Top TCCA Manufacturers: Bulk Supply Options for B2B Buyers
Introduction
Trichloroisocyanuric acid (TCCA), chemically designated as C₃Cl₃N₃O₃ with CAS number 87-90-1, stands as one of the most critical organic chlorine compounds in the global disinfection and water treatment industry. As a high-efficiency oxidizing and chlorinating agent, TCCA delivers exceptional杀菌 (bactericidal), virucidal, and algicidal performance while maintaining remarkable stability during storage and transportation.
For B2B buyers seeking reliable bulk supply partnerships, understanding the technical specifications, manufacturing capabilities, and quality assurance standards of TCCA producers is essential. This comprehensive technical guide examines the key parameters that define premium-grade TCCA, explores global manufacturing landscapes, and provides actionable insights for procurement professionals evaluating bulk supply options in 2026.
The global TCCA market has demonstrated robust growth trajectory, reaching approximately 99 billion yuan in 2025, with projections indicating expansion to USD 1.499 billion by 2032 at a compound annual growth rate (CAGR) of 4.6% to 7.73%. This sustained demand underscores the importance of selecting manufacturing partners capable of delivering consistent quality at scale.
Technical Specifications and Performance Data
Chemical Properties Overview
| Parameter | Specification | Test Method |
|---|---|---|
| Molecular Formula | C₃Cl₃N₃O₃ | – |
| Molecular Weight | 232.41-232.44 g/mol | – |
| CAS Number | 87-90-1 | – |
| Appearance | White crystalline powder, granules, or tablets | Visual inspection |
| Odor | Strong chlorine-like刺激性 (irritating) | Organoleptic |
| Melting Point | 246-247°C (with decomposition) | DSC/TGA |
| Density | 2.191 g/cm³ | Pyknometer |
| Bulk Density (Granular) | 0.55-0.70 g/cm³ | ASTM D1895 |
| Bulk Density (Powder) | 0.92-0.98 g/cm³ | ASTM D1895 |
| Solubility in Water (25°C) | 1.2 g/100g water | Gravimetric |
| pH Value (1% Aqueous Solution) | 2.6-3.2 | pH Meter |
| Moisture Content | ≤0.5% | Karl Fischer Titration |
Active Chlorine Content Standards
The active chlorine content represents the most critical quality indicator for TCCA, directly correlating with disinfection efficacy:
| Grade Classification | Active Chlorine Content | Application Scope |
|---|---|---|
| Premium Grade | ≥90.0% | Swimming pools, drinking water treatment, pharmaceutical |
| First Grade | ≥89.0% | Industrial circulation water, aquaculture |
| Qualified Grade | ≥88.0% | General disinfection, textile bleaching |
Stability and Decomposition Characteristics
TCCA exhibits controlled hydrolysis in aqueous environments, gradually releasing hypochlorous acid (HClO) which serves as the primary disinfecting species:
- Hydrolysis Rate: Slow-release mechanism enables sustained disinfection over 7-14 days in swimming pool applications
- Thermal Stability: Stable below 200°C; decomposition accelerates above 225°C
- Storage Stability: Maintains ≥95% active chlorine content after 12 months under proper storage conditions (cool, dry, ventilated)
- Compatibility: Minimal corrosion to stainless steel; moderate corrosion to brass and carbon steel
Industry Standards and Compliance Framework
Chinese National Standards
The primary regulatory framework governing TCCA production in China includes:
HG/T 3779-2005 – Industrial Standard for Trichloroisocyanuric Acid
This standard establishes comprehensive requirements for:
- Chemical composition and purity thresholds
- Physical property specifications
- Testing methodologies and sampling procedures
- Packaging, labeling, and storage guidelines
- Transportation safety requirements
International Certifications
Leading TCCA manufacturers typically maintain the following certifications:
| Certification | Scope | Relevance |
|---|---|---|
