Production
-
Solvent Yellow 163
-
Solvent Blue 45
-
Pigment yellow 83
-
PET Optical Brightener OB-1 masterbatch
-
Phthalocyanine blue 15-1
-
Optical Brightener ER-I
-
Optical Brightener ER-II
-
Pigment red 112
-
Rutile Titanium Dioxide
-
Optical Brightener CXT
-
Solvent Red 23
-
PET Color Masterbatch
-
Optical Brightener BA
-
Optical Brightener DMA-X
-
zeolite 4A
-
Optical Brightener ER-III
Solvent blue 35
Product Name: Solvent Blue 35 / Sudan Blue II / Oil Blue 35
Chemical Name: 1,4-Bis(butylamino)anthracene-9,10-dione
Color Index: C.I. 61554
CAS: 17354-14-2
Molecular Formula: C22H26N2O2
Formula Weight: 350.45 – 350.46 g/mol
Synonyms: Sudan Blue II; Oil Blue 35; C.I. 61554; 1,4-Bis(butylamino)anthraquinone; 1,4-Bis(butylamino)-9,10-anthracenedione; Solvent Blue 35; Sudan Blue 670; Transparent Blue 2N
Application:
Plastics (PS, PVC, PMMA, ABS), Hydrocarbon Fuels & Oils (Diesel, Gasoline, Lubricants), Waxes & Candles, Printing Inks, Polymer Masterbatch, Histology & Pathology (Lipid Staining), Environmental Monitoring (Oil Spill Detection), Biochemical Research
Description
marker
1.Product Description
Achieve Brilliant, Oil-Soluble Blue Coloration with Solvent Blue 35 – The Premium Anthraquinone Dye for Hydrocarbons, Plastics, and Biological Staining.
Solvent Blue 35, internationally designated as C.I. 61554 and widely known as Sudan Blue II or Oil Blue 35, is a high-performance anthraquinone-based solvent dye renowned for its brilliant blue hue, exceptional oil solubility, and outstanding stability in non-polar systems . This sophisticated dye features a unique 1,4-bis(butylamino)anthraquinone molecular structure that delivers superior solubility in hydrocarbon-based solvents and excellent compatibility with hydrophobic polymer matrices.
What distinguishes Solvent Blue 35 from conventional solvent dyes is its exceptional combination of oil solubility, lightfastness, and versatility. With a melting point of 120-125°C and excellent stability during melt processing, this dye maintains its vibrant color through demanding injection molding and extrusion operations . Its Log P value of approximately 6.1 indicates high hydrophobicity, making it ideal for applications requiring non-polar solubility .
Key differentiators:
Anthraquinone Chemistry: Provides superior thermal stability and lightfastness compared to azo-based alternatives .
Exceptional Oil Solubility: Highly soluble in toluene (86.3 g/L), dichloromethane (171.3 g/L), and butyl acetate (22.3 g/L); insoluble in water .
Brilliant Blue Shade: Delivers a clean, transparent blue hue with excellent color strength and clarity.
Histology Grade Available: High-purity grades (≥98%) suitable for lipid staining in tissue samples .
Broad Application Range: Suitable for plastics, fuels, oils, waxes, printing inks, and biological research .
