Disodium Hydrogen Phosphate - L.R. Grade Chemical Structure
Laboratory Buffer Agent
Laboratory Reagent

LR Grade Disodium Hydrogen Phosphate (Na₂HPO₄·12H₂O)

Laboratory Reagent grade disodium hydrogen phosphate manufactured for general laboratory procedures, educational applications, and routine chemical processing. Our LR grade Na₂HPO₄·12H₂O provides reliable buffering agent for standard laboratory work, teaching applications, and analytical procedures.

  • 99.5% Laboratory Grade Purity
  • Excellent Buffering Agent
  • Educational & Training Applications
  • pH Control
  • Cost-Effective Laboratory Solution
  • Consistent Quality & Performance

Technical Specifications

Chemical Formula: Na₂HPO₄·12H₂O
CAS Number: 10039-32-4
EINECS Number: 231-448-7
Concentration (Assay): 99.5% (LR Grade)
Physical State: White crystalline solid
Density (20°C): 1.52 g/cm³
Molecular Weight: 358.14 g/mol (dodecahydrate)
Decomposition Temperature: 100°C (loses water)
pH (5% solution): 8.7 - 9.3
Water Insoluble Matter: ≤ 0.005%
Chloride (Cl): ≤ 0.001%
Iron (Fe): ≤ 0.0005%
Heavy Metals (as Pb): ≤ 0.001%
Solubility in Water: 11.8 g/100ml (20°C)
Loss on Drying: 60.0-61.0% (dodecahydrate)
Packaging Options: 500g, 1kg, 2.5kg containers

Applications

Educational Laboratories
Buffer Preparation
Phosphate Buffer Systems
pH Control
Analytical Chemistry
Biochemical Experiments
Water Treatment
Precipitation Reactions
Plant Tissue Culture
Quality Control Testing

Industry-Specific Grades

DRAVYOM offers specialized disodium hydrogen phosphate grades tailored for different laboratory and analytical requirements, ensuring optimal performance and safety across diverse buffer and biochemical applications.

LR Grade (Laboratory Reagent)
Assay: 99.5% Water Insoluble: ≤ 0.005% Heavy Metals: ≤ 0.001% Application: General laboratory, educational use
Buffer Grade
Assay: 99.8% pH consistency: High Low trace metals Application: Buffer preparations
Educational Grade
Assay: 99.0% Safety: Enhanced packaging Documentation: Complete SDS Application: Teaching institutions
Biochemical Grade
Assay: 99.9% Ultra-low DNase/RNase Cell culture tested Application: Life sciences

Quality Standards

DRAVYOM's LR Grade Disodium Hydrogen Phosphate is manufactured under stringent quality control protocols, meeting international standards for laboratory and educational applications. Our production ensures consistent buffer performance and pH stability.

ISO 9001:2015 Certified Manufacturing
Laboratory Reagent Standards
99.5% Reliable Purity
pH Buffering Tested
Educational Grade Compliance
Consistent Buffer Performance
Certificate of Analysis
Safe Transportation Standards

Advanced Chemical Properties & Performance

LR Grade Disodium Hydrogen Phosphate exhibits excellent buffering properties and pH control characteristics, making it suitable for educational demonstrations and general laboratory applications requiring controlled pH environments and phosphate buffer systems.

Buffer Properties
pKa Value: 7.2 (second ionization)
Buffer Range: pH 6.2-8.2 (optimal 7.2)
Buffer Capacity: Excellent in physiological range
Ionic Strength: Contributes to solution ionic strength
Chemical Properties
Formula: Na₂HPO₄ (anhydrous)
Molecular Weight: 141.96 g/mol
Ionization: HPO₄²⁻ ⇌ H⁺ + PO₄³⁻
Stability: Stable in neutral solutions
Physical Properties
Melting Point: Decomposes above 250°C
Solubility: 77.3 g/100ml water (25°C)
pH (0.1M solution): 9.0-9.4
Appearance: White crystalline powder

Performance Characteristics

Performance metrics demonstrate LR Grade Disodium Hydrogen Phosphate reliability in educational and general laboratory applications with consistent buffering performance and pH control for routine procedures.

