9, DISODIUM SALT, Canacert Brilliant Blue FCF, Modr Potravinarska 2, Usacert FD and C Blue No. 1, D&C Blue No. 1, 1206 Blue, PPQ093M8HR, DTXSID2020189, H3R47K3TBD, DTXCID40189, Benzenemethanaminium, N-ethyl-N-(4-((4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)(2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-3-sulfo-, inner salt, disodium salt, Benzenemethanaminium, N-ethyl-N-[4-[4-[ethyl[(3-sulfophenyl)methyl]amino]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-, inner salt, disodium salt, brilliant blue, disodium salt, brilliant blue diammonium salt, brilliant blue FCF, diammonium salt, CI Food Blue 2, E-133, VIBRACOLOR BLUE ABL9, INS NO.133, COVACAP BLEU W 6102, INS-133, CI-(1975)NO.42900, 223-339-8, Benzenemethanaminium, N-ethyl-N-(4-((4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)(2-sul-fophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-3-sulfo-, Hydroxide, Inner Salt, Disodium Salt, Food Blue 2, RefChem:570234, 3844-45-9, Erioglaucine disodium salt, Food Blue No. 1, Dolkwal Brilliant Blue, Acid Sky Blue A, MFCD00012141, Food Blue 1, CHEBI:82411, Benzenemethanaminium, N-ethyl-N-(4-((4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)(2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-3-sulfo-, hydroxide, inner salt, disodium salt, CHEMBL3184128, FD&C blue No.1, Benzenemethanaminium,N-ethyl-N-[4-[4-[ethyl[(3-sulfophenyl)methyl]amino]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-, inner salt, disodiumsalt, Acid Blue 9, FD&C Blue No. 1, E133, disodium, 2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate, Sodium 2-((4-(ethyl(3-sulfonatobenzyl)amino)phenyl)(4-(ethyl(3-sulfonatobenzyl)iminio)cyclohexa-2,5-dien-1-ylidene)methyl)benzenesulfonate, Erioglaucin A, Modr Kysela 9 [Czech], Brilliant Blue FCF (Technical Grade), CCRIS 97, Blue FCF, Benzenemethanaminium, N-ethyl-N-(4-((4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)(2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-3-sulfo-, inner salt, sodium salt (1:2), disodium 2-{(Z)-(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)[(4Z)-4-{ethyl[(3-sulfonatophenyl)methyl]iminio}cyclohexa-2,5-dien-1-ylidene]methyl}benzenesulfonate, Modr Brilantni FCF [Czech], Food Blue No.1, Modr Potravinarska 2 [Czech], Brilliant blue FCF, disodium salt, Brilliant Blue E 133, EINECS 223-339-8, UNII-H3R47K3TBD, UNII-PPQ093M8HR, HSDB 7972, Edible pigment carmine, Erioglaucine sodium salt, Edible pigment fruit green, Blue 1206, Blue FCF, Edible pigment bright black, Edible pigment lemon yellow, SCHEMBL124486, SCHEMBL124487, orb1299522, SCHEMBL29350843, SCHEMBL29536371, Erioglaucine (C.I. 42090), MSK2422, SGHZXLIDFTYFHQ-UHFFFAOYSA-L, Tox21_300516, BDBM50574568, AKOS037643360, FB19007, NCGC00254363-01, Ammonium, ethyl(4-(p-(ethyl(m-sulfobenzyl)amino)-alpha-(o-sulfophenyl)benzylidene)-2,5-cyclohexadien-1-ylidene)(m-sulfobenzyl)-, hydroxide, inner salt, disodium salt, AS-15303, DA-71735, Dihydrogen (ethyl)(4-(4-(ethyl(3-sulphonatobenzyl)amino)-2'-sulphonatobenzhydrylidene)cyclohexa-2,5-dien-1-ylidene)(3-sulphonatobenzyl)ammonium, disodium salt, N-Ethyl-N-[4-[4-[ethyl[(3-sulfophenyl)methyl]amino]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-3-sulfobenzenemethanaminium Inner Salt Sodium Salt, CAS-3844-45-9, B0790, F0147, C19352, D88693, Q420093, DISODIUM N-ETHYL-N-4-((4-(ETHYL((3-SULFOPHENYL)METHYL)AMINO)PHENYL)(2-SULFOPHENYL)METHYLENE)-2,5-CYCLOHEXADIEN-1-YLIDENE)-3-SULFOBENZENEMETHANAMINIUM, DISODIUM SALT OF ETHYL(4-(P-(ETHYL(M-SULFOBENZYL)AMINO)-(ALPHA)-(O-SULFOPHENYL) BENZYLIDENE)-2,5-CYCLOHEXADIEN-1-YLIDENE)(M-SULFOBENZYL) AMMONIUM HYDROXIDE INNER SALT, disodium, 2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]iminio]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate, N-Ethyl-N-(4-((4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)(2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-3-sulfobenzenemethanaminium hydroxide, inner salt, disodium salt.BenzeneMethanaMiniuM,N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)Methyl]aMino]phenyl](2-sulfophenyl)Methylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-,inner salt, sodiuM salt (1:2), Acid Blue 9, dye content approximately 60%, Brilliant Blue E 133, Duasyn Acid Blue Ae 02, E 133 (dye), Japan Food Blue No. 1, Puricolor Blue Abl 9, Sicovit brilliant Blue 85e133

Duasyn Acid Blue AE 03 is an organic molecular entity.
Duasyn Acid Blue AE 03 is a soluble dye. Available as water soluble powder dye. 
Duasyn Acid Blue AE 03 is used in personal care and cosmetics.

