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EC Number

235-428-0 / 248-983-7 / 272-513-1

Molecular Weight

1850.3 g/mol

Purity

85% – 98% (upto 5N)

Packaging

25 / 50 / 500 / 1000 kg bags
25 / 50 kg drums /
200 - 1000 ltr IBC

MOQ

1 T.E.U. (FCL)

Customization (incl. but not limited to)

for Grades / Forms / Specifications / Properties / Packaging available on request

Appearance ; Odor

Orange Powder / Crystal ;
Amine-like Odor

Chemical Class

Azo / Monoazo / Diazo / MCT / VS / Bi-functional

Forms

Powder/Granular

IUPAC Name

octasodium;3-[[6-[[4-chloro-6-[4-[4-[[4-chloro-6-[[6-[(4,8-disulfonatonaphthalen-2-yl)diazenyl]-5-hydroxy-7-sulfonatonaphthalen-2-yl]amino]-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]-3-sulfonatoanilino]-1,3,5-triazin-2-yl]amino]-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]naphthalene-1,5-disulfonate

Product Overview

Reactive Orange dyes are high-performance, water-soluble colorants engineered to deliver bright, vibrant orange shades with excellent brilliance, consistency, and reproducibility on cellulosic fibers. Designed with advanced reactive chemistry systems, these dyes offer a balanced combination of high exhaustion, strong fixation, and controlled hydrolysis, ensuring efficient dye uptake and minimal wastage. The portfolio includes solutions optimized for exhaust dyeing, cold pad batch, continuous processing, and textile printing, enabling seamless integration across diverse manufacturing setups. With excellent compatibility in trichromatic systems and digital applications, they support precise shade matching and uniform color development across batches.

These dyes are developed to meet the evolving demands of modern textile processing, offering superior wash, rubbing, and light fastness along with high build-up for both medium and deep shades. Available in multiple physical forms including powder, granular, liquid, and digital ink formulations, they are tailored for operational flexibility, reduced dust handling, and improved process efficiency. The range also supports sustainable manufacturing through high fixation efficiency, low electrolyte requirements, and reduced effluent load, while complying with global environmental and regulatory standards. This makes them an ideal choice for applications spanning apparel, home textiles, fashion printing, and high-value export-oriented textile production.

