Thiourea - AR Grade Chemical Structure
AR Grade Premium
Analytical Reagent

AR Grade Thiourea

Premium analytical reagent grade thiourea engineered for demanding laboratory applications including analytical procedures, metal complexation, and precision laboratory synthesis. Our CH₄N₂S delivers exceptional purity, consistent performance, and reliable supply for critical analytical methods requiring superior reducing agent properties with stringent quality control standards.

  • 99% Minimum Purity
  • Reducing Agent Applications
  • Metal Complexation Reagent
  • Consistent Batch-to-Batch Quality
  • Laboratory Synthesis
  • Analytical Applications
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Technical Specifications

Chemical Formula: CH₄N₂S
CAS Number: 62-56-6
Concentration (Assay): ≥99.0% (AR Grade)
Physical State: White crystalline powder
Molecular Weight: 76.12 g/mol
Melting Point: 176-178°C
Solubility in Water: 137 g/100mL (20°C)
pH (5% solution): 4.0-7.0
Loss on Drying: ≤0.5%
Insoluble Matter: ≤0.005%
Heavy Metals (as Pb): ≤0.001%
Residue on Ignition: ≤0.1%
Storage Temperature: Room temperature
Packaging Options: 25g, 100g, 500g bottles

Applications

Reducing Agent
Metal Complexation
Analytical Chemistry
Laboratory Synthesis
Precipitation Reactions
Silver Ion Masking
Quality Control
Educational Laboratories
Research Applications
Electrochemistry
Photographic Chemistry
Pharmaceutical Research

Industry-Specific Grades

DRAVYOM offers specialized thiourea grades tailored for specific analytical requirements, ensuring optimal performance and regulatory compliance across diverse laboratory and research applications.

AR Grade (Analytical Reagent)
Assay: ≥99.0% Insoluble: ≤0.005% Heavy Metals: ≤0.001% Application: General analytical work
ACS Grade
Assay: 99.0-100.5% Loss on Drying: ≤0.5% Residue: ≤0.1% Application: ACS certified work
Complexometric Grade
Metal Complexation: Optimized Interference: Minimized Selectivity: Enhanced Application: Metal analysis
Research Grade
Purity: Ultra-high Impurities: Characterized Documentation: Detailed Application: Research work

Quality Standards

DRAVYOM's AR Grade Thiourea is manufactured under stringent quality control protocols, meeting international analytical standards including ACS, ISO, and research-grade specifications. Our analytical-grade production ensures consistent performance and regulatory compliance.

ISO 9001:2015 Certified Manufacturing
ACS Grade Specifications
≥99.0% Assay Purity
Advanced Analytical Testing
Superior Reducing Properties
Batch-to-Batch Consistency
Traceable Certificate of Analysis
Controlled Storage Conditions

Advanced Chemical Properties & Performance

AR Grade Thiourea exhibits exceptional analytical properties essential for analytical applications and metal ion complexation. Its ultra-pure composition and consistent reducing characteristics ensure reliable performance in demanding analytical procedures and complexometric protocols.

Chemical Properties
Molecular Formula: NH₂CSNH₂
Molecular Weight: 76.12 g/mol
Functional Groups: Thioamide (-CS-NH₂)
Complexing Agent: Metal ion chelation
Physical Properties
Appearance: White crystalline powder
Melting Point: 176-178°C
Solubility (20°C): 137 g/L in water
Density: 1.41 g/cm³
Analytical Properties
Metal Complexation: Cu²⁺, Ag⁺, Hg²⁺ selective
Reducing Agent: Mild reducing properties
Precipitation Reagent: Heavy metal separation
pH Range: Effective 2-10
Purity Specifications
Chemical Purity: ≥99.0%
Water Content: ≤0.5%
Heavy Metals: ≤10 ppm
Residue on Ignition: ≤0.1%
Stability Properties
Shelf Life: 3 years (unopened)
Solution Stability: 1 week at room temperature
Oxidation Sensitivity: Slow air oxidation
Light Stability: Stable under normal light

Performance Characteristics

Detailed performance metrics demonstrate AR Grade Thiourea superiority in analytical applications with exceptional complexing properties, selective metal binding, and reproducibility across diverse analytical procedures and metal determination protocols.

Complexation

Selectivity: Cu²⁺, Ag⁺, Hg²⁺

Selective metal binding
Precipitation

Efficiency: >95% heavy metals

Effective separation agent
Solubility

Water: 137 g/L at 20°C

Good aqueous solubility
Temperature Range

Working: 20-60°C effective

Wide working temperature
Reproducibility

RSD: ≤0.2% between batches

Good lot consistency
Solution Stability

Aqueous: 1 week room temperature

Reasonable working stability

Safety Information

Potentially harmful compound that may cause skin and eye irritation. Suspected of causing genetic defects and reproductive harm. Handle with appropriate protective equipment including gloves, safety goggles, and use in well-ventilated areas. Avoid dust inhalation and skin contact.