Duasyn Acid Blue AE 03 is a commercial product name rather than a single standardized chemical identity, and it generally refers to a coloring agent designed to produce deep blue shades with good brightness and high tinctorial strength.
This dye works by binding to the positively charged sites on fibers in an acidic environment, which makes it useful for the textile industry where strong and uniform coloration is required. 

In addition to textiles, Duasyn Acid Blue AE 03 may also be used in leather processing, paper dyeing, and sometimes in inks or specialty coatings, where its solubility and stability in water make it a practical choice.
Because it is part of the acid dye family, Duasyn Acid Blue AE 03 typically exhibits good solubility, straightforward application methods, and the ability to produce vivid, long-lasting colors, although its fastness properties (such as resistance to washing, light, and rubbing) can vary depending on the exact formulation and the material it is applied to.

Duasyn Acid Blue AE 03 is widely employed in the textile industry, particularly for dyeing natural fibers like wool and silk, as well as synthetic polyamides such as nylon, because its molecular structure allows it to form strong ionic interactions with the fiber under acidic conditions, resulting in brilliant and uniform blue shades that are often difficult to achieve with natural dyes.
Unlike basic dyes, which may produce uneven or less permanent coloration, acid dyes like Duasyn Acid Blue AE 03 are prized for their ability to penetrate deeply into fibers, giving fabrics both intensity of color and relative durability in daily use.

In addition to textile applications, this dye is frequently used in the leather industry, where it imparts rich blue tones during the finishing process, contributing to both the aesthetics and the market appeal of leather goods. 
Duasyn Acid Blue AE 03 may also be utilized in paper dyeing, where its water solubility ensures an even distribution of color throughout the pulp, producing brightly colored paper for decorative, packaging, or specialty printing purposes.

Duasyn Acid Blue AE 03 belongs to the family of synthetic acid dyes, which are specifically designed to interact with positively charged groups present in protein-based and polyamide fibers under acidic conditions. 
This chemical interaction gives the dye a strong affinity for the substrate, allowing for excellent color fixation, uniform penetration, and reduced risk of uneven patches, which is why it is often preferred in professional textile dyeing operations where color consistency is critical.

Melting point: 283 °C (dec.) (lit.)
Density: 0.65
Storage temp.: 2-8°C
Solubility: water: soluble 1 mg/mL
Form: Fine Crystalline Powder
Colour Index: 42090
Color: Dark purple
Water Solubility: SOLUBLE
λmax: 406 nm, 625 nm
ε (extinction coefficient): ≥10000 at 306-310 nm in H2O, ≥80000 at 627-631 nm in H2O, ≥9500 at 627-631 nm in H2O
Merck: 14,1373
Stability: Stable. Incompatible with strong oxidizing agents.
Biological Applications: Treating coughing, sneezing, rhinorrhea, nasal obstruction, rhinitis, medical devices
LogP: -0.320

Some specialized industrial processes employ Duasyn Acid Blue AE 03 in ink formulations and coatings, particularly in products where a stable, vivid blue is required. 
For example, it may be incorporated into printing inks, markers, or aqueous-based paints, benefiting from its high solubility and compatibility with water-based systems. 
In laboratory or research settings, acid dyes like this can also be used as biological stains, since their strong affinity for proteins and positively charged cell components makes them useful in microscopic analysis, although the exact suitability of Duasyn Acid Blue AE 03 for staining depends on purity and formulation.

Finally, because it is a commercial product name, Duasyn Acid Blue AE 03 may vary in its precise chemical makeup depending on the manufacturer or the intended application. 
However, it is generally engineered to provide consistency, safety in handling, and reproducibility of results, which makes it a preferred choice in industries where controlled, high-quality color production is essential.

The dye is known for producing intense, brilliant shades of blue that retain their vibrancy even after repeated washing and exposure to light, making it a reliable choice for manufacturers aiming to achieve durable coloration in fabrics that will be used in fashion, upholstery, or industrial textiles. 
Duasyn Acid Blue AE 03s solubility in water further enhances its practicality, as it can be easily dissolved and applied in aqueous dye baths, ensuring smooth processing and efficient uptake by the fibers.