Grades | Category | Solutions

Reactive Orange Dye Grades
  • Reactive Orange 4 (Bright Reddish Orange – High Tinctorial Strength)
  • Reactive Orange 7 (Yellowish Orange – Good Leveling)
  • Reactive Orange 12 (Brilliant Orange – High Exhaustion)
  • Reactive Orange 13 (Red Tone Orange – High Build-Up)
  • Reactive Orange 16 (Medium Orange – Balanced Fastness)
  • Reactive Orange 24 (High Fixation – Bifunctional Type)
  • Reactive Orange 64 (Deep Orange – High Wash Fastness)
  • Reactive Orange 72 (Bright Orange – Excellent Brilliance)
  • Reactive Orange 84 (High Light Fastness Grade)
  • Reactive Orange HE-2R (Hot Brand – Exhaust Dyeing)
  • Reactive Orange ME-2R (Medium Exhaustion Series)
  • Reactive Orange Cold Brand (CPB Suitable Grades)
  • Reactive Orange P-2R (Printing Grade)
  • Reactive Orange RGB (Balanced Shade for Trichromy)
  • Reactive Orange Ultra (High Build-Up / Deep Shade)
Reactive Chemistry Categories
  • Vinyl Sulfone (VS Type – Medium Reactivity / Good Exhaustion)
  • Monochlorotriazine (MCT – High Temperature Dyeing)
  • Dichlorotriazine (DCT – Cold Dyeing / High Reactivity)
  • Bifunctional Reactive Dyes (VS + MCT – Improved Fixation)
  • Bifunctional Reactive Dyes (VS + DCT – Fast Dyeing)
  • Polyfunctional Reactive Systems (High Fixation & Low Hydrolysis)
  • Low Salt / Eco-Friendly Reactive Systems
  • High Reactivity Systems (Shorter Dye Cycles)
Specialty & Functional Grades
  • Process-Based Grades
  • Exhaust Dyeing (Jet / Soft Flow / Winch)
  • Cold Pad Batch (CPB – Energy Efficient Dyeing)
  • Pad-Dry-Cure (Continuous Dyeing)
  • Pad-Steam Dyeing
  • Textile Printing (Screen / Rotary)
  • Digital Textile Printing (Inkjet Reactive Inks)
  • Garment Dyeing
  • Yarn Dyeing
  • Fiber-Specific Grades
  • Cotton-Specific Reactive Oranges
  • Viscose / Rayon Optimized
  • Linen / Flax Compatible
  • Modal / Lyocell (Tencel)
  • Cellulosic Blend Compatible
  • Performance-Based Grades
  • High Exhaustion (70–85%)
  • High Fixation (65–80%)
  • Low Hydrolysis
  • High Build-Up / Deep Orange Shades
  • High Wash Fastness (4–5)
  • High Light Fastness (4–6)
  • Excellent Brightness & Brilliance
  • High Leveling / Migration Control
  • High Reproducibility (Batch Consistency)
  • Low Electrolyte Requirement
Forms & Supply Formats
  • Powder (Spray Dried)
  • Granular (Low Dust / Dust-Free)
  • Liquid Reactive Dyes (Standardized Strength)
  • High Strength Concentrated Powders
  • Pre-Mixed Orange Blends
  • Printing Pastes (Ready-to-Use)
  • Digital Ink Formulations
  • High Solubility / Fast Dissolving Grades

Our Reactive Orange dyes deliver bright, vibrant shades with excellent brilliance, high fixation, and strong wash fastness on cellulosic fibers. These dyes are widely used across textile dyeing, printing, and continuous processing where consistent orange tones and reproducibility are critical.

Grade (C.I.) Strength (%) Key Properties Form Applications
Reactive Orange 4 100 – 120% Bright reddish orange, high tinctorial strength Powder / Granular / Liquid / Paste Cotton dyeing (exhaust & CPB), textile printing, garments, fashion fabrics, home textiles, terry towels
Reactive Orange 7 95 – 115% Yellowish orange tone, excellent leveling Powder / Liquid / Granular Viscose & cotton dyeing, blended fabrics, continuous dyeing, shirting, dress materials, knitwear
Reactive Orange 13 105 – 125% Reddish orange, high build-up Powder / Granular Deep shade dyeing, apparel textiles, export garments, denim over-dyeing, uniforms
Reactive Orange 16 100 – 120% Balanced shade, good fastness properties Powder / Liquid General textile dyeing, cotton fabrics, yarn dyeing, woven & knitted fabrics, institutional textiles
Reactive Orange 24 110 – 130% Bifunctional, high fixation, low hydrolysis Powder / Granular / Liquid Premium dyeing, high fastness garments, reactive blends, export-quality textiles, high reproducibility batches
Reactive Orange 64 105 – 125% Deep orange, excellent wash fastness Powder / Liquid Home textiles, upholstery fabrics, bed linens, high wash durability applications
Reactive Orange P-2R 100 – 115% High brightness, excellent print sharpness Powder / Paste / Liquid Ink Screen printing, rotary printing, textile prints, fashion printing, designer fabrics, customized prints
Reactive Orange RGB 100 – 120% Balanced tone, suitable for trichromy systems Powder / Liquid Digital textile printing, inkjet printing, color mixing systems, high-resolution designs
Reactive Orange EXF 110 – 130% High exhaustion (70–85%), reduced salt requirement Powder / Granular Exhaust dyeing, low liquor ratio machines, sustainable dyeing, eco-friendly processing
Reactive Orange HF / HFN 110 – 130% High fixation (65–80%), low hydrolysis Powder / Liquid Deep shades, high fastness garments, premium apparel, repeated batch dyeing, export textiles
Reactive Orange Ultra 120 – 140% Very high build-up, extra depth & brilliance Powder / Granular High depth dyeing, fashion garments, premium fabrics, intense shade applications
Reactive Orange CPB Grade 100 – 120% Optimized for cold pad batch, stable reactivity Liquid / Powder Continuous dyeing, bulk textile production, energy-efficient processing, large-scale mills
Reactive Orange Digital Ink Standardized High solubility, fine filtration, nozzle-safe Liquid Ink Digital textile printing, inkjet systems, customized garments, on-demand textile production