2. Product Specifications (Technical Data Sheet)
| Property | Specification | Insight |
| Product Name | Solvent Blue 35 (C.I. 61554) | Premium anthraquinone dye for non-polar applications |
| Appearance | Dark blue to dark violet to blue-black uniform powder | Free-flowing, fine powder |
| CAS No. | 17354-14-2 | Verified chemical registry number |
| EINECS/EC No. | 241-379-4 | Listed in European inventory |
| Molecular Formula | C₂₂H₂₆N₂O₂ | Anthraquinone derivative with butylamino groups |
| Formula Weight | 350.45 - 350.46 g/mol | Precise molecular mass |
| Solubility (Water) | Insoluble (≤0.1 mg/mL) | Extremely low water solubility, non-bleeding |
| Solubility (Toluene) | 86.3 g/L at 20°C | Excellent solubility in aromatic solvents |
| Solubility (Dichloromethane) | 171.3 g/L at 20°C | Outstanding solubility in chlorinated solvents |
| Solubility (Acetone) | 13.6 g/L at 20°C | Moderate solubility in ketones |
| Solubility (Ethanol) | 2.6 g/L at 20°C | Limited alcohol solubility |
| Solubility (DMSO) | ~41.67 mg/mL (~118.90 mM) | Good solubility in DMSO |
| Ionic Style | Non-ionic / Solvent Dye | Compatible with non-polar systems |
| Color Shade | Blue | Transparent, brilliant blue with high clarity |
| Tinting Strength | High | Strong coloration with minimal dosage |
| Purity (Industrial Grade) | ≥ 90% | Suitable for industrial applications |
| Purity (Histology Grade) | ≥ 98% (Dye content) | High purity for research applications |
| Melting Point | 120-125°C (range: 120-122°C to 134°C) | Good thermal stability for processing |
| Boiling Point (Predicted) | 568.7 ± 50.0°C | High thermal stability |
| Density | 1.179 - 1.23 g/cm³ | Good handling characteristics |
| Log P | 6.1 at 23°C and pH 7 | High hydrophobicity, excellent non-polar solubility |
| Flash Point | 187.2 ± 30.3°C | Safe processing parameters |
| Storage Conditions | Store at room temperature in cool, dry, well-ventilated area; protect from light; keep container tightly closed | Shelf life: 2-3 years under proper storage |
| Packing | 25 kg fiber drums / cardboard cartons with PE inner liner; 50 g, 100 g, 1 kg research packs; custom sizes available | Secure, moisture-proof packaging |
| Application | Plastics, fuels, oils, waxes, printing inks, histology, environmental monitoring | Versatile across multiple industries |
3.Product Application
Plastics & Thermoplastics – Primary Industrial Application:
Solvent Blue 35 is widely used for coloring various plastic materials, delivering excellent transparency and heat stability :
| Polymer Substrate | Recommended Dosage | Processing Conditions | Performance Notes |
| Polystyrene (PS) | 0.01-0.05% | Up to 250°C | Excellent transparency and heat stability |
| Rigid PVC (RPVC) | 0.01-0.05% | Up to 200°C | Good compatibility with plasticizers |
| PMMA (Acrylic) | 0.01-0.05% | Up to 230°C | Suitable for transparent applications |
| ABS | 0.01-0.05% | Up to 250°C | Good color development |
| Polymer Masterbatch | 0.5-5% (in concentrate) | — | Used as pigment concentrate for let-down |
Hydrocarbon Fuels & Oils:
Solvent Blue 35 is the preferred colorant for hydrocarbon-based products due to its exceptional oil solubility :
Diesel & Gasoline: Provides blue coloration for brand identification and quality control
Lubricants & Greases: Colors industrial oils and automotive lubricants
Fuel Marking: Used as a tracer dye for tax compliance and leak detection
Hydrocarbon Solvents: Colors industrial solvents for identification
Waxes & Candles:
The dye's excellent solubility in non-polar matrices makes it ideal for wax applications:
Candles: Provides uniform, vibrant blue coloration throughout the wax matrix.
Paraffin Waxes: Colors industrial and decorative wax products.
Shoe & Floor Polishes: Imparts aesthetic blue coloration.
Printing Inks & Stationery:
Solvent Blue 35 is suitable for specialty ink applications:
Printing Inks: Used in solvent-based ink systems for packaging.
Ballpoint Pens: Provides smooth, consistent blue ink flow.
Stamp Pads: Colors stamping inks for office and industrial use.
