Gas Detector Knowledge of Gas Awareness: Hydrogen (H2)

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Chemical Identity
● Product Name: Hydrogen
● Chemical Molecular Formula: H₂
● Alias: Hydrogen
● Product Use Type: General Industry

[Composition/Composition Information]

Ingredient CAS Number Concentration (Volume)
Hydrogen 1333-74-0 100%

Concentration is nominal. For the exact concentration of the mixture, please refer to the company's specifications.

【Overview of Dangers】
Emergency Summary
● Flammable gas that can cause fires or explosions if not handled properly.
● High-pressure gas that can lead to rapid suffocation.
● Extremely flammable and may form explosive mixtures with air.
● In case of exposure to high concentrations, immediate evacuation is necessary.
● Avoid breathing in the gas. A self-contained breathing apparatus (SCBA) may be required.

Potential Health Hazards
● Inhalation: High concentrations can cause rapid suffocation, leading to loss of consciousness. Victims may not realize the danger.
● Skin contact: No adverse effects reported.
● Ingestion: Not considered a route of exposure.
● Chronic health hazards: Not applicable.

Exposure Guidelines
● Main route of exposure: Inhalation.
● Target organ: Unknown.

Symptoms
● Exposure to low oxygen environments may cause dizziness, nausea, vomiting, and loss of consciousness.

Exacerbated Illness
● Not known.

Environmental Impact
● Generally considered harmless to the environment when properly managed.

【First-Aid】
● General advice: Move the patient to a safe area and provide oxygen if needed. If breathing stops, perform artificial respiration.
● Skin contact: Wash with water and soap.
● Ingestion: Not a common route of exposure.
● Eye contact: Flush with water for at least 15 minutes.
● Inhalation: Provide fresh air and oxygen if available. Seek medical attention immediately.

【Fire-Fighting Measures】
● Suitable extinguishing agents: All standard fire-fighting methods are effective.
● Special hazards: Static electricity can ignite hydrogen. Gas is lighter than air and can accumulate in enclosed spaces.
● Firefighters should wear SCBA when fighting hydrogen-related fires.

[Leakage Emergency Treatment]
● Evacuate the area and eliminate all ignition sources.
● Prevent the release of hydrogen into areas where it could accumulate.
● Increase ventilation and monitor gas levels.
● Contact emergency services if a cylinder leaks.

[Operation and Storage]
Disposal
● Handle cylinders carefully to avoid damage. Never attempt to repair valves or pressure devices.
● Store cylinders in well-ventilated areas, away from heat and open flames.
● Follow all local regulations for storage and handling.

Storage
● Store upright and secure to prevent tipping.
● Keep full and empty cylinders separate.
● Maintain proper temperature control (not exceeding 50°C).
● Do not store near oxidants or flammable materials.

[Contact Control/Personal Protection]
Engineering Control
● Ensure adequate ventilation to prevent gas accumulation.

Personal Protective Equipment
● Respiratory protection: Use SCBA in high-risk areas.
● Hand protection: Wear safety gloves.
● Eye protection: Use safety glasses.
● Body protection: Wear flame-resistant clothing.

[Physical and Chemical Properties]
● State: Liquefied gas.
● Color: Colorless.
● Odor: Odorless.
● Molecular weight: 2.02 g/mol.
● Boiling point: -423°F (-252.9°C).
● Flashpoint: Not applicable (non-flammable under normal conditions).
● Solubility in water: 0.0016 g/L.

Stability and Reactivity
● Stable under normal conditions.
● Avoid heat, sparks, and open flames.
● Incompatible with oxygen and other oxidants.

[Ecological Data]
● No known toxic effects on aquatic life.
● Does not bioaccumulate in the environment.

Disposal
● Return unused product to the supplier in the original container.
● Do not release into the environment.

【Transport Information】
● UN Number: 1049 (Hydrogen, compressed).
● Transport classification: Flammable gas (Class 2.1).
● Ensure vehicles are equipped with proper safety measures.

【Regulatory Information】
● OSHA Hazard Communication Standard: Flammable, Compressed Gases.
● Regulatory compliance varies by country, including TSCA, EINECS, DSL, etc.

Other Information
Level: NFPA Level Level: HMIS Level
Health: 0 Health: 0
Flammability: 4 Flammability: 4
Instability: 0 Physical Hazards: 3

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