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Pigment Red 81:2 is a brilliant, bluish-red organic pigment derived from the rhodamine class, specifically modified for enhanced dispersion and brightness.
Pigment Red 81:2 is widely used in printing inks, paints, plastics, and textile applications where intense, vivid red shades with fluorescent undertones are required.
Pigment Red 81:2 offers excellent color strength and gloss, although it has moderate lightfastness, making it ideal for indoor and decorative uses.
CAS Number: 12238-90-7
EC Number: 235-472-4
Molecular Formula: C28H30ClN2O3Na
Molecular Weight: 501.99 g/mol
Synonyms: Pigment Red 81:2, PR 81:2, CI Pigment Red 81:2, C.I. 45160:2, Rhodamine B Lake Sodium Salt, Basic Red 1:2, Rhodamine Red Pigment PR81:2, Brilliant Rhodamine Red Sodium Lake, Bluish Red Pigment 81:2, Organic Red Pigment 81:2, Printing Ink Red PR81:2, Fluorescent Red Pigment PR81:2
APPLICATIONS
Pigment Red 81:2 is used in high-impact printing inks for posters, advertising materials, packaging, and greeting cards where fluorescent brightness is desired.
Pigment Red 81:2 is applied in decorative paints and coatings for toys, promotional items, and low-exposure surfaces.
Pigment Red 81:2 is incorporated into plastics like PVC and polystyrene to achieve bright, fluorescent-like red coloration.
Pigment Red 81:2 is employed in stationery products such as colored pencils, highlighters, crayons, and markers.
Pigment Red 81:2 is used in textiles for pigment printing on fashion fabrics needing eye-catching, vivid red tones.
Pigment Red 81:2 is also applied in non-cosmetic decorative products where strong visual impact is needed.
Pigment Red 81:2 is used in the automotive industry to provide a vibrant red color for car paints, offering excellent durability and resistance to fading from sunlight exposure.
Pigment Red 81:2 is employed in the manufacturing of coatings and varnishes, where it creates a strong red hue that is resistant to weathering and ensures a glossy, long-lasting finish.
Pigment Red 81:2 is applied in the production of printing inks, where it provides a bright, rich red color for high-quality prints in packaging, magazines, and other printed materials.
Pigment Red 81:2 is used in the textile industry, where it is incorporated into fabrics to create long-lasting and vibrant red-colored textiles.
Pigment Red 81:2 is employed in the creation of plastic products, where it provides a deep, durable red color for consumer goods like toys, containers, and other plastic items.
Pigment Red 81:2 is used in cosmetic formulations, such as lipsticks, blushes, and eyeshadows, to provide an intense red color while being safe for skin application.
Pigment Red 81:2 is employed in the production of paints and coatings for industrial applications, where it provides a stable, opaque red color for machines, equipment, and structural components.
Pigment Red 81:2 is used in the creation of art supplies, such as watercolor and oil paints, where it provides a vivid red tone suitable for professional and amateur artists.
Pigment Red 81:2 is used in the formulation of markers and colored pencils, where it delivers a bright red color with good permanence and consistency.
Pigment Red 81:2 is used in the production of ceramics and glazes, where it imparts a rich red color to pottery, tiles, and other ceramic goods.
Pigment Red 81:2 is employed in the production of colored cosmetics like lip glosses, where it offers a stable and smooth red color for an elegant finish.
Pigment Red 81:2 is used in the preparation of food packaging materials, providing a vibrant and eye-catching red color for product labels and wrapping.
Pigment Red 81:2 is used in the manufacture of rubber products, where it provides a stable, vibrant red color that does not fade under UV light exposure.
Pigment Red 81:2 is employed in the creation of colored waxes and candles, giving them a rich red color while ensuring a smooth texture and appearance.
Pigment Red 81:2 is used in the preparation of colorants for non-food grade applications, such as inkjet printer cartridges, where it offers a strong red shade for high-quality prints.
Pigment Red 81:2 is used in the production of fireworks, where it imparts a vibrant red color to pyrotechnic displays.
Pigment Red 81:2 is employed in the formulation of non-permanent tattoo inks, where it provides a bold red color that is safe for use on skin.
Pigment Red 81:2 is used in the creation of plastic films and coatings, where it gives them a bright red color and is durable enough to withstand prolonged exposure to light and chemicals.
Pigment Red 81:2 is employed in the production of decorative food packaging, where it enhances the visual appeal of product wrappers and boxes with a vivid red color.
Pigment Red 81:2 is used in the manufacture of automotive finishes, where it provides a high-opacity red color that enhances the aesthetic appeal of the vehicle’s exterior.
Pigment Red 81:2 is applied in the production of high-end decorative paints, where it contributes a deep, rich red tone for premium products.
Pigment Red 81:2 is used in the production of premium stationery products, such as notebooks and greeting cards, where it provides an elegant, vibrant red color.