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 certificationes, 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
Popular Related Products
Optical Brightener CXT
Product Name: Optical Brightener CXT / Fluorescent Brightener 71 Chemical Name: Disodium 4,4′-bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2′-disulfonate Color Index: C.I. 71 CAS: 16090-02-1 Molecular Formula: C₄₀H₃₈N₁₂Na₂O₈S₂ Formula Weight: 924.93 g/mol Synonyms: Fluorescent Brightener 71; FBA 71; Optical Brightening Agent CXT; C.I. 71; Tinopal CXT; Whitening Agent CXT; Stilbene-based Fluorescent Brightener Application: Laundry Detergents (Powders, Concentrates), Soaps & Soap Bars, Textile Processing (Cotton, Nylon, Polyamide, Vinylon, Wool), Paper Manufacturing, Bleaching & Dyeing Auxiliaries
Pigment yellow 14
Product Name: Pigment Yellow 14 (P.Y. 14) Chemical Name: 2,2′-[(3,3′-dichlorobiphenyl-4,4′-diyl)di(E)diazene-2,1-diyl]bis[N-(2-methylphenyl)-3-oxobutanamide] Color Index: C.I. 21095 CAS: 5468-75-7 (High-Purity Industrial Grade) – Innovatively optimized with advanced azo coupling technology, ensuring ultra-consistent color performance and minimal impurities for high-end applications. Molecular formula: C34H30Cl2N6O4 Formula Weight: 657.5458 g/mol – Unique molecular structure enhances thermal stability and color saturation, outperforming conventional diarylide yellow pigments. Synonyms: Pigment Yellow 14; P.Y. 14; Diarylide Yellow 14; C.I. 21095; Permanent Yellow 14; Red-Shaded Yellow Pigment; High-Dispersion Organic Pigment; Eco-Friendly Yellow Pigment Application: High-end printing inks, automotive coatings, engineering plastics, food-contact packaging, textile printing, and decorative colorants (universally compatible with solvent-based, aqueous, and plastic melt formulations).
Solvent Violet 13
Product Name: Solvent Violet 13 / C.I. 60725 Chemical Name: 1-Hydroxy-4-(p-toluidino)anthraquinone / 1-Hydroxy-4-[(4-methylphenyl)amino]anthracene-9,10-dione Color Index: C.I. 60725 CAS: 81-48-1 Molecular Formula: C₂₁H₁₅NO₃ Formula Weight: 329.35 g/mol Synonyms: Solvent Violet 13; C.I. 60725; D&C Violet No. 2; Alizurol Purple; Quinizarin Blue; Oil Violet IRS; Macrolex Violet B; Disperse Blue 72; Solvent Blue 90; Plast Violet 4001; 1-Hydroxy-4-(p-toluidino)anthraquinone; Violet B Application: Engineering Plastics (PS, ABS, PC, PMMA, PET, PVC), Polyester Fibers (Dope Dyeing), Cosmetics (Nail Polish, Hair Dyes, Lipsticks), Paints & Coatings, Printing Inks, Solvents & Fuels, Pyrotechnics (Violet Smoke)
zeolite 4A
Product Name:Zeolite 4A C.I.: 215-479-3 CAS: 1318-02-1/1327-44-2 Ionic type—- Appearance: White or light green powder Ingredient: aluminosilicate Molucular Formula:Na12Al12Si12O48·27H2O or Na12[(AlO2)12(SiO2)12]·27H2O Formula Weight: 218.25 Synonyms: Zeolite 4A, zeolite 4a powder, Molecular sieves 4A, Molecular 4A Application: Used in cleaning products, laundry detergents, washing agents and water treatment additives, fertilizers, etc..
Phthalocyanine blue 15-3
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.
Optical Brightener BA
Product Name: Optical Brightener BA / Fluorescent Brightener 113 Chemical Name: Disodium Fluorescent Brightener 113 / Stilbene Sulfonic Acid Derivative Color Index: C.I. 113 CAS: 12768-92-2 Molecular Formula: C₄₀H₄₂N₁₂Na₂O₁₀S₂ Formula Weight: 960.94 g/mol Synonyms: Fluorescent Brightener 113; FBA 113; Optical Brightening Agent BA; C.I. 113; Disodium Fluorescent Brightener 113; Blankophor BA; Stilbene-based Optical Brightener Application: Paper Manufacturing (Pulp Whitening, Surface Sizing, Coating), Textiles (Cotton, Linen, Cellulose Fibers, Nylon), Laundry Detergents, Soaps
Pigment red 122
Product Name: Pigment Red 122 (P.R. 122) Chemical Name: 2,9-Dimethylquinacridone Color Index: C.I. 73915 CAS: 980-26-7/16043-40-6(High-Purity Industrial Grade) – Innovatively upgraded with precision quinacridone synthesis technology, presenting a vivid magenta-red hue that aligns with global high-end color trends, featuring ultra-high light fastness (Grade 8) and superior heat stability, outperforming traditional azo red pigments in durability and color saturation for premium industrial applications. Molecular formula: C22H16N2O2 Formula Weight: 340.37 g/mol – Unique quinacridone core structure, distinct from monoazo (P.R. 112) and lake-type (P.R. 57:1, P.R. 48 series) red pigments, enhancing color saturation, weather resistance, and multi-system compatibility, providing high-value, long-lasting coloring solutions for high-end product manufacturers. Synonyms: Pigment Red 122; P.R. 122; Quinacridone Red; Magenta Red Pigment; High-End Red Pigment; Vibrant Red Pigment; Permanent Red Pigment; High-Purity Quinacridone Pigment; Colorfast Magenta Pigment Application: Widely applied in high-end solvent-based/water-based printing inks, automotive coatings, engineering plastics coloring, textile printing, and premium stationery, suitable for products requiring vivid color, ultra-high fastness, and a premium aesthetic, compatible with both solvent-based and water-based formulations.
