Production
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Rutile Titanium Dioxide
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Acid Red 52
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Solvent Black 29
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Phthalocyanine blue 15-3
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zeolite 4A
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Optical Brightener KCB
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Pigment yellow 13
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Ultramarine blue
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Solvent Yellow 163
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Acid Yellow 23 Detergent dye
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Optical Brightener OB
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Solvent Green 3
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Acid Yellow 36
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Pigment yellow 83
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CARBOXYMETHYL CELLULOSE
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Optical Brightener CBS-X
Pigment red 57-1
Product Name: Pigment Red 57:1 (P.R. 57:1)
Chemical Name: Calcium 3-hydroxy-4-[(E)-(4-methyl-2-sulfophenyl)diazenyl]naphthalene-2-carboxylate
Color Index: C.I. 15850:1
CAS: 5281-04-9 (High-Purity Industrial Grade) – Optimized with advanced diazotization, coupling and precision calcium salinization technology, featuring a unique bright blue-tinged red (carmine) hue, ultra-high tinting strength, and good flowability, tailored for printing inks, plastic coloring, industrial paints, and stationery, compliant with global industrial pigment safety standards and applicable as Food Red No.7.
Molecular formula: C18H12N2Na2O6S
Formula Weight: 424.44 g/mol – Unique azo-based calcium salt lake structure differentiates it from Pigment Red 53:1 (calcium salt variant) and 48 series (strontium/barium salt); it features a distinctive blue-tinged red hue (instead of 53:1’s yellowish red), higher tinting strength, and better flowability in ink formulations, making it a preferred choice for high-end printing inks and food contact-related coloring.
Synonyms: Pigment Red 57:1; P.R. 57:1; Lithol Rubin BCA; Brilliant Carmine 6B; Lithol Rubine A6B; Blue-Tinged Red Pigment; High-Tinting-Strength Red Pigment; Food-Grade Red Pigment
Application:
High-end solvent-based printing inks (packaging, labels, four-color printing), plastic coloring (soft PVC, LDPE), industrial paints, stationery (color pencils, crayons), and daily chemical products, applicable to food contact materials as Food Red No.7.
Description
marker
1.Product Description
Pigment Red 57:1 (P.R. 57:1) is a high-performance azo-based calcium salt lake organic pigment, specialized in delivering bright blue-tinged red (carmine) coloration for industrial applications with ultra-high tinting strength and good flowability—distinguishing itself from Pigment Red 53:1 (yellowish red calcium salt) and 48 series (strontium/barium salt) with its unique hue and superior coloring efficiency. Unlike ordinary red pigments that have low tinting strength or poor flowability in ink formulations, our P.R. 57:1 features a precision diazotization-coupling and calcium salinization process, delivering three core advantages: a bright blue-tinged red hue, ultra-high tinting strength, and excellent flowability—solving manufacturers’ pain points of high raw material costs, poor ink flow, and lack of color differentiation.
Crafted with advanced low-temperature diazotization, coupling technology and high-purity calcium salinization purification process, Pigment Red 57:1 boasts a uniform rod-shaped particle structure (0.04–0.3 μm), a pH value of 6.0-9.0 (10% slurry), and optimized dispersion and flow performance, ensuring seamless integration into solvent-based inks, plastic melts, and industrial paint formulations. Its distinct blue-tinged red hue is unique compared to 53:1’s yellowish red and 48 series’ warm red, offering strong visual impact and product differentiation, and it is compliant with food contact standards as Food Red No.7. Additionally, it is 100% compliant with REACH, RoHS, EINECS 226-109-5, non-toxic, heavy metal-free, and suitable for diverse high-end industrial applications, including four-color printing inks and food contact plastic products.
Engineered for long-term reliability, Pigment Red 57:1 boasts Grade 4-5 light fastness and thermal stability up to 200℃ (short-term processing), retaining its bright blue-tinged red hue even after moderate outdoor exposure and high-temperature processing. It has good solvent resistance (resistant to esters, xylene, ketones, and common organic solvents) and good migration resistance in soft PVC, effectively preventing color bleeding. With ultra-high tinting strength (lower loading than 53:1 and 48 series), excellent flowability in inks, and food contact compliance, it is a cost-effective and versatile solution for ink, plastic, and paint industries, delivering consistent, high-performance blue-tinged red results.
