AR Grade Sulfuric Acid
Analytical Premium
Analytical Reagent

AR Grade Sulfuric Acid (H₂SO₄)

Ultra-pure Analytical Reagent grade sulfuric acid manufactured to meet stringent ACS specifications for precise analytical procedures, acid digestions, and high-accuracy laboratory work. Our AR grade H₂SO₄ delivers exceptional purity and strong acid performance for critical analytical applications.

  • 95-98% Analytical Grade Concentration
  • ACS Grade Standards Compliance
  • Ultra-Low Metal Impurities (≤0.0000005%)
  • Traceable Certificate of Analysis
  • Superior Dehydrating Properties (18.0M)
  • Research Grade Quality & Acid Strength
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Technical Specifications

Chemical Formula: H₂SO₄
CAS Number: 7664-93-9
EINECS Number: 231-639-5
Concentration (Assay): 95-98% (ACS Grade)
Physical State: Clear, colorless, oily liquid
Density (20°C): 1.84 g/cm³
Molecular Weight: 98.08 g/mol
Boiling Point: 337°C (98% solution)
Melting Point: 10.4°C (98% solution)
Vapor Pressure (20°C): < 0.001 mmHg
Residue on Ignition: ≤ 0.00005%
Chloride (Cl): ≤ 0.00001%
Iron (Fe): ≤ 0.000002%
Heavy Metals (as Pb): ≤ 0.0000005%
Nitrate (NO₃): ≤ 0.000002%
Substances Reducing KMnO₄: ≤ 0.0001%
Arsenic (As): ≤ 0.0000001%
UN Number: UN 1830 (Sulfuric acid)
Packaging Options: 500ml, 1L, 2.5L amber glass bottles

Applications

Acid Digestion & Mineralization
Dehydration Reactions
Analytical Titrations
Elemental Analysis (ICP-MS/AAS)
Sample Preparation
Chemical Synthesis
Environmental Analysis
University Laboratories
Pharmaceutical Analysis
Quality Control Testing
Geological Sample Analysis
Reference Standards

Industry-Specific Grades

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

AR Grade (Analytical Reagent)
Assay: 95-98% Residue: ≤ 0.00005% Heavy Metals: ≤ 0.0000005% Application: General analytical procedures
ACS Grade (Certified)
Assay: 95.0-98.0% Iron: ≤ 0.000002% Chloride: ≤ 0.00001% Application: ACS certified analytical work
Trace Metal Grade
Assay: 96-98% Metal Impurities: ≤ 0.01 ppm each Total Metals: ≤ 0.1 ppm Application: ICP-MS, AAS analysis
Ultra-Pure Grade
Assay: 96-98% Particle Count: ≤ 50 per mL Organics: ≤ 0.1 ppm Application: Semiconductor, microelectronics

Quality Standards

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

ISO 9001:2015 Certified Manufacturing
ACS Grade Specifications
95-98% Accurate Concentration
Advanced Analytical Testing
Superior Dehydrating Power
Batch-to-Batch Consistency
Traceable Certificate of Analysis
Temperature-Controlled Logistics

Advanced Chemical Properties & Performance

AR Grade Sulfuric Acid exhibits exceptional chemical properties essential for analytical applications. Its ultra-pure composition and precise concentration ensure reliable performance in demanding acid procedures and analytical determinations.

Acid Properties
Acid Strength (pKa1): -3 (strong acid)
Normality (98% solution): 36.0 N
Molarity (98% solution): 18.0 M
Dehydrating Power: Exceptional affinity for water
Physical Properties
Boiling Point (98%): 337°C
Freezing Point (98%): 10.4°C
Viscosity (25°C): 26.7 mPa·s
Surface Tension: 73.4 mN/m (25°C)
Analytical Performance
Digestion Efficiency: 99.9%+ for organic matrices
Titration Accuracy: ±0.01% relative
Blank Value: ≤ 0.001 meq/g
Metal Recovery: 98-102% for trace elements
Purity Specifications
Total Impurities: ≤ 0.0001%
Organic Impurities: ≤ 0.00001%
Water Content: 2-5% (for 98% H₂SO₄)
Color (APHA): ≤ 10
Stability Properties
Shelf Life: 5 years (unopened)
Thermal Stability: Stable up to 300°C
Chemical Stability: Stable under normal conditions
Container Compatibility: Glass, PTFE-lined containers

Performance Characteristics

Detailed performance metrics demonstrate AR Grade H₂SO₄ superiority in analytical applications with exceptional acid strength, dehydrating power, and reproducibility across diverse analytical procedures and testing protocols.

Digestion Performance

Efficiency: 99.9%+ complete acid digestion

Superior acid dissolution capability
Titration Accuracy

Precision: ±0.01% relative standard deviation

Exceptional analytical precision
Dehydration Power

Water affinity: Complete moisture removal

Superior dehydrating characteristics
Temperature Range

Working range: 20-300°C operational

Versatile temperature application
Batch Reproducibility

Variation: ±0.05% between batches

Outstanding lot-to-lot consistency
Shelf Stability

5 years under proper storage conditions

Extended analytical grade integrity

Safety Information

Highly corrosive acid that causes severe burns and generates significant heat upon dilution. Handle in well-ventilated areas with appropriate protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Always add acid to water, never water to acid. Ensure emergency procedures are in place.