Beyond the textile field, Duasyn Acid Blue AE 03 also finds uses in industrial and specialty applications such as the coloration of leather, paper, and in some cases, water-based inks, paints, and coatings, where its stability and ability to produce vivid hues are valuable. 
In leather production, for example, it provides deep and uniform blue tones, enhancing the luxury appeal of products like handbags, shoes, and upholstery. 
In paper industries, it contributes to decorative and specialty paper products, enabling designers to achieve high-impact visual results that are both aesthetic and functional.

In certain laboratory contexts, dyes from the acid blue family—including Duasyn Acid Blue AE 03—can also be adapted for use as biological stains, because their ability to bind to positively charged cellular components allows for the visualization of structures under the microscope. 
While not always the primary choice for biomedical use, these dyes demonstrate the versatility of acid dye chemistry across both industrial and scientific applications.

Uses Of Duasyn Acid Blue AE 03:
Duasyn Acid Blue AE 03 is a colorant. 
Duasyn Acid Blue AE 03 has a solubility in water of 20 g in 100 ml at 25°c. 
Duasyn Acid Blue AE 03 has good ph stability with only slight fading after 1 week at ph 3, 7, and 8 but is unstable in alkalis such as 10% sodium carbonate and 10% ammonium hydroxide. 

Duasyn Acid Blue AE 03 has good stability in 10% sugar systems. 
It has fair stability to light, fair to poor stability to oxidation, and good stability to heat. 
Duasyn Acid Blue AE 03 has a greenish-blue hue with excellent tinctorial strength. 

Duasyn Acid Blue AE 03 is used with other primary colors to produce a variety of shades, for example, in combination with fd&c yellow #5, it gives green. 
It has good compatibility with food components. 
It is used in candies, baked goods, soft drinks, and desserts. 

Duasyn Acid Blue AE 03 is a colorant for foods and other substances to induce a color change. 
Duasyn Acid Blue AE 03 is denoted by E number E133 and has a color index of 42090. 
It has the appearance of a reddish-blue powder. 

Duasyn Acid Blue AE 03 is soluble i n water, and the solution has a maximum adsorption at about 628 nanometer. 
Brilliant Blue FCF has the capacity for inducing an allergic reaction in individuals with pre-existing moderate asthma.
Duasyn Acid Blue AE 03 has a wide range of industrial and commercial uses, largely because it is a strong, water-soluble acid dye that binds effectively to positively charged groups in natural and synthetic fibers under acidic conditions. 

In the textile industry, it is commonly used to dye wool, silk, nylon, and sometimes modified acrylics, producing intensely vivid and long-lasting blue shades that are highly valued in both fashion and interior fabrics. 
Manufacturers prefer this dye because it allows for uniform penetration into fibers, consistent color reproducibility across large batches, and resistance to fading during washing or light exposure, which makes it suitable for high-end clothing, carpets, and upholstery.

In the leather industry, Duasyn Acid Blue AE 03 is often used in tanning and finishing processes to give leather goods such as shoes, bags, and furniture coverings deep, elegant blue tones with good surface brightness, enhancing both durability and aesthetic appeal. 
It is also employed in the paper industry, where it provides striking coloration for decorative, packaging, and specialty papers, ensuring that the final products are visually distinctive and resistant to discoloration.

Beyond fibers and paper, Duasyn Acid Blue AE 03 may be incorporated into inks, coatings, and water-based paints, where its stability, solubility, and strong chromatic properties make it a useful additive for achieving precise color shades.
In some specialized contexts, dyes from this family are also utilized in biological staining and laboratory visualization techniques, as their chemical structure allows them to bind selectively to certain biomolecules, which helps researchers highlight structures under the microscope, although this is a less common application compared to its industrial roles.

Safety Profile Of Duasyn Acid Blue AE 03:
Duasyn Acid Blue AE 03, like many synthetic acid dyes, is generally considered low in acute toxicity, meaning that brief exposure in small quantities is unlikely to cause severe systemic effects. 
However, prolonged or repeated exposure, particularly in industrial settings where dust or concentrated solutions are handled, may present health risks. 
Inhalation of fine dust particles can irritate the respiratory tract, causing coughing, throat discomfort, or shortness of breath in sensitive individuals, and repeated exposure over time could aggravate pre-existing conditions such as asthma.

Direct contact with the dye in either powdered or concentrated solution form may lead to mild to moderate skin irritation, including redness, itching, or dermatitis in susceptible individuals. 
Eye contact can result in burning sensations, redness, and tearing, emphasizing the need for protective eyewear when handling the substance in laboratories or manufacturing plants. 
The use of gloves, long sleeves, and safety goggles is therefore strongly recommended to minimize exposure.

While Duasyn Acid Blue AE 03 is not intended for internal consumption, accidental ingestion can cause gastrointestinal discomfort, including nausea, vomiting, or diarrhea. 
Large amounts could potentially overwhelm the digestive system and, in rare cases, lead to more serious metabolic disturbances. 
Therefore, ingestion should be avoided, and the dye should be stored securely away from food and drink.