Popular Gases

Methane

Methane (CH₄)

Properties and Applications

Methane (CH₄) is a colorless, odorless, and non-toxic organic compound with distinct physical characteristics. Under standard temperature and pressure (STP), methane exists as a gas with a density approximately 0.55 times that of air, making it lighter and minimally soluble in water. It transitions to liquid at -161.5°C (boiling point) and solidifies at -182.5°C (melting point), remaining gaseous under ambient conditions. Methane is commonly used as a fuel for heating, cooking, and power generation. Because it is an odorless hydrocarbon gas, it is often mixed with substances that have an odor to report leaks or spills in pipes and systems.

Specifications

CAS No. 74-82-8
UN No. 1971
EINECS No. 200-812-7
Molecular Weight 16.043
Appearance Colorless, odorless
Melting Point -182.5 °C
Boiling Point -161.5 °C
Density 0.717g/L
DOT Class 2.1
Label Flammable Gas

Industrial grade methaneIndustrial grade methaneElectronic Grade Methane
Specification99.9%99.99%99.999%
H2≤ 50 ppm≤ 10 ppm≤ 0.5 ppm
O2+Ar≤ 50 ppm≤ 10 ppm≤ 1 ppm
N2≤ 250 ppm≤ 35 ppm≤ 4 ppm
CO2//≤ 0.5 ppm
C2H6≤ 600 ppm≤ 25 ppm≤ 4 ppm
H2S//≤ 0.1 ppm
H2O≤ 50 ppm≤ 15 ppm≤ 3 ppm


Packaging Specifications

Gas Container >>
Cylinder SpecificationsContentPressure
Cylinder Capacity valvevolumeBarPSIG
40LCGA3506 m31502175
47LCGA3507 m31502175
50LCGA35010 m32002900


Key Applications

Catalyst Regeneration & Hydrogenation

Catalyst regeneration and hydrogenation are key processes in the chemical and petrochemical industries. YIGAS provides high-purity hydrogen (H₂), carbon monoxide (CO), and methane (CH₄) to support industrial catalytic reactions, petroleum processing, and fine chemical production.

Air Emissions Monitoring

Air emission monitoring is crucial for environmental protection and compliance. YIGAS provides high-purity calibration gases, mixed gases, and standard gases, widely used in flue gas monitoring, industrial emission testing, and environmental laboratory analysis. Our products cover sulfur dioxide, carbon dioxide, methane, nitrogen, and oxygen, ensuring accurate and stable monitoring results for our clients.

FAQ

Why Choose YIGAS?

Team

Global Leadership: Management team with multinational and listed company backgrounds, backed by decades of expertise in the industrial gases sector.

End-to-End Expertise: Integrated capabilities spanning production, operation, R&D, commercialization, and quality assurance in gas industry.

Technical Excellence: Advanced knowledge in gas/chemical synthesis, purification, and process optimization, supported by on-demand technical application services.

R & D

Innovation-Driven: Focus on cutting-edge R&D to deliver safer, sustainable, and cost-effective gas solutions.

Full-Cycle Development: From concept design to scalable production, ensuring seamless technology transfer and market readiness.

Service

Customer-Centric Solutions: Tailored services with flexibility, professionalism, and 24/7 dedicated support.

Value Proposition: Guaranteed supply chain stability, safety compliance (ISO/OSHA standards), and total cost optimization.

Quality

Zero-Compromise Standards: Rigorous QC protocols for both in-house and outsourced products, validated by third-party certifications.

Operational Precision: Expertise in lean production management, analytical quality control, and continuous process improvement.

We Look Forward To Working With You.