Hydrogen ( 0.0001% - 5.70% ) in Nitrogen

Remove victim to fresh air and keep at rest in a position comfortable for breathing. If you feel unwell, seek medical advice. If breathing is difficult, give oxygen.

Symptoms: May displace oxygen and cause rapid suffocation.

Ingestion is not considered a potential route of exposure.

Symptoms: Ingestion is not considered a potential route of exposure.

Use extinguishing media appropriate for surrounding fire.

Do not use water jet to extinguish.

The product is not flammable. Product is not explosive. Heat may build pressure, rupturing closed containers, spreading fire and increasing risk of burns and injuries.

In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion. Use water spray or fog for cooling exposed containers. Exercise caution when fighting any chemical fire.

Escape the danger area by the closest safe route. Close doors and windows of adjacent premises. Keep containers closed. Mark the danger area. Seal off low-lying areas. Keep upwind. Evacuate and limit access. Ventilate area.

Try to stop release if safe to do so.

Dispose of this material and its container in accordance with local regulations.

Do not handle until all safety precautions have been read and understood. Use only outdoors or in a well-ventilated area. Pressurized container: Do not pierce or burn, even after use.

Do not expose to temperatures exceeding 52°C (125°F). Keep container closed when not in use. Protect cylinder from physical damage. Store in well ventilated area.

Do not eat, drink or smoke when using this product.

Pressurized container: Do not pierce or burn, even after use.

Ensure exposure is below occupational exposure limits. Provide adequate general and local exhaust ventilation. Systems under pressure should be regularly checked for leakages. Oxygen detectors should be used when asphyxiating gases may be released. Consider work permit system e.g. for maintenance activities.

Wear working gloves when handling gas containers. 29 CFR 1910.138: Hand Protection.

Wear safety glasses with side shields. 29 CFR 1910.133: Eye and Face Protection.

None necessary during normal and routine operations. See Sections 5 & 6.

Wear suitable protective clothing, e.g. - lab coats, coveralls or flame resistant clothing. Wear safety shoes while handling containers. 29 CFR 1910.136: Foot Protection.

Refer to local regulations for restriction of emissions to the atmosphere. See section 13 for specific methods for waste gas treatment.

Stable under normal conditions.

None known.

None known.

None under recommended storage and handling conditions (see section 7).

None known.

Under normal conditions of storage and use hazardous decomposition products should not be produced.

Contact supplier if guidance is required. Do not discharge into any place where its accumulation could be dangerous. Ensure that the emission levels from local regulations or operating permits are not exceeded.

Refer to the CGA Pamphlet P-63 "Disposal of Gases" available at www.cganet.com for more guidance on suitable disposal methods.