Product Specifications

Our Reactive Orange dyes are tested as per internationally recognized ISO, AATCC, and DIN standards to ensure high brilliance, consistent dyeing performance, excellent fixation, and reproducible orange shades on cellulosic fibers across dyeing and printing applications.

Parameter Test Method Specification
Appearance ISO 607: Visual assessment of dyes Orange powder / granular / liquid
Shade (Tone) ISO 105-J01: Instrumental color measurement (CIELAB) Reddish Orange / Yellowish Orange / Bright Orange (grade dependent)
Strength (Color Value) ISO 105-J03: Relative color strength determination 95 – 140% (relative to standard)
Solubility ISO 105-Z09: Solubility and solution stability ≥ 60 – 180 g/L (grade dependent)
pH (1% Solution) ISO 105-Z07: Determination of pH of dye solution 6.0 – 8.5
Electrolyte Stability ISO 105-Z10: Stability in presence of salt Stable under 40 – 100 g/L salt conditions
Alkali Stability ISO 105-Z08: Stability under alkaline conditions Stable at pH 10 – 11 (soda ash fixation conditions)
Exhaustion Rate ISO 105-C06 (Modified for dye uptake measurement) 70 – 85%
Fixation Rate ISO 105-C06 / AATCC 61 (After washing) 65 – 80%
Wash Fastness ISO 105-C06: Color fastness to washing Grade 4 – 5
Rubbing Fastness (Dry/Wet) ISO 105-X12: Color fastness to rubbing Dry: 4 – 5 | Wet: 3 – 4
Light Fastness ISO 105-B02: Xenon arc lamp (Blue Wool Scale) 4 – 6 (shade dependent)
Perspiration Fastness ISO 105-E04: Acid and alkaline perspiration Grade 4 – 5
Chlorinated Water Fastness ISO 105-E03: Chlorinated water resistance Grade 3 – 4
Migration / Leveling ISO 105-A04: Assessment of staining Good to Excellent leveling & migration control
Reproducibility ISO 105-J03: Batch-to-batch shade consistency ΔE ≤ 1.0
Dissolution Time Internal / ISO 105-Z09 Reference ≤ 10 – 15 minutes
Moisture Content ISO 105-Z01: Determination of moisture ≤ 5%
Heavy Metals ICP-OES / AAS (REACH / ZDHC compliance) Within regulatory limits