Buffer Performance

Effectiveness: Excellent pH control

Consistent buffering capacity
Educational Suitability

Safety: Safe for educational demonstrations

Ideal for teaching pH concepts
Biological Performance

Compatibility: Biological system compatible

Suitable for biochemistry studies
Cost Performance

Economics: Excellent cost-effectiveness

Budget-friendly buffer option

Safety Information

Generally safe inorganic salt with minimal health risks. Handle with basic protective equipment to prevent dust inhalation and eye contact. Non-toxic at typical concentrations. Safe for educational use with standard laboratory safety protocols for handling salts.

Low Toxicity
Eye Protection
Educational Safety

Storage & Handling

Store in original containers in a cool, dry area protected from moisture and incompatible materials. Keep containers tightly closed to prevent caking and contamination. Use standard inorganic salt storage protocols and maintain proper inventory management.

Store at room temperature
Protect from moisture
Separate from acids
Keep tightly sealed

Chemical Mechanisms & Reaction Pathways

Disodium hydrogen phosphate exhibits buffer and phosphate chemistry properties through multiple reaction pathways, making it suitable for educational demonstrations and general laboratory applications requiring controlled pH buffering and phosphate reactions.

Buffer System

Forms phosphate buffer system: HPO₄²⁻ ⇌ H₂PO₄⁻ + OH⁻

Essential for pH control applications
Acid-Base Reactions

Participates in acid-base equilibria and titrations

Important for analytical chemistry studies
Precipitation Reactions

Forms insoluble phosphates with metal cations

Demonstrates solubility principles
Complex Formation

Forms complexes and coordination compounds

Essential for coordination chemistry education

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures safe use of inorganic salts in educational and laboratory environments with complete documentation supporting institutional safety requirements.

Educational Standards

Compliance with educational institution safety for inorganic salts

Safety Classification

Proper hazard classification and handling protocols

Laboratory Compliance

Occupational safety standards for laboratory chemicals

Transportation

Standard classification for chemical transport

Technical Support & Value-Added Services

DRAVYOM's educational and laboratory support team provides comprehensive guidance for buffer system preparation and technical assistance for LR Grade Disodium Hydrogen Phosphate applications.

Educational Support
  • Buffer system training programs
  • pH control experiment development
  • Student safety protocol guidance
  • Analytical chemistry training
Buffer Services
  • Buffer preparation guidance
  • pH optimization consultation
  • Stability monitoring support
  • Quality control assistance

Environmental Impact & Sustainability

Our LR Grade Disodium Hydrogen Phosphate production emphasizes environmental responsibility with sustainable phosphate sourcing and comprehensive environmental impact management for educational and laboratory operations.

Sustainable Sourcing

Environmentally responsible phosphate mineral processing

Educational Sustainability

Supporting sustainable chemistry education and buffer systems

Safe Disposal

Disposal guidance for phosphate waste management

Container Programs

Container return and recycling programs

Manufacturing Excellence & Quality Control

DRAVYOM's laboratory reagent manufacturing facility employs controlled production technology for consistent LR Grade Disodium Hydrogen Phosphate quality and buffer performance across all production batches.

Production Process

Controlled crystallization with purity and hydration management

Consistent quality and buffer properties
Buffer Testing

pH capacity verification and purity testing protocols

Regular buffer performance monitoring
Quality Systems

Enhanced quality protocols for laboratory salt production

Comprehensive quality management systems

Market Applications & Performance Data

Comprehensive laboratory data demonstrating LR Grade Disodium Hydrogen Phosphate effectiveness across educational and buffer applications with reliable pH control and stability metrics.

Educational Institutions
Safety Record: 99.9% incident-free handling Performance: Consistent buffer demonstrations Cost Efficiency: 38% more economical vs higher grades
Buffer Laboratories
Buffer Performance: Reliable pH control Quality: Meets analytical standards Customer Satisfaction: 96% user approval rate

DRAVYOM Competitive Advantages

Buffer System Expertise

Specialized knowledge in buffer chemistry and pH control for educational environments

Educational Focus

Dedicated support for educational institutions with buffer system training

Quality Leadership

Enhanced quality protocols for analytical salt production

Reliable Supply

Consistent availability with educational institution programs and buffer expertise

Quality Consistency

Consistent buffer performance with certificates for laboratory requirements

Partnership Approach

Long-term relationships with educational institutions and buffer support