| ISO 9001:2015 | Quality Management | Ensures consistent manufacturing processes |
| ISO 14001:2015 | Environmental Management | Demonstrates environmental compliance |
| REACH Registration | EU Chemical Regulation | Required for European market access |
| EPA Registration | US Environmental Protection | Mandatory for US disinfectant applications |
| NSF/ANSI 60 | Drinking Water Treatment | Certification for potable water applications |
| GMP | Good Manufacturing Practice | Required for pharmaceutical-grade TCCA |
Safety and Handling Regulations
TCCA classification under international transport regulations:
- UN Number: UN 2468
- Hazard Class: 5.1 (Oxidizing Substance)
- Packing Group: II
- Proper Shipping Name: Trichloroisocyanuric acid, dry
Critical safety considerations include:
- Incompatibility with ammonium salts, ammonia, urea (forms explosive nitrogen trichloride)
- Avoidance of organic materials and reducing agents
- Requirement for moisture-proof packaging
- Mandatory MSDS/SDS documentation for all shipments
Global Manufacturing Landscape
Production Capacity Analysis
China dominates global TCCA manufacturing, accounting for approximately 75-80% of worldwide production capacity. Key production clusters include:
| Region | Estimated Annual Capacity | Major Applications |
|---|---|---|
| Shandong Province | 150,000+ MT | Export, domestic industrial |
| Jiangsu Province | 80,000+ MT | Swimming pool, water treatment |
| Zhejiang Province | 60,000+ MT | Textile bleaching, disinfection |
| Other Regions | 50,000+ MT | Diverse applications |
Manufacturing Process Overview
Modern TCCA production follows a multi-stage synthesis pathway:
- Cyanuric Acid Production: Urea thermal decomposition at 350-400°C
- Chlorination Reaction: Cyanuric acid + chlorine gas in alkaline medium
- Crystallization: Controlled precipitation and crystal growth
- Centrifugation: Solid-liquid separation
- Drying: Fluidized bed drying at 60-80°C
- Granulation/Tableting: Size classification and form conversion
- Quality Control: Comprehensive testing before release
Leading Manufacturer Capabilities
Top-tier TCCA producers demonstrate the following operational characteristics:
- Annual Production Capacity: 30,000-100,000+ metric tons
- Product Forms: Powder, granules (8-60 mesh), tablets (1g-200g)
- Packaging Options: 25kg bags, 50kg drums, 500kg/1000kg IBC containers
- Lead Time: 7-15 days for standard orders; 20-30 days for customized specifications
- Minimum Order Quantity: Typically 1-5 metric tons for bulk purchases
- Export Experience: Established logistics networks to 50+ countries
Bulk Supply Considerations for B2B Buyers
Quality Assurance Protocols
When evaluating TCCA suppliers, B2B buyers should verify:
Certificate of Analysis (CoA) Requirements:
- Batch-specific active chlorine content
- Moisture content verification
- Heavy metals testing (Pb, As, Hg, Cd)
- Particle size distribution
- pH value confirmation
- Stability test results
Third-Party Testing:
- SGS, BV, or Intertek inspection reports
- CMA/CNAS accredited laboratory certifications
- Pre-shipment sampling and testing protocols
Packaging and Logistics
Optimal packaging configurations for bulk TCCA shipments:
| Package Type | Net Weight | Suitable For | Shelf Life |
|---|---|---|---|
| PE Bag + Woven Bag | 25 kg | Standard bulk orders | 24 months |
| Plastic Drum | 50 kg | Humid climate regions | 24 months |
| Fiber Drum | 50 kg | Premium grade products | 24 months |
| IBC Container | 500-1000 kg | Large volume industrial | 24 months |
| Custom Tablets | 1g-200g | Swimming pool, sanitation | 36 months |
Pricing Structure Factors
TCCA bulk pricing is influenced by:
- Raw Material Costs: Cyanuric acid, chlorine, caustic soda market prices
- Production Scale: Economies of scale for orders exceeding 100 MT