2.Product Specifications
| Product name | Pigment Red 57:1 (P.R. 57:1) |
| Appearance | Fine, free-flowing bright blue-tinged red (carmine) powder, rod-shaped particles, no agglomeration, good flowability and dispersion. |
| CAS No. | 5281-04-9 |
| ENIECS | 226-109-5 |
| Solubility | Insoluble in ethanol; insoluble in water, soluble in hot water as yellowish red; excellent dispersion in solvent-based formulations. |
| Style | Organic Pigment |
| Tinting Strength | 100%±5 |
| Purity | ≥99% |
| Packing | 25kg/drum/bag/paper box |
| Melting Point | 360℃ |
| Application | Printing inks, plastics (soft PVC, LDPE), industrial paints, stationery, daily chemicals, food contact materials. |
3.Product Application
Pigment Red 57:1 is a high-performance organic pigment, tailored to meet the specific needs of printing ink, plastic, paint, and stationery industries with its bright blue-tinged red hue, ultra-high tinting strength, and good flowability. Below is its detailed application by industry, each section focused on client benefits and practical use cases, with each paragraph not exceeding 500 words:
3.1 Printing Inks (Core Application)
Pigment Red 57:1 is the preferred choice for solvent-based printing inks, widely used in high-end packaging printing, labels, four-color printing, and daily chemical product packaging. Its excellent flowability ensures smooth ink flow, eliminating sedimentation even in high-speed printing, and it can be well combined with nitrocellulose, acrylic, and polyurethane resin systems. Compared to 53:1 and 48 series pigments, it offers a unique blue-tinged red hue that meets the magenta requirement of four-color printing, delivering sharp, vivid prints with good gloss. Its ultra-high tinting strength reduces loading to 0.8% to achieve standard color depth, significantly cutting raw material costs. With good solvent resistance and color stability, it is a reliable choice for high-end printing applications, especially four-color printing that requires precise color matching.
3.2 Plastic Coloring
Suitable for plastic coloring, especially soft PVC and LDPE plastics, Pigment Red 57:1 features good compatibility with plastic melt formulations, ensuring uniform dispersion during injection molding and extrusion, eliminating streaking or color unevenness. Its bright blue-tinged red hue adds unique visual appeal to plastic products, making it ideal for soft PVC products, LDPE films, and plastic stationery. As Food Red No.7, it is compliant with food contact standards, suitable for food packaging plastics. With ultra-high tinting strength, it reduces raw material costs, and its good migration resistance in soft PVC avoids color bleeding, ensuring consistent color retention even in long-term use. Its thermal stability (stable below 200℃) meets the processing requirements of most plastic products.
3.3 Industrial Paints
Applicable to industrial paints, including decorative coatings, metal protective paints, and wood paints, Pigment Red 57:1 features good compatibility with solvent-based paint formulations. Its excellent dispersion ensures uniform color and good coverage, while its bright blue-tinged red hue delivers an eye-catching finish, enhancing the aesthetic appeal of painted products. Its Grade 4-5 light fastness and good solvent resistance prevent color fading and peeling, ensuring long-term durability of the paint film. Non-toxic and eco-friendly, it complies with global paint safety standards, making it suitable for interior and exterior decorative paints, as well as daily chemical product coatings
3.4 Stationery & Daily Chemicals
Pigment Red 57:1 is suitable for stationery coloring (color pencils, crayons, markers) and daily chemical products (cosmetics, soaps). In stationery, it features good color fastness, resisting fading and smudging, and its ultra-high tinting strength ensures vivid coloration with small loading, reducing production costs. Its bright blue-tinged red hue is popular among consumers, enhancing product market competitiveness. In daily chemicals, it is non-toxic and compliant with safety standards, suitable for coloring cosmetics and soaps. Additionally, it can be blended with other pigments to create custom red shades, expanding its application scope. Its versatility and cost-effectiveness make it a preferred choice for stationery and daily chemical manufacturers.
4.Our advantage:
1) Provide free samples for testing or comparing the effect difference and cost performance.
2) Fast response speed, customers' questions at any time will be responded to in two hours.
3) Fast delivery: the fastest delivery can be made on the same day.
4)Different packaging solutions: provide various packaging options according to customer requirements.
5)Technical guidance: provide improved whitening and coloring formulas and guidance according to customer production materials.
6) Sample retention or sample mailing before bulk delivery.
7) Providing certifications, such as Reach certification.
8) Different payment methods: TT LC, etc.
9) Providing door-to-door DDP service.
5.Packing information:
Usually is 25Kg/cardboard drum or paper box or bag with inner double PE liner Or provide customized packaging according to customer requirements.
Contact Us
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