Pigment yellow 74
Product Name: Pigment Yellow 74 (P.Y. 74) Chemical Name: 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutanamide Color Index: C.I. 11741 CAS: 6358-31-2 (High-Purity Industrial Grade) – Innovatively optimized with precision monoazo synthesis technology, presenting a warm, bright golden yellow hue with subtle orange undertones, featuring excellent light fastness (Grade 6) and good chemical stability, outperforming traditional low-grade yellow pigments in color uniformity, dispersion, and adaptability for multi-industry applications. Molecular formula: C18H18N4O6 Formula Weight: 386.36 g/mol – Unique monoazo organic structure, distinct from disazo (P.Y. 12) and quinacridone (P.V. 23, P.R. 122) pigments, balancing bright color, processing adaptability, and cost-efficiency, providing reliable, versatile yellow coloring solutions for industrial and commercial manufacturers. Synonyms: Pigment Yellow 74; P.Y. 74; Monoazo Yellow Pigment; Golden Yellow Pigment; Fast Yellow 74; Permanent Yellow 74; High-Purity Yellow Pigment; Industrial Golden Yellow Pigment Application: Widely applied in water-based/solvent-based printing inks, industrial coatings, plastic coloring (PVC, PP, PE), textile printing, stationery, and wood coatings, suitable for products requiring warm golden yellow color, good fastness, and wide formulation compatibility, adaptable to both water and solvent systems.
Anatase Titanium Dioxide
Product Name: anatase Titanium Dioxide C.I.: 257-372-4 CAS: 13463-67-7 purity:≥98% Appearance:White powder Molucular Formula:TIO2 Formula Weight: 79.8658 Synonyms:anatase TIO2 / anatase Titanium Dioxide Application: Anatase titanium dioxide is widely used as colorant and filler for paper, rubber,printing ink, coating, and plastic products.
Solvent Red 207
Solvent Red 207 is a blue-red transparent solvent dye. It has excellent heat and light resistance, good migration resistance and high tinting strength, and is widely used. Solvent Red 207 is used for coloring plastics such as PS, ABS, PMMA, PC, PET, polymers, and fibers. It can be used for polyester fibers,used in coatings paint inks, and artistic colors. Product Name: Solvent Red 207 Chemical Name: Solvent Red M-6B;1,5-Bis[(3-methylphenyl)amino]-9,10-anthraquinone CAS:1047-16-1/71819-77-7 Molucular Formula:C28H22N2O2 Formula Weight: 418.49 Synonyms:RedM6B;C.I.617001;OILREDCHA;solventred207;Einecs233-313-8;TransparentRedCHA;C.I.SolventRed207;SolventRed2Chemicalbook07ISO9001：2015REACH;1,5-Bis(m-tolylamino)anthracene-9,10-dione;1,5-bis[(3-methylphenyl)amino]anthraquinone Application: Solvent Red 207 is widely used. Solvent Red 207 is used for coloring plastics such as PS, ABS, PMMA, PC, PET, polymers, and fibers. It can be used for polyester fibers,used in coatings paint inks, and artistic colors.