Physical & Chemical Properties

Property Reactive Orange 4 Reactive Orange 7 Reactive Orange 13 Reactive Orange 16 Reactive Orange 24 Reactive Orange EXF Reactive Orange HF
Appearance Bright orange powder / granules Yellowish orange powder Reddish orange powder Orange powder / liquid Deep orange powder Granular orange powder Fine orange powder
Solubility (g/L at 25°C) 120 – 150 110 – 140 130 – 170 120 – 160 140 – 180 150 – 190 140 – 180
Moisture (%) ≤ 5.0 ≤ 5.0 ≤ 4.5 ≤ 4.5 ≤ 4.0 ≤ 4.0 ≤ 4.0
pH (1% Solution) 6.5 – 8.0 6.5 – 8.5 6.0 – 7.5 6.0 – 7.5 6.0 – 7.5 6.0 – 7.5 6.0 – 7.5
Dissolution Time (min) 8 – 12 10 – 15 8 – 12 8 – 12 8 – 10 6 – 10 6 – 10
Electrolyte Stability (NaCl g/L) 60 – 80 60 – 80 80 – 100 80 – 100 80 – 100 90 – 110 90 – 110
Alkali Stability (pH) 10 – 11 10 – 11 10.5 – 11.5 10.5 – 11.5 10.5 – 11.5 10.5 – 11.5 10.5 – 11.5
Hydrolysis Rate (%) 15 – 25 20 – 30 12 – 22 12 – 22 10 – 20 8 – 15 8 – 15
Exhaustion (%) 70 – 80 65 – 75 75 – 85 70 – 80 75 – 85 80 – 85 75 – 85
Fixation (%) 65 – 75 60 – 70 70 – 80 70 – 80 75 – 80 75 – 80 75 – 80
Build-Up (Depth % Shade) 3 – 5% 3 – 4% 4 – 6% 4 – 5% 4 – 6% 5 – 7% 5 – 7%
Wash Fastness 4 – 5 4 4 – 5 4 – 5 4 – 5 4 – 5 4 – 5
Rubbing Fastness (Dry/Wet) 4–5 / 3–4 4 / 3 4–5 / 3–4 4–5 / 3–4 4–5 / 3–4 4–5 / 3–4 4–5 / 3–4
Light Fastness (Blue Wool) 4 – 5 4 5 – 6 5 – 6 5 – 6 5 – 6 5 – 6
Perspiration Fastness 4 – 5 4 4 – 5 4 – 5 4 – 5 4 – 5 4 – 5
Chlorine Fastness 3 – 4 3 3 – 4 3 – 4 4 4 4
Color Strength (%) 100 – 120 95 – 115 105 – 125 100 – 120 110 – 130 110 – 130 110 – 130
Color Variation (ΔE) ≤ 1.0 ≤ 1.2 ≤ 1.0 ≤ 1.0 ≤ 1.0 ≤ 1.0 ≤ 1.0
Leveling Index (%) 82 – 90 85 – 92 88 – 95 88 – 95 90 – 96 90 – 96 90 – 96
Migration Index (%) 78 – 85 80 – 90 85 – 92 85 – 92 88 – 95 88 – 95 88 – 95

Reactive Orange 4

A bright reddish-orange reactive dye with high tinctorial strength and excellent brilliance, widely used in textile dyeing and printing applications requiring vivid shades.

  • Reddish orange shade (high chroma)
  • High color strength (100–120%)
  • Good exhaustion and fixation properties
  • Balanced wash and rubbing fastness
  • Available in powder, granular, liquid & paste forms

Applications: Cotton dyeing, garment dyeing, textile printing, fashion fabrics, home textiles.

Reactive Orange 7

A yellowish-orange reactive dye known for its excellent leveling and migration properties, suitable for uniform dyeing across various substrates.

  • Yellowish orange tone (soft brightness)
  • Moderate to high strength (95–115%)
  • Excellent leveling and migration
  • Good compatibility in dye combinations
  • Suitable for exhaust and continuous processes

Applications: Cotton & viscose dyeing, blends, knitwear, continuous dyeing, light-to-medium shades.

Reactive Orange 13

A deep reddish-orange dye offering strong build-up and excellent depth, suitable for high-impact shades and premium textile applications.

  • Deep reddish orange shade
  • High build-up capability (4–6% depth)
  • Good fixation and fastness properties
  • Suitable for deep shade dyeing
  • Stable under standard dyeing conditions

Applications: Apparel textiles, uniforms, export fabrics, denim over-dyeing, fashion garments.

Reactive Orange 16

A versatile medium orange dye with balanced performance, offering good reproducibility and compatibility in multi-color systems.

  • Balanced orange tone
  • Stable color strength (100–120%)
  • Good wash and light fastness
  • High batch-to-batch consistency
  • Suitable for multiple dyeing methods

Applications: General textile dyeing, yarn dyeing, woven & knitted fabrics, institutional textiles.