- Product Specifications: Higher active chlorine content commands premium pricing
- Packaging Requirements: Custom packaging adds 5-15% to base price
- Shipping Terms: FOB, CIF, DDP arrangements affect landed costs
- Payment Terms: LC, TT, OA conditions influence pricing flexibility
Typical price ranges (2025-2026 market):
- Premium Grade (≥90%): USD 2,800-3,500/MT FOB China
- First Grade (≥89%): USD 2,500-3,000/MT FOB China
- Qualified Grade (≥88%): USD 2,200-2,700/MT FOB China
Application-Specific Recommendations
Swimming Pool and Spa Treatment
Recommended Specifications:
- Active Chlorine: ≥90%
- Form: Slow-dissolving tablets (20g, 200g)
- Dosage: 1-3 ppm free chlorine residual
- Frequency: Weekly or bi-weekly treatment
Key Advantages:
- Stabilized chlorine release prevents rapid degradation
- Minimal pH fluctuation compared to calcium hypochlorite
- Extended treatment intervals reduce labor costs
Drinking Water Disinfection
Recommended Specifications:
- Active Chlorine: ≥90%
- Certification: NSF/ANSI 60, WHO guidelines compliance
- Form: Powder or fine granules
- Dosage: 0.5-2.0 ppm depending on water quality
Regulatory Considerations:
- Maximum residual disinfectant level (MRDL): 4.0 ppm (US EPA)
- Cyanuric acid accumulation monitoring required
- Regular water quality testing mandatory
Industrial Circulating Water Systems
Recommended Specifications:
- Active Chlorine: ≥88-90%
- Form: Granules (20-60 mesh)
- Dosage: 2-10 ppm based on system volume and contamination level
- Application: Continuous or shock treatment
Performance Benefits:
- Effective against biofilm formation
- Compatible with most corrosion inhibitors
- Cost-effective compared to continuous chlorination
Agriculture and Aquaculture
Recommended Specifications:
- Active Chlorine: ≥88%
- Form: Powder or soluble granules
- Application: Pond disinfection, equipment sanitation, disease prevention
- Dosage: 0.5-5.0 ppm depending on application
Safety Protocols:
- Pre-treatment water testing required
- Adequate aeration during application
- Harvest interval compliance for aquaculture
Supplier Evaluation Checklist
Technical Capability Assessment
- Production capacity verification (annual output)
- Quality control laboratory accreditation
- Product range and customization options
- R&D investment and new product development
- Technical support and application expertise
Compliance and Certification Review
- ISO 9001/14001 certification validity
- REACH registration status (for EU markets)
- EPA/FDA registrations (for US markets)
- Export license and customs compliance
- Safety data sheet (SDS) accuracy and completeness
Commercial Terms Evaluation
- Pricing competitiveness and transparency
- Payment terms flexibility
- Delivery lead time reliability
- After-sales service commitment
- Claims and dispute resolution procedures
Supply Chain Reliability
- Raw material sourcing stability
- Production continuity track record
- Inventory management capabilities
- Emergency supply contingency plans
- Logistics partner network quality
Frequently Asked Questions (FAQ)
Q1: What is the typical shelf life of TCCA under proper storage conditions?
A: Premium-grade TCCA maintains ≥95% of its active chlorine content for 24 months when stored in original sealed packaging under cool (below 30°C), dry, and well-ventilated conditions. Moisture exposure is the primary degradation factor, making proper packaging integrity critical.
Q2: How does TCCA compare to sodium dichloroisocyanurate (SDIC) in terms of performance?
A: TCCA offers higher active chlorine content (≥90% vs. 55-60% for SDIC), slower dissolution rate, and lower pH impact. However, SDIC demonstrates better solubility and faster action. TCCA is preferred for sustained disinfection applications, while SDIC suits rapid treatment scenarios.
Q3: What is the recommended sampling procedure for incoming TCCA shipments?
