Hydrofluoric Acid (Electronic Grade) - Electronic Grade Chemical Structure
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Electronic Chemical

Hydrofluoric Acid (Electronic Grade)

Ultra-pure electronic grade hydrofluoric acid engineered for demanding semiconductor applications including silicon wafer etching, oxide layer removal, glass etching, and microelectronics fabrication. Our electronic-grade HF delivers exceptional purity, consistent etching performance, and reliable results for critical semiconductor processes requiring superior acid chemistry with stringent contamination control standards.

  • Electronic Grade 49% Purity
  • Ultra-Low Metal Content
  • Precision Etching Control
  • Semiconductor Compatible
  • Cleanroom Packaged
  • Oxide Removal Applications
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Technical Specifications

Chemical Formula: HF
CAS Number: 7664-39-3
EINECS Number: 231-634-8
Concentration (Electronic Grade): 48-50%
Physical State: Clear, colorless liquid
Density (20°C): 1.15-1.17 g/cm³
Molecular Weight: 20.01 g/mol
Boiling Point: 19.5°C (anhydrous)
pH (1% solution): ≤ 2.0
Residue on Evaporation: ≤ 0.005%
Chloride (Cl): ≤ 0.0001%
Sulfate (SO₄): ≤ 0.0001%
Metals (Individual): ≤ 0.1 ppm
Particles (≥0.5μm): ≤ 100 per mL
UN Number: UN 1790 (Hydrofluoric acid)
Packaging Options: 1L, 5L PTFE bottles, special hazmat packaging

Applications

Silicon Wafer Etching
Oxide Layer Removal
Surface Passivation
Microfabrication
Display Panel Processing
Solar Cell Manufacturing
Precision Cleaning
Semiconductor Fabrication
Optical Component Processing
MEMS Device Manufacturing
Chemical Vapor Deposition
Equipment Maintenance

Industry-Specific Grades

DRAVYOM offers specialized hydrofluoric acid grades tailored for different electronic manufacturing requirements, ensuring optimal etching performance and contamination control across critical semiconductor and electronics applications.

Semiconductor Grade (48-50%)
Purity: 48-50% HF Metals: ≤ 0.1 ppm each Particles: ≤ 100/mL (≥0.5μm) Application: Wafer processing
Display Grade
Concentration: 47-49% Residue: ≤ 0.005% Ionic Impurities: Ultra-low Application: LCD/OLED processing
Photovoltaic Grade
Concentration: 48-50% Silicon Compatible: Yes Trace Metals: Controlled Application: Solar cell manufacturing
Electronic Grade
Concentration: 45-50% Consistency: Batch-to-batch Safety: Enhanced packaging Application: General electronics etching

Quality Standards

DRAVYOM's Electronic Grade Hydrofluoric Acid is manufactured under stringent quality control protocols, meeting international semiconductor and electronics standards for critical etching applications. Our production ensures consistent performance and ultra-high purity.

ISO 9001:2015 Certified Manufacturing
SEMI Standards Compliance
48-50% Reliable Concentration
Advanced Purity Testing
Electronics Grade Compliance
Consistent Batch Quality
Certificate of Analysis
Safe Transportation Standards

Advanced Chemical Properties & Performance

Hydrofluoric Acid exhibits exceptional etching properties with hydrogen fluoride chemistry. Its unique ability to dissolve silica makes it indispensable for semiconductor manufacturing, providing superior glass etching, silicon wafer processing, and precision metal cleaning capabilities.

Chemical Properties
Chemical Formula: HF
Molecular Weight: 20.01 g/mol
Concentration Range: 1-70% aqueous solution
Reactivity: Highly reactive with silicates
Physical Properties
Appearance: Colorless fuming liquid
Density (48%): 1.15 g/cm³ at 20°C
Boiling Point (48%): 112°C
Vapor Pressure: 122 mmHg at 25°C
Etching Properties
Silicon Etch Rate: 1-10 μm/min (concentration dependent)
Glass Etching: Rapid silicate dissolution
Selectivity: High SiO2/Si3N4 selectivity
Surface Quality: Smooth, controlled etching
Quality Standards
Purity: ≥ 99.99% (electronics grade)
Metal Impurities: < 1 ppm total
Chloride Content: < 0.1 ppm
Particles: < 50 particles/ml (>0.1 μm)
Process Parameters
Temperature Range: 15-50°C (process dependent)
Etch Control: Time and concentration dependent
Compatibility: PTFE, PVDF equipment required
Shelf Life: 12 months in PTFE containers

Performance Characteristics

Performance metrics demonstrate Hydrofluoric Acid effectiveness in semiconductor manufacturing with superior etching selectivity, excellent process control, and outstanding surface quality for critical electronic applications.

Silicon Etching

Rate: 1-10 μm/min controlled etching

Precision semiconductor processing
Surface Quality

Finish: Ultra-smooth etched surfaces

Critical for device performance
Selectivity

Ratio: High SiO2/Si3N4 selectivity

Precise pattern transfer
Process Control

Precision: Concentration dependent control

Reproducible results
Purity Level

Grade: 99.99% electronics grade

Ultra-low contamination
Equipment Compatibility

Materials: PTFE/PVDF systems required

Specialized handling needed

Safety Information

EXTREMELY DANGEROUS - Causes severe burns and systemic toxicity. Penetrates skin and can cause delayed bone and organ damage. Requires specialized training, emergency procedures, and immediate medical attention for any exposure. Use only in properly equipped facilities with HF-specific safety protocols.