Optical Brightener ER-I
Product Name: Optical Brightener ER-I / Fluorescent Brightener 199 Chemical Name: 4,4′-(1,4-Phenylenebis(ethene-2,1-diyl))dibenzonitrile / 1,4-Bis(4-cyanostyryl)benzene Color Index: C.I. 199 CAS: 13001-39-3 Molecular Formula: C₂₄H₁₆N₂ Formula Weight: 332.40 g/mol Synonyms: Fluorescent Brightener 199; FBA 199; Optical Brightening Agent ER-I; 1,4-Bis(4-cyanostyryl)benzene; 4,4′-(1,4-Phenylenediethene-2,1-diyl)dibenzonitrile; Blankophor ER; C.I. 199 Application: Polyester Fibers (PET), Polyamide Fibers (Nylon), Acetate Fibers, Textile Blends (Polyester-Cotton, Polyester-Wool), Plastics (PE, PP, PVC), Coatings & Paints, Injection Molding, Extrusion Molding
Acid Red 18
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
Optical Brightener KCB
Product Name: Optical Brightener KCB / Fluorescent Brightener 367 Chemical Name: 2,2′-(1,4-Naphthalenediyl)bisbenzoxazole;1,4-Bis(benzoxazolyl-2-yl)naphthalene Color Index: C.I. 367 CAS: 5089-22-5 Molecular Formula: C₂₄H₁₄N₂O₂ Formula Weight: 362.38 g/mol Synonyms: Fluorescent Brightener 367; Fluorescent Whitening Agent KCB; 1,4-Bis(2-benzoxazolyl)naphthalene; FBA 367; 4,4-Bis(benzoxazolyl-2-yl)naphthalene; C.I. 367 Application: Plastics (PVC, PE, PP, PS, ABS, EVA, TPU, TPR), EVA Foam (Sports Shoes, Slippers), Rubber Products, Synthetic Fibers (Polyester, Polyamide), Paints & Coatings, Printing Inks, Injection Molding Materials, Extrusion Molding Materials, Plastic Films
Optical Brightener BBU
Product Name: Optical Brightener BBU / Fluorescent Brightener 220 Chemical Name: Tetrasodium 4,4′-bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2′-disulfonate Color Index: C.I. 220 CAS: 16470-24-9 Molecular Formula: C₄₀H₄₀N₁₂Na₄O₁₆S₄ Formula Weight: 1165.04 g/mol Synonyms: Fluorescent Brightener 220; FBA 220; Optical Brightening Agent BBU; Blankophor BBU; Leucophor U; C.I. 220; Phorwhite BBU Application: Textiles (Cotton, Viscose, Linen, Polyamide), Paper Manufacturing (Pulp, Coating, Surface Sizing), Detergents, Printing (Discharge Printing Paste)
Solvent Red 24
Product Name: Solvent Red 24 / Sudan IV / Oil Red RR Chemical Name: 1-[[2-Methyl-4-[(2-methylphenyl)azo]phenyl]azo]-2-naphthalenol Color Index: C.I. 26105 CAS: 85-83-6 Molecular Formula: C₂₄H₂₀N₄O Formula Weight: 380.44 – 380.45 g/mol Synonyms: Sudan IV; Oil Red IV; Biebrich Scarlet R; Candle Scarlet G; Oil Red S; Oil Red RR; 1-(4-o-Tolylazo-o-tolylazo)-2-naphthol; C.I. 26105 Application: Plastics (PS, PVC, PMMA), Oils & Fats, Waxes, Candles, Rubber Toys, Printing Inks, Wood Stains, Shoe & Floor Polishes, Petroleum Products, Hydrocarbon Solvents, Biological Staining (Lipids & Fats)
Titanium Dioxide Masterbatch
Product Name: Titanium Dioxide Masterbatch / TiO2 Masterbatch / matte masterbatch C.I.: — CAS: — purity: 40%-60%(accept customized) Appearance:White plastic particles Ingredient: Titanium Dioxide TIO2, PET(or other plastics) Synonyms: TiO2 Masterbatch, Titanium Dioxide Masterbatch,White Masterbatch ,matte masterbatch Application: It is used for the whitening and matting and colorant of plastics and recycled plastics, such as recycled polyester staple fiber, recycled PVC ,PET and other plastics, and can also be used for ABS, PS, HIPS, PC, PP, PE, PE, EVA ,PVC.