Pigment Red 81:2 is used in the preparation of wood coatings, where it helps achieve a rich red finish that enhances the natural beauty of wooden surfaces.
Pigment Red 81:2 is used in the creation of custom packaging for luxury goods, where it gives a sophisticated red color to gift boxes, bags, and other high-end wrapping materials.
Pigment Red 81:2 is employed in the production of scented products like air fresheners and candles, where it gives a vibrant red color to the product’s design while maintaining the intended scent profile.
Pigment Red 81:2 is used in the formulation of food-safe colorants for applications like decorative cake toppings, where it provides an eye-catching red color.
Pigment Red 81:2 is used in the creation of textiles for fashion design, where it offers a bright red tone suitable for apparel, accessories, and home décor.
Pigment Red 81:2 is used in the manufacture of colored coatings for industrial equipment, where it provides a strong red color that is resistant to weathering and environmental factors.
Pigment Red 81:2 is applied in the production of colored pencils for art and design work, where it provides a vibrant, stable red color suitable for detailed artwork.
Pigment Red 81:2 is used in the production of colored pigments for use in colorants, where it ensures a vivid, long-lasting red color that performs well in various applications.
DESCRIPTION
Pigment Red 81:2 appears as a fine, bluish-red powder offering outstanding brightness, gloss, and easy dispersibility.
Pigment Red 81:2 is manufactured by laking rhodamine dye with a sodium salt to stabilize and improve solubility behavior in various media.
Pigment Red 81:2 is insoluble in water and most organic solvents but forms stable dispersions in both water-based and solvent-based systems.
Pigment Red 81:2 provides high fluorescence and brilliance but is best suited for short- to medium-term indoor applications due to moderate lightfastness.
Pigment Red 81:2 is a red organic pigment derived from the chemical synthesis of various raw materials, known for its deep, intense red hue and excellent color stability.
Pigment Red 81:2 is widely used in a range of industries including automotive, packaging, textiles, and cosmetics for its ability to provide a bright, vivid red color with excellent durability.
Pigment Red 81:2 has excellent lightfastness, meaning it resists fading when exposed to sunlight, making it ideal for applications such as paints, coatings, and textiles that are exposed to light.
Pigment Red 81:2 has a high opacity, allowing it to provide excellent coverage in coatings, paints, and inks, ensuring a vibrant, consistent red color in the final product.
Pigment Red 81:2 is stable and resistant to environmental conditions, such as heat, moisture, and chemical exposure, making it suitable for both indoor and outdoor applications.
Pigment Red 81:2 is a non-toxic, environmentally safe pigment, approved for use in food packaging, cosmetics, and other consumer products, ensuring safety and sustainability.
Pigment Red 81:2 is compatible with a wide range of materials including water-based and oil-based systems, making it versatile and ideal for use in various formulations and applications.
Pigment Red 81:2 is known for its ability to maintain its vibrant color over time, offering long-lasting color stability and resistance to fading in different environments.
Pigment Red 81:2 is produced through a controlled chemical process, ensuring consistency in color quality and performance, making it a preferred choice for high-quality colorant applications.
Pigment Red 81:2 is widely used for creating vivid, lasting red tones in a variety of products, from industrial coatings to luxury packaging, enhancing the visual appeal and longevity of the items it colors.
PROPERTIES
Chemical Formula: C28H30ClN2O3Na
Molecular Weight: 501.99 g/mol
Common Name: Pigment Red 81:2
Appearance: Brilliant bluish-red fine powder
Odor: Odorless
Solubility: Insoluble in water and most organic solvents
Oil Absorption: High
Lightfastness: Moderate (3–4 on Blue Wool Scale, depending on application)
Heat Resistance: Up to 160°C (depends on medium)
Chemical Resistance: Moderate; avoid strong acids and alkalis
Storage Temperature: 10–30°C
Shelf Life: 12–24 months when stored properly
FIRST AID
Inhalation:
Move the affected person to fresh air.
Seek medical attention if symptoms persist.
Skin Contact:
Wash thoroughly with soap and water.
Seek medical advice if irritation develops.
Eye Contact:
Flush eyes immediately with plenty of clean water for at least 15 minutes.
Seek medical attention if irritation persists.
Ingestion:
Rinse mouth thoroughly.
If discomfort occurs, seek medical attention.
Note to Physicians:
Treat symptomatically.
No known specific antidote needed for standard exposure.
HANDLING AND STORAGE
Handling:
Use protective gloves, goggles, and a dust mask during handling to prevent inhalation of dust.
Maintain good ventilation in processing and application areas.
Spill and Leak Procedures:
Sweep up or vacuum carefully to minimize dust creation.
Dispose of collected material in accordance with local regulations.
Storage:
Store in a cool, dry, and ventilated area away from direct sunlight and moisture.
Keep containers tightly closed when not in use.
Handling Cautions:
Protect from contamination and humidity.
Use clean, dry tools and equipment to maintain pigment quality.
