Parth Industries

Basic Violet 10, commonly known as Rhodamine B, is a highly fluorescent cationic dye celebrated for its vivid pink-red hue and exceptional color intensity. Its brilliant fluorescence and clarity make it a standout choice for applications requiring strong visual impact, including typewriter ribbons, tissue and wax papers, and specialty printing inks.

Designated as Basic Violet 10 (C.I. 45170), this dye is listed under CAS number 81-88-9. Its chemical formula is C₂₈H₃₁ClN₂O₃, and it has a molecular weight of 479.01. It is available in both powder and liquid forms to suit a wide range of production methods.

Rhodamine B is highly soluble in water and ethanol, producing intensely fluorescent solutions. It remains stable in acidic media but may fade under prolonged exposure to strong light. Despite this, its luminous appearance and bold coloration ensure strong visibility and aesthetic appeal.

Ideal for creating eye-catching designs, brand packaging, and high-contrast print materials, Basic Violet 10 continues to be a trusted dye for industries that demand brilliance, vibrancy, and lasting visual appeal.

Basic Violet 14 is a water-soluble cationic dye known for its vivid magenta or pink-purple shade. It is widely used in art and coated papers, as well as in textile applications such as silk and wool. Its intense coloration and strong dispersion properties make it ideal for high-visibility print work, especially on dark or textured surfaces.

Identified as Basic Violet 14 (C.I. 42510), the dye is registered under CAS number 632-99-5. It has a chemical formula of C₂₀H₂₀ClN₃ and a molecular weight of 337.85. Available in both powder and liquid forms, it is adaptable to various manufacturing needs.

When dissolved in water, Basic Violet 14 yields a strong magenta solution. It remains stable under mildly acidic conditions and offers excellent dispersion in pulp, making it effective in both bulk and surface applications.

With its bold hue and consistent performance, Basic Violet 14 is particularly valued for artistic prints, decorative paper coatings, and silk-screen work where color strength and clarity are essential.

Basic Red 12, offered in liquid form, is a vibrant cationic dye known for its striking pink-red shade and high tinctorial strength. Its excellent solubility in water and stable performance in acidic and neutral environments make it ideal for fast, efficient applications in printing and leather dyeing.

Identified as Basic Red 12 (C.I. 48070) with CAS number 6320-14-5, it has the chemical formula C₂₅H₂₉ClN₂ and a molecular weight of 392.96. The liquid formulation supports easy handling and precise dosing, especially suited to high-speed printing operations.

This dye delivers vivid color in printed papers, packaging materials, and leather goods. Its moderate lightfastness ensures lasting visual appeal, while its compatibility with recycled and coated paperboards makes it a preferred choice for sustainable and commercial production environments.

With its bold hue and reliable performance, Basic Red 12 (liquid) stands out as a trusted solution for achieving eye-catching, consistent coloration across various substrates.

Basic Black is a high-performance, water-soluble cationic dye designed to deliver rich, uniform jet-black coloration on a range of anionic substrates such as wood pulp, cotton, and acrylic fibers. Known for its strong fiber affinity and deep chromatic depth, it is widely used across industries including paper, textiles, coatings, and inks.

Marketed under commercial names like “Basic Black SW” or “Basic Black X 2RL,” the dye encompasses various proprietary formulations, with CAS numbers and molecular details varying by grade. It is available in both powder form and liquid concentrates to suit different processing needs.

Basic Black dissolves fully in water and exhibits strong cationic uptake, ensuring excellent penetration and shade consistency, especially in bulk dyeing of paper and high-speed production lines. It offers robust fastness properties—resisting fading from washing and light exposure—making it suitable for demanding industrial applications.

With its deep, intense tone and broad versatility, Basic Black remains a preferred solution for manufacturers seeking long-lasting, high-impact black coloration in both functional and decorative materials.

Basic Orange 1 is a bright, cationic dye known for delivering vibrant and lasting orange shades, making it especially suitable for eye-catching applications in the paper industry. Its intense coloration is ideal for specialty and newsprint papers, as well as for packaging materials where visual impact is critical. With strong compatibility with bamboo and hardwood pulps, this dye ensures consistent absorption and vivid tone development.

Identified as Basic Orange 1 (C.I. 11320), it carries the CAS number 4438-16-8 and has the chemical formula C₁₃H₁₅ClN₄, with a molecular weight of 262.74. It is available in both powder and liquid forms.

Basic Orange 1 is readily soluble in water and ethanol, forming bright orange solutions. It exhibits slight color variation under acidic or basic conditions, but maintains good acid fastness and moderate lightfastness, making it suitable for demanding industrial processes without significant fading.

Thanks to its high solubility, excellent fiber affinity, and bold shade, Basic Orange 1 remains a trusted choice for paper manufacturers looking to achieve vibrant, high-quality coloration in both standard and specialized paper grades.

Basic Orange 2 is a warm, yellow-orange cationic dye known for its strong tinting strength and versatility across paper and textile applications. Its rich, inviting tone enhances the visual appeal of tissue, decorative papers, and a variety of natural fibers such as silk, wool, and bamboo. This makes it a preferred choice for both artistic designs and industrial printing processes that require consistent, vibrant color.

Identified as Basic Orange 2 (C.I. 11270), it is registered under CAS number 532-82-1. The dye has a chemical formula of C₁₂H₁₃ClN₄ and a molecular weight of 248.71. It is offered in both powder and liquid forms to suit diverse application methods.

