Specialist in Suplhur Dyes - Leading Manufacturer
Veeraco Colourants Private Limited is the leading Sulphur Dyes manufacturers in India. Sulphur dyes are in demand to dye cotton and regenerated cellulose/viscose in the form of Yarn, piece goods, or as an item in combinations.
Insoluble in water they are made soluble (leuco) by placing them in an alkaline reducing agent such as Sodium Sulphide (Na2s). Sulphur dyes can be singled out by their dark colors mostly black, blue, or brown required by different sectors.
Sulphur dyes are complex heterocyclic molecules or combinations that are made by melting or boiling organic compounds having amino or nitro groups with sodium polysulphide and sulphur. Sulphur dyes get their name from the fact that all of their molecules contain a sulphur bond.
Features of Veeraco Sulphur Dyes
- Excellent Wash Fastness
Grade 4-5 performance for commercial laundering.
- Cost Effectiveness
50-70% lower cost compared to reactive dyes.
- Deep Color Penetration
Mechanical entrapment provides superior color depth.
- Chemical Resistance
Stable against alkalis, acids, and bleaching agents.
- Cellulose Affinity
Optimized for sulphur dyeing on cellulosic material.
- Global Standards
Meet international quality requirements for textile applications.
- Environmental Compliance
Low-sulphide variants meeting ZDHC standards.
- Batch Consistency
ΔE<0.8 across production runs ensuring reliability.
Our Extensive Sulphur Dyes Portfolio
Sulphur Yellow GC | Sulphur Yellow 2
Sulphur Brilliant Yellow | Sulphur Yellow 9
Sulphur Orange R | Sulphur Orange 1
Sulphur Bordeaux 3B | Sulphur Red 6
Sulphur Red LGF | Sulphur Red 14
Sulphur Yellow Brown 5G | Sulphur Brown 10
Sulphur Brilliant Green G | Sulphur Green 3
Sulphur Green F | Sulphur Green 14
Sulphur Dark Blue 3R | Sulphur Blue 5
Sulphur Blue BRN | Sulphur Blue 7
Sulphur Blue BBF | Sulphur Blue 13
Sulphur Green Blue CV | Sulphur Blue 15
Sulphur Black BR - Powder | Sulphur Black 1
Sulphur Black BR - Liquid | Sulphur Black 1
Sulphur Black BR - Crystals | Sulphur Black 1
Sulphur Dyeing on Cellulosic Material Solutions
As the manufacturer of sulphur dyes with the largest export volume in Asia, we deliver specialized solutions across industries.
Cotton Textile Manufacturing
- Applications: Denim, workwear, casual wear, home textiles
- Benefits: Superior wash fastness, deep color penetration
- Specialty: 85% market penetration in indigo alternatives
- Cost Advantage: 40-70% lower than reactive dyes
Denim Industry
- Uses: Jean manufacturing, vintage effects, industrial denim
- Features: Excellent crocking resistance, authentic indigo alternatives
- Technology: Continuous dyeing compatibility
- Global Supply: Major denim manufacturers in 50+ countries
Workwear & Uniforms
- Applications: Military uniforms, industrial workwear, safety clothing
- Requirements: Durability, color consistency, wash resistance
- Standards: Military specifications compliance
- Colors: Navy, black, olive, khaki specialties
Home Textiles
- Products: Bed linen, curtains, upholstery fabrics
- Advantages: Cost-effective dark shades, light fastness
- Market Focus: Mass market textile production
- Color Range: Deep browns, blacks, navy blues
Sustainable Fashion
- Innovation: ECOSUL® low-impact variants
- Benefits: 50% COD reduction, ZDHC compliance
- Applications: Eco-conscious brands, sustainable collections
- Certifications: GOTS, OEKO-TEX compatible formulations
Technical Textiles
- Uses: Filter fabrics, geotextiles, automotive textiles
- Requirements: Chemical resistance, durability
- Performance: High temperature stability, pH resistance
Why Global Manufacturers Choose Our Sulphur Dyes
As the manufacturer of sulphur dyes with the largest export volume in Asia, Veeraco provides superior performance, consistency, and eco-compliance for global textile applications.
Deep Shades Excellence
Navy, black, and brown colors at 40% lower cost than alternatives while maintaining superior wash fastness Grade 4-5.
Eco-Advanced Technology
Low-sulphide variants reduce COD by 50% with ECOSUL® process meeting ZDHC standards (<0.3% free sulphide).
Batch Consistency
ΔE<0.8 accuracy across production runs through advanced color measurement and standardization systems.
Rapid Dyeing Process
30% faster cycle times vs. industry standard with optimized reduction conditions and enhanced solubility.
What we supply
We stock Sulphur Black 1 in powder, liquid and crystal form, and supply Sulphur Blue 5, 7, 13 and 15, Sulphur Brown 10, Sulphur Green 3 and 14, Sulphur Red 6 and 14, Sulphur Orange 1 and Sulphur Yellow 2 and 9. Black is the volume line; the rest we bring in against confirmed orders. Standard packing is 25 kg bags. Minimum order is 500 kg per shade, and 20 MT container loads are priced separately.
Cost Effectiveness
Vertically integrated manufacturing providing 50-70% cost advantage over reactive dyes while maintaining quality standards.
