Lr Liquid Nitrogen
Laboratory Ultra-Cold
Laboratory Reagent

Liquid Nitrogen (N₂)

Laboratory grade liquid nitrogen manufactured for ultra-low temperature applications, cryogenic storage, and specialized research procedures. Our liquid N₂ provides consistent -196°C temperatures for advanced laboratory operations and sample preservation.

  • Ultra-Low Temperature (-196°C)
  • Cryogenic Storage Applications
  • Sample Preservation & Banking
  • Advanced Research Use
  • Inert Atmosphere Protection
  • High Purity Grade
Request Quote Technical Support

Technical Specifications

Chemical Formula: N₂
CAS Number: 7727-37-9
Physical State: Cryogenic liquid
Purity: ≥ 99.5% (LR Grade)
Boiling Point: -195.8°C (-320.4°F)
Freezing Point: -210.0°C (-346.0°F)
Density (liquid): 0.808 g/cm³ at -195.8°C
Expansion Ratio: 1:694 (liquid to gas)
Molecular Weight: 28.014 g/mol
Vapor Pressure: 1.013 bar at -195.8°C
Oxygen Content: ≤ 5 ppm
Water Content: ≤ 10 ppm
Carbon Dioxide: ≤ 10 ppm
Hydrocarbons: ≤ 5 ppm
Storage: Cryogenic dewars, vented containers
Packaging Options: 5L, 10L, 25L dewars

Applications

Educational Laboratories
Cryogenic Cooling
Sample Preservation
Tissue Freezing
Cryogenic Storage
Teaching Demonstrations
Freeze Drying
Chemical Reactions
Equipment Cooling
Quality Control
Inert Atmosphere
Student Experiments

Industry-Specific Grades

DRAVYOM offers specialized liquid nitrogen grades tailored for different laboratory and educational requirements, ensuring optimal cryogenic performance and cost-effectiveness across diverse cooling and preservation applications.

LR Grade (Laboratory Reagent)
Purity: ≥ 99.5% Oxygen: ≤ 5 ppm Water: ≤ 10 ppm Application: General laboratory, educational use
Research Grade
Purity: ≥ 99.8% Ultra-low impurities Consistent quality Application: Advanced research
Technical Grade
Purity: ≥ 99.0% Cost-effective solution Industrial applications Application: Cooling, preservation
Pharmaceutical Grade
Purity: ≥ 99.9% Ultra-pure quality Pharmaceutical compliant Application: Drug preservation

Quality Standards

DRAVYOM's LR Grade Liquid Nitrogen is manufactured under stringent quality control protocols, meeting laboratory reagent specifications for educational and research applications. Our production ensures consistent cryogenic performance and safety compliance.

ISO 9001:2015 Certified Manufacturing
Laboratory Reagent Standards
≥ 99.5% Cryogenic Purity
Impurity Analysis Protocol
Educational Grade Compliance
Consistent Cooling Performance
Certificate of Analysis
Specialized Cryogenic Transportation

Advanced Chemical Properties & Performance

LR Grade Liquid Nitrogen exhibits excellent cryogenic properties and chemical inertness through its diatomic molecular structure, making it suitable for low-temperature applications, sample preservation, and educational demonstrations requiring reliable cryogenic performance.

Cryogenic Properties
Boiling Point: -195.8°C (77.3 K)
Freezing Point: -210.0°C (63.1 K)
Critical Temperature: -146.9°C (126.2 K)
Expansion Ratio: 1:694 (liquid to gas)
Chemical Properties
Molecular Formula: N₂ (diatomic)
Chemical Reactivity: Extremely inert
Bond Strength: Triple bond (N≡N)
Oxidation State: Zero (elemental nitrogen)
Physical Properties
Density (liquid): 0.808 g/cm³ (-195.8°C)
Viscosity: 0.158 mPa·s (liquid)
Dielectric Constant: 1.4 (liquid)
Molecular Weight: 28.01 g/mol

Performance Characteristics

Performance metrics demonstrate LR Grade Liquid Nitrogen reliability in cryogenic, preservation, and educational applications with consistent cooling performance and chemical inertness for laboratory procedures.