A: Follow ISO 2859-1 sampling standards:
- For batches ≤100 bags: Sample 10% of containers
- For batches >100 bags: Sample √n + 1 containers (n = total containers)
- Collect samples from top, middle, and bottom portions
- Combine samples for composite testing
- Retain reference samples for 6 months minimum
Q4: Can TCCA be used in combination with other water treatment chemicals?
A: TCCA is compatible with most coagulants, flocculants, and pH adjusters. However, avoid mixing with:
- Ammonia and ammonium compounds (forms explosive NCl₃)
- Strong reducing agents (sulfites, thiosulfates)
- Organic materials (fire hazard)
- Acids (accelerates decomposition)
Always conduct compatibility testing before implementing combination treatments.
Q5: What documentation is required for international TCCA shipments?
A: Standard export documentation includes:
- Commercial Invoice
- Packing List
- Certificate of Origin
- Certificate of Analysis (CoA)
- Material Safety Data Sheet (MSDS/SDS)
- Dangerous Goods Declaration (UN 2468, Class 5.1)
- Fumigation Certificate (if wooden packaging used)
- Import permits (destination country specific)
Q6: How should TCCA spills be handled in industrial settings?
A: Emergency spill response protocol:
- Evacuate non-essential personnel from affected area
- Wear appropriate PPE (chemical-resistant gloves, goggles, respirator)
- Contain spill with inert absorbent material (sand, vermiculite)
- Collect contaminated material in sealed containers
- Neutralize residual contamination with sodium thiosulfate solution
- Dispose according to local hazardous waste regulations
- Document incident and report to relevant authorities
Q7: What factors affect TCCA dissolution rate in water applications?
A: Key dissolution rate influencers:
- Water Temperature: Higher temperatures accelerate dissolution
- pH Level: Lower pH increases dissolution speed
- Water Hardness: High calcium/magnesium content slows dissolution
- Particle Size: Smaller particles dissolve faster
- Water Agitation: Increased circulation enhances dissolution
- Tablet Formulation: Binder composition affects release rate
Q8: Is TCCA suitable for organic farming and food processing applications?
A: TCCA applications in organic farming and food processing are subject to regional regulations:
- US: EPA-approved for certain food contact surface sanitizing
- EU: Restricted use; requires specific authorization
- Organic Certification: Generally not permitted in certified organic operations
- Food Processing: Acceptable for equipment sanitation with proper rinse protocols
Always verify compliance with local regulatory requirements before implementation.
Q9: What is the environmental impact of TCCA usage and how should wastewater be treated?
A: Environmental considerations:
- Aquatic Toxicity: Chlorine residuals toxic to aquatic life; dechlorination required before discharge
- Biodegradation: Cyanuric acid persists in environment; slow biodegradation
- Wastewater Treatment: Sodium thiosulfate or activated carbon for dechlorination
- Discharge Limits: Typically <0.5 ppm residual chlorine for municipal discharge
- Best Practices: Minimize overdosing; implement closed-loop systems where feasible
Q10: How can B2B buyers verify the authenticity and quality of TCCA from new suppliers?
A: Recommended verification steps:
- Request and verify business licenses and export certifications
- Obtain recent third-party inspection reports (SGS, BV, Intertek)
- Conduct factory audit (virtual or on-site)
- Order sample batches for independent laboratory testing
- Check references from existing international customers
- Verify REACH/EPA registration numbers with respective authorities
- Review historical export customs data for consistency
- Establish clear quality specifications in purchase contracts with penalty clauses
Conclusion
Selecting the right TCCA manufacturing partner requires comprehensive evaluation of technical capabilities, quality assurance systems, regulatory compliance, and commercial terms. The information presented in this guide provides B2B buyers with a structured framework for assessing potential suppliers and making informed procurement decisions.
As the global demand for effective disinfection solutions continues to grow, partnering with established, certified TCCA manufacturers ensures reliable supply, consistent quality, and regulatory compliance across diverse application sectors.
For detailed product specifications, customized bulk pricing, and technical consultation, professional manufacturers stand ready to support your procurement requirements with comprehensive solutions tailored to your specific application needs.
