Applications of 1-Amino-5-Chloroanthraquinone in Industrial Manufacturing

As the primary producer of 1-Amino-5-Chloroanthraquinone, we enable a range of specialized downstream sectors to achieve color precision, stability, and compliance through controlled incorporation of this intermediate. Our material integrates into various colorant syntheses and functional product formulations, benefitting industries focused on regulated, high-performance end uses.

1. Synthetic Dyes for Polyester Fiber Coloring

Polyester fiber dye houses utilize this raw material to manufacture high-purity disperse dyes with excellent color fastness. Its chloroaminoanthraquinone structure supports vibrant blue and violet shades required for modern textile markets. Dosing and quality depend on strict adherence to batch reproducibility, color accuracy, and environmental discharge requirements set by textile standards.

Industry compliance standards

• Oeko-Tex Standard 100
• ZDHC MRSL (Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List)
• REACH Annex XVII—Azo Dye Restrictions (EU Regulation EC No 1907/2006)
• GB/T 17592-2011 (Determination of certain aromatic amines derived from azo colorants in textiles, China)

Typical usage ratio

• Colorant precursors: 3–6% w/w of total dye intermediate blend for disperse dye production, adjusted for shade depth and fastness requirements.

Downstream process integration

• Introduced during the first anthraquinone condensation or functionalization step in dye synthesis batches before coupling with diazotized components.

Final product types

• Disperse violet and blue dyes for polyester yarn
• Dyed apparel and sportswear fabrics
• Automotive interior polyesters

2. Manufacturing of Colorant Masterbatches for Engineering Plastics

Compounders in the polymers sector rely on this anthraquinone derivative to produce color masterbatches for engineering plastics such as PET and PBT. It delivers temperature stability and migration resistance needed during polymer melt-compounding, addressing demands in automotive, electrical, and consumer appliances through compliance with global plastics safety and quality standards.

Industry compliance standards

• ISO 9001:2015 Quality Management System—Polymer Compounding
• Global Automotive Declarable Substance List (GADSL)
• RoHS Directive (2011/65/EU)—for restricted substances in electronics
• UL 94 (for colorant additives in flame retardant plastics)

Typical usage ratio

• Added at 0.1–1.0% w/w dye content in masterbatch formulations, depending on the required tint strength and opacity standards of the final application.

Downstream process integration

• Dispersed with carrier resin during twin-screw extrusion of color concentrate before downstream dilution and injection molding.

Final product types

• Colored PET and PBT granulates for automotive housings
• Flame-resistant appliance enclosures
• Electrical connector components

3. Commercial Printing Inks for High-Fastness Applications

Industrial ink manufacturers incorporate the raw material during the synthesis of high-performance anthraquinone colorants for uses such as solvent-based and UV-curable inks. Its chemical stability ensures sharp, fade-resistant prints even on demanding substrates. Ink processors meet both global toxicity and environmental labeling regulations during use.

Industry compliance standards

• EN 71-3 (European Standard for Safety of Toys—Migration of colorants)
• ISO 2846-1:2017 (Color and Transparency of Printing Ink—Offset lithographic inks)
• GHS (Globally Harmonized System of Classification and Labelling of Chemicals)
• California Proposition 65 (Warning for regulated colorants)

Typical usage ratio

• 0.2–1.2% w/w during pigment or dye phase in ink concentrate, modified based on opacity and print substrate.

Downstream process integration

• Mixed in pigment synthesis or pre-dispersion stage before let-down into the final ink base in high-speed bead milling.

Final product types

• Solvent-based gravure inks for flexible film packaging
• UV-curable inks for plastic labeling
• Offset and screen inks for metalized substrates

4. Advanced Pigments for Automotive Paints and Coatings

Producers of automotive coatings utilize this ingredient to synthesize durable anthraquinone-based organic pigments offering high light- and weather-fastness on exterior surfaces. The resulting pigments provide precise color shades for both OEM and aftermarket paints, while manufacturers maintain compliance with national emissions and hazardous substances regulations throughout pigment incorporation steps.

Industry compliance standards

• ISO 11890-2:2020 (Determination of volatile organic compounds in coatings)
• Japan JIS K 5663 (Synthetic resin paints—Weathering test regulations)
• VOC Content Regulations—US EPA 40 CFR Part 59
• Directive 2004/42/EC—Paints and varnishes (EU VOC directive)

Typical usage ratio

• Ranges from 0.05–0.5% pigment by weight in automotive topcoat formulations; concentration adjusted for gloss control and shade requirements.

Downstream process integration

• Reacted at pigment synthesis and crystalline control stage before pigment surface treatment, micronization, and final dispersal in paint manufacturing.

Final product types

• Automotive OEM exterior paints
• Aftermarket touch-up paint
• Protective alloy wheel coatings

5. Specialty Colorants for Heat-Transfer Printing Papers

Producers of sublimation and transfer papers incorporate this intermediate as a basis for disperse-type dyes suited to digital and rotary transfer systems. The product’s proven thermal transfer properties meet the demands of image depth and stability under industrial printing, where standard compliance ensures output meets export and retail traceability requirements.

Industry compliance standards

• EN 646 (European Standard for determination of color fastness to rubbing for print and transfer papers)
• ISO 14001 (Environmental Management, paper processing)
• RSL (Retailer Restricted Substance Lists, e.g., Inditex, H&M)
• SGS, Intertek—Testing for hazardous components as per customer markets

Typical usage ratio

• Uniformly applied at 2–4% w/w during disperse dye synthesis phase; specific rate adjusted by transfer paper basis weight and design density.

Downstream process integration

• Introduced at dye blend stage prior to finishing and coating the transfer paper substrate to ensure uniformity and uptake during sublimation.

Final product types

• Heat-transfer printing paper rolls
• Custom textile and hard substrate transfer sheets
• Sublimation-ready transfer media for fashion and sporting goods export

6. Color Additives for High-Performance Industrial Lubricants

Specialty lubricant formulators use this anthraquinone derivative as a colorant and identification marker in high-temperature, synthetic-based greases and oils. The addition allows consistent color-coding, thermal stability, and compliance with industrial lubricant colorant requirements, especially for applications involving food machinery and precision manufacturing.

Industry compliance standards

• NSF International Registration (H1 Lubricants—incidental food contact)
• DIN 51502 (Lubricants—classification and color requirements)
• ISO 21469 (Hygiene requirements for lubricants used in food-processing)
• FDA 21 CFR 178.3570 (Lubricants with incidental food contact, for export market production)

Typical usage ratio

• Between 0.01–0.15% by weight of lubricant formulation; the specific level depends on desired color intensity, viscosity, and lubricant base type.

Downstream process integration

• Incorporated during the early blending stage where additives and viscosity modifiers are mixed with the base oil before final cutoff filtration.

Final product types

• Colored synthetic gear oils
• Food-grade greases with visual identifiers
• Marking lubricants for industrial assembly lines