| Substance | ARGON, REFRIGERATED LIQUID | |
| UN Number | 1951 | |
| HIN (= Hazard Identification Number) | 22 | |
| ADR Label | 2.2 | |
| ADR Class | 2 | |
| Classification Code | 3A | |
| Packing group | ||
| ERIC | 2-48 | |
ASPHYXIANT LIQUEFIED REFRIGERATED GAS
1. Characteristics
- Liquid has extremely low temperature.
- Asphyxiant : the gas will suffocate without warning.
- Not flammable.
2. Hazards
- Heating of container(s) will cause pressure rise with risk of bursting and immediate release of expanding vapour cloud creating a pressure wave (risk of BLEVE).
- Contact with liquid will make many materials brittle, including personal protective equipment.
- The gas may be invisible and may enter sewers, basements or confined spaces.
3. Personal Protection
- Self contained breathing apparatus.
4. Intervention Actions
4.1 General
- Keep upwind.
4.2 Spillage
- Stop leaks if possible.
- Knock down or disperse gas cloud with water spray.
- If substance has entered a water course or sewer, inform the responsible authority.
4.3 Fire (involving the substance)
- Keep container(s) cool with water.
- Do not direct water at source of leak or safety devices.
- Use water spray to knock down fire fumes if possible.
- Avoid unnecessary run-off of extinguishing media which may cause pollution.
5. First Aid
- If substance has got into eyes, wash out with water for at least 15 minutes and seek immediate medical attention.
6. Essential Precautions For Product Recovery
- Do not use standard recovery equipment. Seek specialist advice immediately.
7. Precautions After Intervention
7.1 Undressing
- Remove contaminated clothing as soon as possible and before leaving incident.
7.2 Equipment Clean Up
- No special precautions.
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