Pigment Red 81:1 is a bright, bluish-red organic pigment from the rhodamine class, offering excellent color brilliance and high tinting strength.
Pigment Red 81:1 is widely used in printing inks, coatings, plastics, and textile applications where vivid, fluorescent-like red tones are required.
Pigment Red 81:1 provides strong visual impact but has moderate lightfastness, making it ideal for indoor and decorative uses.
CAS Number: 12224-98-5
EC Number: 235-455-9
Molecular Formula: C28H31ClN2O3
Molecular Weight: 478.01 g/mol
Synonyms: Pigment Red 81:1, PR 81:1, CI Pigment Red 81:1, C.I. 45160:1, Basic Red 1 Lake, Rhodamine Pigment, Rhodamine Red Lake B, Rhodamine B Lake, Brilliant Rhodamine Red, Organic Red Pigment 81:1, Bluish Red Pigment 81:1, Printing Ink Red PR81:1, Fluorescent Red Pigment
APPLICATIONS
Pigment Red 81:1 is widely used in printing inks for posters, packaging, greeting cards, and advertising materials where fluorescent brightness is desired.
Pigment Red 81:1 is applied in coatings for decorative items, toys, and low-exposure indoor surfaces to create vibrant effects.
Pigment Red 81:1 is incorporated into plastics such as PVC and polystyrene for bright, fluorescent-like coloration.
Pigment Red 81:1 is employed in stationery products like markers, highlighters, crayons, and colored pencils.
Pigment Red 81:1 is used in textile pigment printing for fashion apparel and accessories needing intense red shades.
Pigment Red 81:1 is also found in cosmetic products (where regulations permit) for non-skin-contact applications like nail polish.
Pigment Red 81:1 is used in the automotive industry as a high-performance coloring agent for car paints, providing a durable and vibrant red hue that resists fading.
Pigment Red 81:1 is employed in the production of industrial coatings, where it offers a stable, intense red color that is resistant to environmental factors like UV light and heat.
Pigment Red 81:1 is applied in the formulation of printing inks, where it provides a rich, bright red color that maintains consistency and brightness during printing processes.
Pigment Red 81:1 is used in the textile industry to color fabrics, offering a deep, durable red shade that lasts through washing and exposure to light.
Pigment Red 81:1 is employed in the production of plastic products, such as toys and packaging materials, where it provides a bright red color that does not fade over time.
Pigment Red 81:1 is used in the manufacture of cosmetics, such as lipsticks, blushes, and eyeshadows, where it provides a vibrant, non-toxic red color suitable for skin applications.
Pigment Red 81:1 is used in the production of colored waxes and candles, where it provides an intense red color while ensuring a smooth, even finish.
Pigment Red 81:1 is applied in the production of ceramics and glazes, where it imparts a rich, permanent red color to pottery and tiles.
Pigment Red 81:1 is used in the formulation of art supplies, such as colored pencils, crayons, and paints, where it offers a vivid red shade that performs well on various surfaces.
Pigment Red 81:1 is used in the preparation of food packaging materials, providing a bright and eye-catching red color for product labels and wrapping.
Pigment Red 81:1 is used in the manufacturing of rubber products, where it provides a stable red color that resists fading under UV light exposure.
Pigment Red 81:1 is employed in the formulation of food-safe colorants for cake decorations and other edible products, ensuring vibrant, non-toxic colors for culinary applications.
Pigment Red 81:1 is used in the production of automotive finishes, where it provides a high-opacity red color that enhances the appearance of vehicle exteriors.
Pigment Red 81:1 is used in the creation of premium paints and coatings, where it imparts a durable, long-lasting red color suitable for both industrial and decorative applications.
Pigment Red 81:1 is applied in the production of printing inks for packaging, where it delivers a vivid red color that stands out on product labels and packaging materials.
Pigment Red 81:1 is used in the formulation of colorants for construction materials, where it imparts a durable red hue to products like concrete, cement, and brick.
Pigment Red 81:1 is used in the production of firework colorants, providing a bright red coloration for pyrotechnic displays.
Pigment Red 81:1 is employed in the production of textile printing, where it provides a vivid, long-lasting red color for printed fabrics used in fashion and home décor.
Pigment Red 81:1 is used in the preparation of colorants for personal care products, where it helps provide a bright, appealing red shade for items like soaps, lotions, and shampoos.
Pigment Red 81:1 is used in the creation of decorative food items, such as candies, where it offers a safe, vibrant red color that enhances the visual appeal of the product.
Pigment Red 81:1 is applied in the production of colored glass, where it imparts a deep red hue to both artistic and functional glass products.
