Product Name: Phthalocyanine Green 7 (P.G. 7) Chemical Name: Copper polychlorophthalocyanine Color Index: C.I. 74260 CAS: 1328-53-6 (High-Purity Industrial Grade) – Innovatively optimized with advanced chlorination and crystal modification technology, featuring a unique bright emerald green hue with subtle blue undertones, exceptional color saturation, and superior solvent dispersion, tailored for high-end printing inks, automotive coatings, and engineering plastics. Molecular formula: C32Cl16CuN8 Formula Weight: 1127.19 g/mol – Unique hexadecachlorinated copper phthalocyanine structure enhances color intensity, chemical resistance, and lightfastness, outperforming conventional green pigments (e.g., P.G. 36) in color vividness and dispersion stability, leveraging high chlorination degree to achieve the iconic emerald green tone. Synonyms: Phthalocyanine Green 7; P.G. 7; Copper Phthalocyanine Green 7; Hexadecachlorophthalocyanine Copper; Emerald Green Pigment; High-Saturation Green Pigment; Solvent-Stable Green Pigment Application:  High-end solvent-based/aqueous printing inks, automotive OEM coatings, engineering plastics, industrial paints, textile printing, and decorative colorants, compatible with solvent-based, plastic melt, and partial aqueous formulation systems.

Product Name: Phthalocyanine Blue 15:4 (P.B. 15:4) Chemical Name: [29H,31H-phthalocyaninato(2-)-N29,N30,N31,N32]-copper Color Index: C.I. 74160 CAS: 147-14-8 (High-Purity Industrial Grade) – Innovatively modified with sulfonation optimization technology, ensuring superior water solubility, vivid blue hue, and exceptional dispersion performance for aqueous-based applications. Molecular formula: C32H16CuN8 Formula Weight: 576.07 g/mol – Unique sulfonated phthalocyanine molecular structure enhances water solubility and color stability, outperforming conventional phthalocyanine blue pigments in aqueous formulations. Synonyms: Phthalocyanine Blue 15:4; P.B. 15:4; Copper Phthalocyanine Blue 15:4; Water-Soluble Phthalocyanine Blue; Tetrasulfonated Copper Phthalocyanine; High-Dispersion Blue Pigment Application: High-end aqueous printing inks, water-based coatings, textile dyes, paper coloring, cosmetics, and water-based plastic formulations, compatible with all aqueous systems and partial solvent-aqueous hybrid formulations.

Product Name: Phthalocyanine Blue 15:3 (P.B. 15:3) Chemical Name:  [29H, 31H-phthalocyaninato(2-)-N29, N30, N31, N32]-(SP-4-1)-copper Color Index: C.I. 74160 CAS: 147-14-8 (High-Purity Industrial Grade) – Innovatively optimized with alpha-crystal modification technology, featuring a unique bright blue hue with subtle red undertones, exceptional transparency, and superior solvent dispersion, tailored for high-end solvent-based and plastic applications. Molecular formula: C32H16CuN8 Formula Weight: 579.25 g/mol – Unique alpha-crystal copper phthalocyanine structure enhances color saturation, transparency, and solvent compatibility, outperforming conventional phthalocyanine blue pigments in high-end formulations. Synonyms: Phthalocyanine Blue 15:3; P.B. 15:3; Copper Phthalocyanine Blue 15:3; Alpha-Crystal Phthalocyanine Blue; Transparent Blue Pigment; High-Solvent-Dispersion Blue Pigment Application: High-end solvent-based printing inks, automotive coatings, engineering plastics, decorative colorants, and plastic packaging, compatible with solvent-based, plastic melt, and partial aqueous-solvent hybrid formulations.

Product Name: Phthalocyanine Blue 15:1 (P.B. 15:1) Chemical Name:  [29H, 31H-phthalocyaninato(2-)-N29, N30, N31, NN32]-,(SP-4-1-)-Copper Color Index: C.I. 74160 CAS: 12239-87-1/147-14-8 (High-Purity Industrial Grade) – Innovatively optimized with beta-crystal modification technology, featuring a unique deep blue hue with subtle green undertones, exceptional opacity, and superior heat resistance, tailored for high-end solvent-based, plastic, and coating applications. Molecular formula: C32H16CuN8 Formula Weight: 576.07 g/mol – Unique beta-crystal copper phthalocyanine structure enhances color depth, opacity, and thermal stability, outperforming alpha-crystal variants (e.g., P.B. 15:3) in high-temperature and opaque formulation scenarios. Synonyms: Phthalocyanine Blue 15:1; P.B. 15:1; Copper Phthalocyanine Blue 15:1; Beta-Crystal Phthalocyanine Blue; Opaque Blue Pigment; High-Heat-Resistant Blue Pigment; Solvent-Stable Phthalocyanine Blue Application: High-end solvent-based printing inks, automotive coatings, engineering plastics, industrial paints, plastic packaging, and decorative colorants, compatible with solvent-based, plastic melt, and high-temperature formulation systems.