Reactive Orange 24

A bifunctional reactive dye designed for high fixation and reduced hydrolysis, delivering improved efficiency and fastness.

  • High fixation efficiency (75–80%)
  • Low hydrolysis (better yield)
  • Good wash and perspiration fastness
  • Suitable for eco-efficient dyeing
  • Improved reproducibility

Applications: Premium textiles, export garments, high fastness applications, sustainable dyeing processes.

Reactive Orange 64

A deeper orange dye offering improved wash durability and consistency, suitable for home textiles and heavy-duty applications.

  • Deep orange tone
  • High wash fastness (4–5)
  • Good build-up properties
  • Stable shade consistency
  • Suitable for medium to deep shades

Applications: Bed linens, upholstery, towels, home furnishings, durable textiles.

Reactive Orange P-2R

A printing-grade reactive dye engineered for sharpness, brightness, and consistent color development in textile printing processes.

  • High brightness and clarity
  • Excellent print sharpness
  • Controlled viscosity compatibility
  • Suitable for screen and rotary printing
  • Available as powder, paste & liquid ink

Applications: Textile printing, designer fabrics, fashion prints, patterned garments.

Reactive Orange RGB

A balanced orange dye optimized for trichromatic systems, ensuring accurate shade matching and digital printing compatibility.

  • Balanced tone for RGB systems
  • High color consistency
  • Excellent compatibility with red & yellow dyes
  • Suitable for digital and precision dyeing
  • High reproducibility (ΔE ≤ 1.0)

Applications: Digital textile printing, color matching systems, high-resolution prints, branding textiles.

Reactive Orange EXF

High exhaustion reactive dye designed for reduced salt consumption and improved dye uptake efficiency.

  • High exhaustion (80–85%)
  • Reduced electrolyte requirement
  • Improved dye uptake efficiency
  • Eco-friendly dyeing solution
  • Suitable for low liquor ratio machines

Applications: Sustainable textile dyeing, exhaust dyeing, large-scale processing, eco-compliant production.

Reactive Orange HF / HFN

High fixation reactive dye series offering excellent fastness and reduced hydrolysis, suitable for premium textile applications.

  • High fixation (75–80%)
  • Low hydrolysis (better yield)
  • Excellent wash and perspiration fastness
  • High reproducibility
  • Suitable for deep and bright shades

Applications: Export garments, high-end textiles, fashion apparel, repeat production dyeing.

Reactive Orange Ultra

A high build-up reactive dye designed for intense depth and superior brilliance in deep shade applications.

  • Very high build-up capability (5–7%)
  • Intense color depth and brilliance
  • Good fastness properties
  • Suitable for premium applications
  • High tinctorial strength

Applications: High-end fashion fabrics, premium garments, deep shade dyeing, luxury textiles.

Reactive Orange CPB Grade

Reactive orange dyes optimized for cold pad batch (CPB) processes, ensuring stable reactivity and uniform fixation.

  • Optimized for CPB process
  • Stable reactivity at room temperature
  • Uniform fixation across fabric width
  • Energy-efficient dyeing
  • Consistent shade development

Applications: Continuous dyeing, bulk textile processing, large-scale mills, energy-saving operations.

Reactive Orange Digital Ink

Specialized liquid formulation designed for inkjet textile printing with high solubility, filtration stability, and nozzle safety.

  • High solubility and purity
  • Ultra-fine filtration (nozzle safe)
  • Consistent droplet formation
  • High color yield and sharpness
  • Ready-to-use liquid formulation

Applications: Digital textile printing, inkjet systems, customized garments, on-demand production.