Corrosive
Heat Generation
Eye/Skin Damage

Storage & Handling

Store in original glass containers in a cool, dry, well-ventilated area away from organic materials and metals. Keep containers tightly closed and use corrosion-resistant storage equipment. Ensure proper acid vapor management and secondary containment systems.

Cool storage (15-25°C)
Acid vapor extraction required
Glass containers only
Secondary containment required

Chemical Mechanisms & Reaction Pathways

Sulfuric acid exhibits strong acid and dehydrating properties through multiple mechanisms, enabling complete acid digestion and precise analytical applications with predictable reaction pathways.

Acid-Base Reactions

Complete ionization: H₂SO₄ → H⁺ + HSO₄⁻ → 2H⁺ + SO₄²⁻

Diprotic acid with strong first ionization
Dehydration Reactions

Water removal from organic compounds and hydrated salts

Essential for anhydrous analytical conditions
Sulfonation Reactions

Electrophilic substitution with aromatic compounds

Controlled derivatization for analysis
Metal Dissolution

Proton-assisted metal dissolution and salt formation

Complete matrix destruction for analysis

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 6353 Standard

International standard for reagent specifications and testing

USP Grade Available

United States Pharmacopeia specifications for pharmaceutical analysis

REACH Registration

European Union chemical regulation compliance

EPA Method Support

Validated for EPA environmental analytical methods

SDS Documentation

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

Technical Support & Value-Added Services

DRAVYOM's analytical chemistry team provides comprehensive acid method support, troubleshooting assistance, and analytical services to optimize AR Grade H₂SO₄ performance in your specific analytical applications.

Acid Method Development
  • Acid digestion optimization protocols
  • Dehydration method development
  • Concentration and dilution guidance
  • Temperature control optimization
Analytical Services
  • Certificate of Analysis verification
  • Custom purity analysis
  • Trace metal contamination testing
  • Acid strength validation
Technical Support
  • Analytical troubleshooting consultation
  • Safe handling and dilution training
  • Method transfer support
  • Laboratory safety protocols
Supply Solutions
  • Consistent high-concentration batching
  • Emergency supply arrangements
  • Custom packaging solutions
  • Global distribution network

Environmental Impact & Sustainability

Our AR Grade H₂SO₄ production emphasizes environmental responsibility through sustainable manufacturing practices, SO₂ emission control, and comprehensive environmental impact management for analytical laboratory operations.

SO₂ Emission Control

Advanced scrubbing systems for sulfur dioxide capture

Acid Recovery

Spent acid regeneration and concentration programs

Clean Production

Energy-efficient contact process with emission controls

Safe Neutralization

Comprehensive neutralization and disposal guidance

ISO 14001

Environmental management system certified production

Container Recycling

Glass container return and recycling programs

Manufacturing Excellence & Quality Control

DRAVYOM's state-of-the-art analytical reagent manufacturing facility employs advanced contact process technology with continuous monitoring systems to ensure consistent AR Grade H₂SO₄ quality and performance across all production batches.

Production Process

Double absorption contact process with ultra-pure sulfur trioxide

Precise concentration control and purification
Quality Testing

22-point analytical testing protocol including metals, organics, and trace impurities

ICP-MS verification and conductometric analysis
Quality Systems

ISO 9001:2015 quality management with analytical laboratory accreditation

Continuous improvement and method validation
Packaging Control

Borosilicate glass containers with corrosion-resistant closures

Chemical compatibility and contamination prevention

Market Applications & Performance Data

Comprehensive analytical laboratory data demonstrating AR Grade H₂SO₄ effectiveness across diverse applications with quantified performance metrics and analytical method validations.

Acid Applications
Precision: ±0.01% RSD in titrations Dehydration: 100% moisture removal Digestion: 99.9%+ efficiency
Research Institutions
Publication Support: 600+ cited methods Reproducibility: >99.8% inter-lab agreement Innovation: Advanced acid protocols
Quality Control Labs
Reliability: 99.9% batch consistency Audit Success: 100% regulatory compliance Efficiency: 35% faster acid procedures

DRAVYOM Competitive Advantages

Superior Acid Strength

Consistently exceeds ACS specifications with exceptional dehydrating and acid performance for analytical applications

Reliable Supply

Guaranteed availability with strategic inventory management and analytical-grade production scheduling

Analytical Expertise

Dedicated analytical chemistry team provides acid method development and troubleshooting support

Quality Assurance

Traceable certificates with comprehensive analytical data and acid method validation support

Global Standards

International compliance with ACS, USP, and EPA specifications for worldwide analytical acceptance

Partnership Approach

Collaborative relationships with analytical laboratories and custom acid method development services