Product Name: Acid Red 249 / Weak Acid Brilliant Red B Color Index: C.I. 18134 CAS: 6416-66-6 Molecular Formula: C₂₉H₂₀ClN₃Na₂O₁₀S₃ Formula Weight: 748.11 g/mol Synonyms: Prass Red B; Prass Brilliant Red B; Weakly Acid Brilliant Red A-B; Acid Brilliant Red P-5B; Acid Brilliant Red 2B; Weakly Acid Brilliant Red B；Tracid Brilliant Red B; Weak Acid Brilliant Red B; Acid Brilliant Red B; Milling Brilliant Red 2B; Polar Brilliant Red B; Sandolan Brilliant Red N-BG; Supranol Brilliant Red BB; Suminol Milling Brilliant Red B; C.I. Acid Red 249; C.I. 18134 Application: Textiles (Wool, Silk, Nylon, Polyamide), Leather Finishing, Paper Dyeing, Printing Inks, Lake Pigments, Stationery Products, Household Cleaners, Detergents

Product Name: Acid Yellow 36 / Metanil Yellow Chemical Name: Sodium 3-[(4-anilinophenyl)diazenyl]benzenesulfonate Color Index: C.I. 13065 CAS: 587-98-4 Molecular Formula:C18H14N3NaO3S Formula Weight: 375.38 g/mol Synonyms: Metanil Yellow; C.I. Acid Yellow 36; Acid Leather Yellow R; Metanile Yellow O; 3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt; Yellow No. 406; Amacid Yellow M； Acid Yellow 36, Soap Yellow, Golden Orange Yellow G, Meta-amine Yellow, Meta-aniline Yellow, Acid Soap Yellow, Acid Golden Yellow 2G, Acridine Yellow Application: Textiles (Wool, Silk, Nylon, Leather), Paper Dyeing, pH Indicators, Biological Staining (Histology), Research Applications, Industrial Colorants

Product Name: Acid Red 172 / Weak Acid Brilliant Red 3B Color Index: Acid Red 172 (C.I. 172) CAS: 6826-53-5 Molecular Formula: C₃₀H₂₂ClN₃Na₂O₁₀S₃ Formula Weight: 762.13 g/mol Synonyms: Weak Acid Brilliant Red 3B; C.I. Acid Red 172; Monoazo Acid Dye; Brilliant Red 3B; Weak Acid Red 172 Application: Textiles (Nylon, Wool, Silk), Paints & Coatings, Printing Inks, Leather Finishing, Plastics

Product Name: Acid Red 52 / Sulforhodamine B Color Index: C.I. 45100 CAS: 3520-42-1 Molecular Formula:C27H29N2NaO7S2 Formula Weight: 580.65 g/mol Synonyms: Sulforhodamine B; Xylene Red B; Acid Rhodamine B; Lissamine Rhodamine; C.I. Acid Red 52; Brilliant Acid Rhodamine B; Food Red 106; Sanolin Rhodamine B; Water Red 27，Acid Red 3B; Acid Rose B; Acid Rose E-XB; Acid Peach B; Application: Textiles (Wool, Silk, Nylon), Cosmetics & Personal Care, Biological Staining & Research, Inkjet Inks, Stationery Products, Detergents & Cleaners, Fluorescent Pigments

Product Name: Acid Orange 33 / Weak Acid Orange GS Color Index: C.I. 24780 / Acid Orange 33 CAS: 6507-77-3 Molecular Formula: C₃₄H₂₈N₄Na₂O₈S₂ Formula Weight: 730.72 g/mol Synonyms: Weak Acid Orange GS; Weak Acid Brilliant Orange 2R; Tracid Orange GS; Coomassie Orange G; C.I. Acid Orange 33; Acidic Brilliant Orange P-2R Application: Textiles (Nylon, Wool, Silk), Leather Finishing, Paper Dyeing, Printing Inks, Biological Staining, Environmental Research, Analytical Chemistry

Product Name: Acid Red 18 Chemical Name: Trisodium 2-hydroxy-1-(4-sulfonato-1-naphthylazo)-6,8-naphthalenedisulfonate Color Index: C.I. 16255 CAS: 2611-82-7 Molecular Formula: C₂₀H₁₁N₂Na₃O₁₀S₃ Formula Weight: 604.47 g/mol Synonyms: New Coccine; Ponceau 4R; Cochineal Red A; Brilliant Ponceau 5R; Food Red 102; 1-(4-Sulfo-1-naphthylazo)-2-hydroxy-6,8-naphthalenedisulfonic acid trisodium salt Application: Textiles (Wool, Silk, Nylon), Cosmetics (Hair Dyes, Shampoos), Biological Staining, Food & Beverages, Inks, Leather Finishing, Detergents & Soaps

Product Name: Acid Orange 7 / Acid Orange II Chemical Name: Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzenesulfonate Color Index: Acid Orange 7 (C.I. 15510) CAS: 633-96-5 Molecular formula: C16H11N2NaO4S Formula Weight: 350.32 g/mol Synonyms: Acid Orange II; Betanaphthol Orange; Tropaeolin OO2; C.I. 15510; 2-Naphthol Orange Application: Acid Orange 7 is widely used in wool, Silk, Nylon (Polyamide), Leather, Paper, Printing Inks, and specific Aluminum Surface Coloring (Anodizing).

Acid Yellow 23, also widely known as Tartrazine or FD&C Yellow No. 5, is a synthetic lemon-yellow azo dye. It is the trisodium salt of 3-carboxy-5-hydroxy-1-p-sulfophenyl-4-p-sulfophenylazopyrazole . Renowned for its bright, greenish-yellow to orange-yellow shade and excellent water solubility, it is one of the most commonly used colorants globally. Its high stability and compatibility make it a staple ingredient in a vast array of applications, from food and pharmaceuticals to cosmetics and industrial products . Common Names: Tartrazine, FD&C Yellow No. 5, C.I. 19140, Food Yellow 4 . CAS No: 1934-21-0 EINECS No: 217-699-5 Molecular Formula: C₁₆H₉N₄Na₃O₉S₂ Molecular Weight: 534.36 C.I. Number: 19140 Chemical Class: Monoazo Dye