Health Hazard
Eye Protection
Protective Gloves

Storage & Handling

Store in original containers in a cool, dry place with adequate ventilation. Keep containers tightly closed and use in fume hood when possible. Handle with enhanced safety protocols due to potential health hazards.

Cool, dry storage
Well-ventilated area
Original containers only
Enhanced safety protocols

Chemical Mechanisms & Reaction Pathways

Thiourea exhibits controlled nucleophilic and reducing properties through sulfur-centered reactions, making it suitable for analytical applications requiring metal complexation, reduction reactions, and specialized organic synthesis procedures.

Metal Complexation

Sulfur and nitrogen donor atoms forming stable chelate complexes

Selective metal ion coordination
Reducing Properties

Electron donation capability for reduction of metal ions

Controlled reduction reactions
Nucleophilic Substitution

Nucleophilic attack through sulfur and nitrogen centers

Organic synthesis applications
pH-Dependent Behavior

Protonation state affecting reactivity and solubility

Controlled analytical conditions
Redox Chemistry

Oxidation to disulfide enabling redox analytical methods

Analytical redox applications

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures global analytical laboratory access with complete documentation packages supporting international standards and analytical method validations.

ACS Specifications

American Chemical Society analytical reagent standards compliance

ISO 3696 Standard

International standard for analytical grade reagent specifications

Research Grade

High-purity specifications for analytical and synthesis applications

REACH Registration

European Union chemical regulation compliance

Method Support

Standard protocols for analytical and synthesis applications

SDS Documentation

Multi-language Safety Data Sheets (16 sections, GHS compliant)

Technical Support & Value-Added Services

DRAVYOM's analytical chemistry team provides comprehensive thiourea application support, troubleshooting assistance, and analytical services to optimize performance in your specific analytical procedures.

Analytical Method Development
  • Metal complexation optimization
  • Reduction reaction protocols
  • Synthesis method development
  • Purification procedures
Analytical Services
  • Purity verification analysis
  • Impurity profiling
  • Thermal stability testing
  • Method validation support
Custom Solutions
  • Specialty purification grades
  • Custom packaging options
  • Analytical method transfer
  • Technical troubleshooting

Environmental Impact & Sustainability

DRAVYOM is committed to sustainable thiourea production and responsible environmental stewardship, implementing advanced technologies and green chemistry principles throughout the manufacturing process.

Production Sustainability
  • High-efficiency synthesis technology
  • Heat integration and energy recovery
  • Catalyst regeneration and recycling
  • Waste solvent recovery and reuse
  • Carbon footprint minimization
Environmental Protection
  • Advanced emission control systems
  • Closed-loop water systems
  • Solvent vapor recovery
  • Groundwater protection measures
  • Environmental management systems
Process Innovation
  • Green synthesis methodology
  • Advanced catalyst systems
  • Energy-efficient purification methods
  • Waste minimization strategies
  • Green chemistry integration

Manufacturing Excellence & Quality Control

DRAVYOM's state-of-the-art thiourea manufacturing facilities employ advanced synthesis technology and comprehensive quality assurance systems to ensure consistent, high-purity analytical reagent production.

Advanced Production Technology
  • Controlled crystallization processes
  • Advanced purification systems
  • Multi-stage recrystallization
  • Automated process control systems
  • Predictive maintenance programs
Quality Control Systems
  • Automated purity analysis (HPLC)
  • ICP-MS trace metal determination
  • Moisture content analysis (Karl Fischer)
  • Particle size and crystal form analysis
  • Statistical process control
Certifications & Standards
  • ISO 9001:2015 Quality Management
  • ISO 14001:2015 Environmental Management
  • OHSAS 18001 Occupational Health & Safety
  • ACS reagent grade certification
  • GMP compliance for analytical reagents

Market Applications & Performance Data

DRAVYOM's AR thiourea has proven performance across demanding analytical applications, with extensive field data demonstrating superior reducing capability and consistent analytical results in laboratory synthesis and metal complexation studies.

Metal Complexation Performance
Silver ion masking efficiency: 99%+ Copper complexation constant: 1.2 × 10⁶ Detection limit improvement: 10-fold
Reduction Reaction Data
Reduction potential: -0.42 V vs SHE Reaction completion time: < 15 minutes Quantitative reduction yield: 98%+
Analytical Method Results
Method precision (RSD): ≤ 2.0% Analytical recovery: 98-102% Stability in solution: > 30 days

DRAVYOM Competitive Advantages

Choose DRAVYOM for analytical reagent thiourea solutions that deliver superior performance, reliability, and value. Our commitment to excellence and innovation sets us apart in the analytical chemistry industry.

Exceptional Purity

Consistent ≥99% purity with minimal impurities, exceeding ACS specifications for demanding analytical and reducing agent applications.

Advanced Manufacturing

State-of-the-art crystallization technology with multi-stage purification ensuring maximum quality and environmental compliance.

Safety Leadership

Industry-leading safety protocols and handling procedures with comprehensive training programs for analytical reagent management.