Global Supplier of Sulphur Dyes to 50+ Countries
Key Markets
Southeast Asia Africa
Logistics & Support
Certified for International Textile Safety Standards
REACH Compliant – EU Registration
OEKO-TEX® Standard 100 (Class II/III)
ZDHC Gateway – Level 1 Compliant
ISO 9001:2015 – Quality System
RoHS & Heavy Metal Free (select grades)
Technical Specifications & Performance Data
Standard Quality Parameters
| Parameter | Specification | Test Method |
|---|---|---|
| Sulphur Content | 28-35% | Elemental Analysis |
| Moisture Content | ≤2.0% | Karl Fischer |
| Free Sulphide | ≤0.5% (≤0.3% eco) | Iodometric Titration |
| Particle Size | ≤15 microns | Laser Diffraction |
| pH (10% suspension) | 11-13 | Digital pH Meter |
| Color Strength | ±2% tolerance | Spectrophotometric |
Dyeing Performance Data
| Application | Dosage (% owf) | Temperature (°C) | Time (min) | Wash Fastness |
|---|---|---|---|---|
| Cotton Denim | 3-8% | 60-70 | 30-45 | Grade 4-5 |
| Cotton Workwear | 2-6% | 60-70 | 45-60 | Grade 4-5 |
| Cotton Home Textiles | 1-4% | 60-70 | 30-40 | Grade 4 |
| Cotton Blends | 2-5% | 60-70 | 40-50 | Grade 4 |
Fastness Properties
| Test Parameter | Grade | Standard |
|---|---|---|
| Wash Fastness | 4-5 | ISO 105-C06 |
| Light Fastness | 3-4 | ISO 105-B02 |
| Perspiration Fastness | 4-5 | ISO 105-E04 |
| Rubbing Fastness (Dry) | 4-5 | ISO 105-X12 |
| Rubbing Fastness (Wet) | 3-4 | ISO 105-X12 |
Chemical Resistance Data
| Chemical | Concentration | Resistance Grade |
|---|---|---|
| Sodium Hypochlorite | 0.5% | Good |
| Hydrogen Peroxide | 3% | Excellent |
| Sodium Hydroxide | 10g/L | Excellent |
| Acetic Acid | 2% | Good |
WHAT ARE GLOBAL SULPHUR DYES?
COMPLETE TECHNICAL & MARKET GUIDE
Global sulphur dyes are water-insoluble sulfur-containing colorants specifically designed for sulphur dyeing on cellulosic material including cotton, viscose, and regenerated cellulose fibers. As the leading supplier of sulphur dyes and premier manufacturer of sulphur dyes, we understand that these cost-effective colorants provide excellent wash fastness and deep, rich colors that dominate significant segments of the global sulfur dyes market size.
Chemical Structure & Classification
- Aromatic Backbone
Benzene, naphthalene, or anthracene rings
- Sulfur Bridges
-S-S- linkages providing color properties
- Functional Groups
Amino, nitro, or hydroxyl substituents
- Metal Complexes
Some variants contain copper or chromium
Dyeing Mechanism
- Reduction
Insoluble dye converted to soluble leuco compound using sodium sulphide
- Penetration
Reduced dye penetrates cellulose fiber structure
- Oxidation
Air oxidation regenerates insoluble colored form within fiber
- Fixation
Mechanical entrapment provides wash-fast properties
Market Analysis
- Global Market Size
$1.2B in 2024 with 5.8% CAGR growth
- Regional Distribution
Asia-Pacific (60%), Europe (25%), Americas (15%)
- Applications
Cotton textiles (70%), denim (20%), technical textiles (10%)
- Growth Drivers
Cost effectiveness, sustainability focus, emerging markets
Advantages Over Other Dye Classes
- Cost Efficiency
50–70% lower cost than reactive dyes
- Wash Fastness
Superior performance in commercial laundering
- Deep Shades
Excellent depth on cellulosic materials
- Environmental
Lower water consumption, reduced chemical usage
How sulphur dyes are made
Sulphur dyes are produced by heating organic compounds carrying amino or nitro groups with sulphur and sodium polysulphide. The reaction builds sulphur bridges into the molecule, which is where the class gets its name and its water insolubility. To dye with them the pigment is reduced to a soluble leuco form with sodium sulphide, drawn into the fibre, then oxidised back to its insoluble form inside the fibre. That mechanical trapping is why the wash fastness is good and why the shade range runs to blacks, browns and navies rather than brights.
Frequently Asked Questions
About Sulphur Dyes
We control 18% of the global market with 200+ MT monthly production capacity and direct exports to 50+ countries, making us the largest sulphur dye supplier in Asia.
Our ECOSUL® process reduces sulphide usage by 40% while maintaining wash-fastness Grade 4-5, setting new industry standards for sustainable dyeing.
$1.2B in 2024 with 5.8% CAGR growth, where we hold dominant market share in developing textile manufacturing regions.
Yes, our LS-series meets ZDHC standards with <0.3% free sulphide content, reducing COD by 50% while maintaining dyeing performance.
500kg minimum for standard colors with container load (20MT) volume discounts and consolidated shipping services available.
Batch-wise testing for color strength (±2%), sulphide content, fastness properties, and complete documentation for regulatory compliance.
Yes, with ΔE<1.0 accuracy through our digital color laboratory and custom formulation capabilities for brand-specific requirements.
REACH registration, SDS documentation, GOTS certification, ZDHC compliance, and country-specific regulatory packages for seamless imports.
Partner with India's Leading Sulphur Dyes Manufacturer
Send us the shade, the substrate and the quantity, and we will come back with a price, a lead time and the documentation you will receive. If you want to test first, we send samples at cost.
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Disclaimer: The Colour tone furnished herein is considered reliable but without guarantee. As Actual dye samples must be evaluated in a laboratory on medium to be dyed in production for accurate shade and physical property results. Shades shown on print material and monitors/paper are for general reference only as they are inherently inaccurate due to calibration variations and technical limitations of monitors and printers.