Basic Orange 2 is highly soluble in water and ethanol, producing deep yellow to orange shades. Its color may shift slightly depending on pH conditions, but it maintains moderate fastness overall and shows excellent brightness retention over time.

With its high compatibility with cellulose-based substrates and reliable performance in both acidic and neutral environments, Basic Orange 2 is an ideal solution for manufacturers seeking bold yet balanced color in high-quality paper and textile products.

Basic Violet 1 also known as Methyl Violet 2B is a striking cationic dye known for its intense purple hue and brilliant clarity, making it a popular choice for visually impactful paper products, high-resolution printing, and specialty applications. Its deep, vivid tone lends itself particularly well to artistic papers, luxury packaging, and dyed textiles such as wool, silk, and leather.

Designated as Basic Violet 1 (C.I. 42525), this dye is listed under CAS number 8004-87-3. It has a chemical formula of C₂₉H₂₈N₃NaO₇S₂ and a molecular weight of 617.67. It is commercially available in both powder and liquid forms to accommodate different processing techniques.

Basic Violet 1 is highly soluble in water and alcohol, producing brilliant purple solutions with excellent chromatic strength. It exhibits moderate lightfastness and good resistance to alkali, ensuring stability in various environments.

Thanks to its rich shade, reliable performance, and strong fiber affinity, Basic Violet 1 is favored in both artistic and industrial applications where vivid color and print clarity are essential.

Basic Violet 3 is a vibrant cationic dye valued for its brilliant violet-blue hue and strong tinting power. It is widely used in the paper industry, particularly for coating high-quality writing and decorative paper. Its vivid coloration and consistency make it especially well-suited for writing instruments, notebooks, and fine stationery where clarity and aesthetic appeal are essential.

Classified as Basic Violet 3 (C.I. 42555), the dye is registered under CAS number 548-62-9. Its chemical formula is C₂₅H₃₀ClN₃, with a molecular weight of 407.98. It is available in both powder and liquid forms for flexibility in formulation and processing.

Basic Violet 3 dissolves easily in water and ethanol, producing a clear, bluish-violet solution. It remains stable in mildly acidic environments but may fade in alkaline conditions. Despite this, it maintains excellent visual impact and reliable performance in coated paper products.

With its bold hue, excellent solubility, and reliable application performance, Basic Violet 3 remains a preferred choice for premium paper coatings and products where intense color and fine detail are priorities.

Basic Brown 1 is a versatile cationic dye known for producing rich brown tones, making it a valuable choice in the paper industry, particularly for staining bamboo and wood pulp. It is favored for its compatibility with both acidic and alkaline media, enhancing its utility across various manufacturing conditions. Its excellent solubility in water and strong affinity for lignocellulosic fibers make it especially suitable for use in craft and newsprint paper production.

Chemically identified as Basic Brown 1 (C.I. 21000) with CAS numbers 1052-36-6 and 8052-76-4, it has the molecular formula C₁₈H₁₈N₈ and a molecular weight of 346.39. It is available in both powder and liquid forms. In its solid state, it appears as deep brown crystals, while in solution, it exhibits a yellow-brown hue.

This dye is soluble in water but only slightly soluble in ethanol, and it remains insoluble in organic solvents. Its color properties change noticeably in different chemical environments—turning red-brown in concentrated sulfuric acid and orange in nitric acid. It precipitates in both acidic and alkaline media. In terms of fastness, it scores ISO 1–2 for lightfastness and 2–4 for perspiration fastness.

Beyond paper applications, Basic Brown 1 is also used for dyeing wool, silk, and leather, thanks to its broad compatibility and rich tonal quality.

Basic Blue 26 is a bright, water-soluble cationic dye known for its vivid blue hue and excellent compatibility with lignin-rich materials. It is widely used in the paper and textile industries, particularly for coloring newsprint, tissue, bamboo, and wood pulp, where it delivers strong chromatic depth and reliable contrast.

Classified as Basic Blue 26 (C.I. 44045), this dye is registered under CAS number 2580-56-5. It has a chemical formula of C₃₃H₃₂ClN₃ and a molecular weight of 506.08. Available in both powder and liquid forms, it offers flexibility across various application processes.

Basic Blue 26 is soluble in water and alcohol, producing a brilliant blue solution. It remains stable under acidic conditions and offers good brightness with moderate lightfastness, making it suitable for both bulk dyeing and surface coloration.

Renowned for its consistent shade and strong affinity for pulp, Basic Blue 26 is a preferred choice for manufacturers seeking to enhance the visual appeal of recycled paper, newsprint, and specialty fiber products.

Acid Orange 7, also known as Tropaeolin OOO2 (C.I. 15510), is a bright, water-soluble anionic azo dye renowned for its warm golden-orange hue. It is highly effective in acid dyeing applications, offering excellent solubility and reliable stability in acidic environments. This makes it a versatile choice for a wide range of substrates including wool, silk, nylon, leather, specialty papers, and even cosmetics and inks.

Registered under CAS number 633-96-5, Acid Orange 7 has the chemical formula C₁₆H₁₁N₂NaO₄S and a molecular weight of approximately 350.32 g/mol. It is typically supplied as a crystalline powder, dissolving readily in water at about 40 g/L at 25 °C.

The dye exhibits moderate light and wash fastness and has a pKa in the range of 8.3 to 11.4, enabling effective binding in mildly acidic dye baths. Its warm, consistent color and good dispersion make it ideal for uniform dyeing in both textile and paper industries.

With its balance of brightness, solubility, and dyeing reliability, Acid Orange 7 remains a trusted option for manufacturers seeking vibrant color performance in both traditional and specialty applications.