Safety & Handling

Storage Guidelines:
  • - Store in a cool, dry, and well-ventilated environment (recommended 5–35°C)
  • - Keep containers tightly sealed to prevent moisture absorption and hydrolysis
  • - Protect from direct sunlight, humidity, and excessive heat exposure
  • - Avoid contamination from incompatible chemicals and foreign materials
  • - Store away from strong oxidizing agents and highly reactive substances
Required PPE:
  • - Dust respirators (N95 / FFP2 or equivalent) during powder handling
  • - Safety goggles or chemical splash-resistant eyewear
  • - Chemical-resistant gloves (nitrile / neoprene)
  • - Protective clothing for prolonged or repeated exposure
Handling Precautions:
  • - Minimize dust generation and avoid inhalation during handling
  • - Use local exhaust ventilation (LEV) or enclosed systems where possible
  • - Prevent aerosol or mist formation in liquid dye handling
  • - Avoid direct contact with eyes and prolonged skin exposure
  • - Use wet cleaning or vacuum systems instead of dry sweeping
  • - Maintain good housekeeping to prevent dye contamination and spillage

Safety Data Sheets (SDS) are available upon request for detailed information on occupational exposure limits, regulatory compliance (REACH, ZDHC, OEKO-TEX®), and safe handling practices.

Packaging & Transportation

Reactive Orange dyes are supplied in multiple packaging formats depending on product form (powder, granular, liquid, printing paste, or digital ink) and textile processing requirements. Packaging systems are designed to ensure product stability, moisture protection, and safe handling across domestic and international supply chains.

Packaging Options:
  • Paper Bags / HDPE Bags: Typically 25 kg laminated or multi-wall bags with inner liners for powder dyes
  • FIBC / Jumbo Bags: 500–1000 kg bulk packaging for large-scale textile processing
  • Fiber Drums: 25–50 kg drums for high-purity, printing, or specialty grades
  • Liquid Dyes: Supplied in HDPE drums or IBC tanks (200–1000 liters)
  • Granular Grades: Low-dust granules for improved handling and reduced airborne particles
  • Digital Ink & Printing Forms: Supplied in sealed containers or cartridges for precision applications
  • Customized Packaging: Available as per customer specifications and export requirements
Palletization & Export Packing:
  • - Bags and drums palletized on heat-treated wooden or plastic pallets (ISPM-15 compliant)
  • - Typically 40–50 units per pallet depending on packaging configuration
  • - Stretch-wrapped and securely strapped for stability during transport
  • - Use of moisture barriers and protective liners where required
  • - Clear labeling with product name, grade, batch number, and handling instructions
Container Loading & Handling:
  • - Loaded into 20 ft / 40 ft containers as per international shipping standards
  • - Proper weight distribution maintained to prevent load shifting
  • - Use of dunnage, pallet locks, and securing materials where required
  • - Pre-dispatch inspection ensures packaging integrity and compliance
Transportation & Logistics:
  • - Generally classified as non-hazardous for transport (subject to SDS classification)
  • - Suitable for road, rail, sea, and air freight (as applicable)
  • - Handled under standard shipping conditions for packaged or bulk cargo
  • - Full documentation support including COA, SDS, and export documents
  • - Batch traceability maintained through labeling and quality systems

Flexible packaging, labeling, and logistics solutions are available to meet specific textile processing requirements and customer supply chain needs.

Recycling & Sustainability

Our Reactive Orange dye portfolio supports sustainable textile manufacturing through high fixation efficiency, reduced effluent load, and compliance with global environmental and chemical management standards.

  • - High fixation dyes (HF/HFN, bifunctional systems like RO24) reduce unfixed dye and minimize wastewater load
  • - High-exhaustion systems (EXF grades) lower salt consumption and improve process efficiency
  • - Low hydrolysis reactive systems improve dye utilization and reduce chemical discharge
  • - ZDHC, REACH, and OEKO-TEX® compliant grades available for global textile supply chains
  • - Liquid and low-dust granular forms reduce airborne emissions and improve workplace safety
  • - Compatible with modern low-liquor ratio, CPB, and energy-efficient dyeing technologies
  • - High reproducibility minimizes reprocessing, saving water, energy, and raw materials
Reactive Oranges
Reactive Oranges Chemical Formula
Disclaimer: Above shown IUPAC name, structural and molecular formula belongs to Reactive Orange 84