Pigment Red 81:1 is used in the formulation of artistic paints, where it provides a stable, bold red color ideal for professional artists and DIY projects.
Pigment Red 81:1 is employed in the creation of colored coatings for industrial equipment, where it provides a striking red finish that resists wear and corrosion.
Pigment Red 81:1 is used in the formulation of colored ink for stamps and markers, where it ensures a bright, clear red color that is easy to apply.
Pigment Red 81:1 is used in the preparation of oil-based paints, where it helps create a rich, deep red color that is suitable for both decorative and protective coatings.
Pigment Red 81:1 is used in the production of biodegradable packaging materials, where it provides a vivid red color that enhances the product's visual appeal without using synthetic dyes.
Pigment Red 81:1 is applied in the creation of gift wrap and decorative paper, where it adds a vibrant red hue to packaging materials for special occasions.
Pigment Red 81:1 is employed in the manufacture of high-end furniture finishes, where it provides a premium red color that resists fading over time.
Pigment Red 81:1 is used in the formulation of eco-friendly paints and coatings, where it contributes a rich, non-toxic red color for sustainable building projects.
Pigment Red 81:1 is employed in the production of custom-colored plastics, where it ensures consistent, stable red coloring for consumer goods and industrial products.
Pigment Red 81:1 is an organic red pigment known for its vivid, deep red hue and excellent color stability, commonly used in a wide range of industrial and consumer products.
Pigment Red 81:1 is produced through chemical synthesis and is highly valued for its bright, opaque red color, which is resistant to fading and environmental degradation.
Pigment Red 81:1 is widely used in the automotive, textile, and coatings industries due to its durability and ability to maintain color integrity under various conditions.
Pigment Red 81:1 is known for its high lightfastness, ensuring that products containing this pigment retain their bright red color even when exposed to sunlight for extended periods.
DESCRIPTION
Pigment Red 81:1 appears as a bright bluish-red powder with excellent color brilliance and gloss.
Pigment Red 81:1 is produced by laking the rhodamine dye onto an inert substrate, forming a stable, insoluble pigment.
Pigment Red 81:1 offers easy dispersibility in both aqueous and solvent-based systems, creating vivid, fluorescent effects.
Although its lightfastness is moderate, Pigment Red 81:1 remains a favorite for visual impact in short- to medium-term indoor applications.
Pigment Red 81:1 has excellent heat stability, making it suitable for use in high-temperature applications, such as automotive coatings and industrial paints.
Pigment Red 81:1 is compatible with both oil and water-based systems, offering versatility in a wide variety of formulations, from paints and inks to cosmetics and textiles.
Pigment Red 81:1 is a non-toxic pigment, making it safe for use in products that come into contact with skin or food, such as cosmetics, food packaging, and edible decorations.
Pigment Red 81:1 is stable under different environmental conditions, including moisture and chemicals, making it ideal for long-lasting applications in industrial coatings, packaging, and textiles.
Pigment Red 81:1 is available in various forms, including powders and dispersions, allowing for easy incorporation into a range of products, from paints to plastics.
Pigment Red 81:1 is produced in accordance with strict manufacturing standards, ensuring consistency in color quality and performance, making it a preferred choice for high-quality colorant applications.
PROPERTIES
Chemical Formula: C28H31ClN2O3
Molecular Weight: 478.01 g/mol
Common Name: Pigment Red 81:1
Appearance: Bright 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 (application-dependent)
Chemical Resistance: Moderate; avoid strong acids and alkalis
Storage Temperature: 10–30°C
Shelf Life: 12–24 months when properly stored
FIRST AID
Inhalation:
Move affected person to fresh air.
Seek medical advice if breathing difficulties arise.
Skin Contact:
Wash skin with plenty of soap and water.
Seek medical help if irritation develops.
Eye Contact:
Flush eyes with water for at least 15 minutes.
Seek medical attention if irritation persists.
Ingestion:
Rinse mouth thoroughly.
If symptoms occur after ingestion, consult a physician.
Note to Physicians:
Treat symptomatically.
No specific antidote needed under normal exposure conditions.
HANDLING AND STORAGE
Handling:
Use protective gloves, goggles, and a dust mask during handling.
Avoid creating airborne dust and ensure good ventilation in processing areas.
Spill and Leak Procedures:
Sweep up or vacuum pigment carefully to avoid dispersal of dust.
Dispose of according to local environmental regulations.
Storage:
Store in a cool, dry, and ventilated area away from direct sunlight and humidity.
Keep containers tightly closed when not in use.
Handling Cautions:
Protect pigment from moisture contamination.
Use clean, dry handling equipment to maintain pigment quality.