Extremely Toxic
Corrosive Burns
Systemic Toxicity

Storage & Handling

Store only in PTFE or specialized fluoropolymer containers in dedicated HF storage areas with specialized ventilation. Requires emergency shower/eyewash stations, calcium gluconate gel, and trained emergency response. Never store in glass or metal containers.

Store at 15-25°C
Specialized HF ventilation
PTFE containers only
Emergency protocols required

Chemical Mechanisms & Reaction Pathways

Electronic grade hydrofluoric acid demonstrates unique etching mechanisms through fluoride ion chemistry, enabling predictable silicon and glass dissolution with well-characterized selectivity properties for precise semiconductor manufacturing.

Silicon Etching

Controlled silicon dioxide dissolution: SiO₂ + 6HF → H₂SiF₆ + 2H₂O

Primary semiconductor etching mechanism
Selective Etching

High selectivity between different materials in semiconductor structures

Predictable precision etching
Glass Processing

Controlled glass surface modification and cleaning applications

Electronic substrate preparation
Surface Activation

Enhanced surface reactivity for subsequent processing steps

Reliable electronic manufacturing

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures safe use in electronic manufacturing with complete documentation packages supporting semiconductor industry standards and electronic safety requirements.

Electronic Standards

SEMI and semiconductor industry compliance standards

Safety Regulations

Extremely hazardous substance regulations and protocols

Facility Requirements

Specialized handling facility and emergency response protocols

International Standards

Global electronic manufacturing and chemical safety regulations

Documentation

Complete electronic-grade certifications and safety protocols

Transportation

Specialized hazardous material transportation protocols

Technical Support & Value-Added Services

DRAVYOM's electronic chemical support team provides comprehensive guidance, semiconductor expertise, and safety consulting to optimize hydrofluoric acid applications in electronic manufacturing.

Semiconductor Services
  • Etching process optimization
  • Concentration specification support
  • Selectivity enhancement guidance
  • Process integration consulting
Safety Services
  • Emergency response training
  • Safety protocol development
  • Facility safety assessment
  • Personal protective equipment guidance
Technical Testing
  • Etching rate characterization
  • Purity analysis and verification
  • Process compatibility studies
  • Quality control protocols
Supply Solutions
  • Electronic-grade packaging
  • Specialized logistics
  • Emergency response support
  • Custom concentration services

Environmental Impact & Sustainability

Our electronic grade hydrofluoric acid emphasizes responsible manufacturing and waste minimization through precision dosing, recycling programs, and advanced safety protocols supporting sustainable semiconductor manufacturing.

Waste Minimization

Precision application reducing chemical waste generation

Safe Handling

Advanced safety protocols minimizing environmental exposure risk

Process Efficiency

Optimized semiconductor manufacturing with minimal resource consumption

Neutralization Systems

Comprehensive waste treatment and neutralization protocols

Environmental Compliance

Strict adherence to environmental protection standards

Responsible Manufacturing

Supporting sustainable electronics manufacturing practices

Manufacturing Excellence & Quality Control

DRAVYOM's specialized electronic chemical manufacturing facility employs ultra-pure processing technology and stringent quality monitoring systems to ensure consistent electronic-grade hydrofluoric acid quality and semiconductor performance.

Ultra-Pure Production

Advanced purification with controlled impurity levels

Electronic grade excellence
Quality Testing

Comprehensive testing including purity, trace metals, and semiconductor compatibility

Rigorous electronic standards
Quality Systems

ISO 9001:2015 and semiconductor industry certified operations

Electronic manufacturing excellence
Specialized Packaging

PTFE-lined containers with ultra-clean packaging protocols

Maintaining electronic grade purity

Market Applications & Performance Data

Comprehensive performance data demonstrating electronic grade hydrofluoric acid effectiveness across semiconductor applications with validated etching precision and superior electronic compatibility.

Semiconductor Etching
Etch Rate: Precise control with reproducible results Selectivity: >100:1 SiO₂:Si selectivity ratios Uniformity: ±2% etch rate variation across wafers
Display Manufacturing
Glass Etching: Clean, precise edge definition Surface Quality: Optical-grade surface finish Process Control: Consistent manufacturing results
Solar Cell Production
Texturing: Enhanced light trapping efficiency Cleaning: Improved surface preparation Yield: Higher manufacturing success rates

DRAVYOM Competitive Advantages

Semiconductor Expertise

Deep understanding of electronic manufacturing and semiconductor requirements

Safety Leadership

Advanced safety protocols and emergency response capabilities

Technical Innovation

Ultra-pure chemistry with proven electronic manufacturing benefits

Quality Assurance

Comprehensive quality control ensuring consistent electronic performance

Industry Partnership

Collaborative approach with semiconductor and electronics companies

Market Leadership

Leading provider of electronic chemicals in the Indian semiconductor market