Cooling Performance

Effectiveness: Rapid temperature reduction

Excellent for cryogenic applications
Sample Preservation

Reliability: Long-term storage capability

Ideal for biological samples
Chemical Inertness

Stability: No chemical interactions

Perfect for sensitive materials
Educational Use

Safety: Controlled demonstration protocols

Supervised cryogenic demonstrations

Safety Information

Extremely cold liquid that can cause severe frostbite and tissue damage upon contact. Can cause asphyxiation in enclosed spaces due to oxygen displacement. Rapid expansion can cause pressure buildup. Handle only with appropriate cryogenic protective equipment. Critical for educational settings to maintain strict safety protocols and proper ventilation.

Extreme Cold
Asphyxiation Risk
Educational Safety

Storage & Handling

Store in specialized cryogenic containers (dewars) designed for liquid nitrogen. Use only in well-ventilated areas to prevent oxygen displacement. Handle with appropriate cryogenic gloves, face protection, and loose-fitting clothing. Never store in sealed containers due to pressure buildup risks.

Cryogenic dewars only
Excellent ventilation critical
Cryogenic PPE required
Never seal containers

Chemical Mechanisms & Reaction Pathways

Liquid nitrogen exhibits cryogenic and inert gas properties through extreme low-temperature phase behavior, making it suitable for specialized research applications requiring controlled cryogenic cooling and inert atmosphere under strict safety protocols.

Cryogenic Cooling

Provides ultra-low temperature cooling at -196°C (77K)

Essential for specialized cryogenic applications
Inert Atmosphere

Creates oxygen-free environment for sensitive reactions

Important for controlled atmosphere applications
Phase Transitions

Rapid phase changes demonstrating thermodynamic principles

Critical for physical chemistry studies
Preservation Applications

Used for rapid freezing and sample preservation

Essential for specialized research applications

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures safe use of cryogenic materials in specialized research environments with complete documentation supporting institutional safety and regulatory requirements.

Research Standards

Compliance with research institution safety for cryogenic materials

Cryogenic Classification

Specialized classification for cryogenic liquid handling

Safety Compliance

Occupational safety standards for cryogenic exposure

Transportation

UN1977 classification for cryogenic liquid transport

Technical Support & Value-Added Services

DRAVYOM's specialized cryogenic support team provides comprehensive guidance for safe handling of cryogenic materials and technical assistance for LR Grade Liquid Nitrogen applications under strict safety protocols.

Research Support
  • Cryogenic safety training programs
  • Specialized cooling development
  • Research safety protocol guidance
  • Emergency response procedures
Cryogenic Services
  • Storage system consultation
  • Safety equipment guidance
  • Handling procedure training
  • Ventilation requirements

Environmental Impact & Sustainability

Our LR Grade Liquid Nitrogen production emphasizes environmental responsibility with sustainable nitrogen sourcing and comprehensive environmental impact management for specialized research applications.

Air Separation

Environmentally responsible nitrogen production from atmospheric air

Research Sustainability

Supporting sustainable research practices with proper handling

Safe Evaporation

Controlled evaporation for environmental safety

Container Programs

Specialized cryogenic container return programs

Manufacturing Excellence & Quality Control

DRAVYOM's cryogenic manufacturing facility employs controlled air separation technology for consistent LR Grade Liquid Nitrogen quality and cryogenic performance under strict safety and environmental controls.

Air Separation Process

Advanced fractional distillation of atmospheric air

Consistent purity under strict safety protocols
Purity Testing

Oxygen content and impurity verification protocols

Regular purity and quality monitoring
Safety Systems

Enhanced safety protocols for cryogenic liquid production

Comprehensive safety and environmental management

Market Applications & Performance Data

Comprehensive research data demonstrating LR Grade Liquid Nitrogen effectiveness across specialized research applications with reliable cryogenic performance under strict safety protocols.

Research Institutions
Safety Record: 100% incident-free handling under protocols Performance: Consistent cryogenic cooling Compliance: Full safety documentation
Cryogenic Laboratories
Cooling Performance: Superior temperature control Safety: Meets specialized research standards Customer Satisfaction: 98% approval under safety protocols

DRAVYOM Competitive Advantages

Cryogenic Expertise

Specialized knowledge in cryogenic materials and safety protocols for research environments

Research Focus

Dedicated support for research institutions with cryogenic safety training

Safety Leadership

Enhanced safety protocols specifically designed for cryogenic materials

Reliable Supply

Consistent availability with research institution safety programs

Quality Consistency

Consistent cryogenic performance with full safety documentation

Partnership Approach

Long-term relationships with research institutions and specialized safety support