Nitrogen, Oxygen (Air, Compressed) (GAS) 21 L/100L

Compressed air (21% oxygen, 79% nitrogen) is a medical gas used for respiratory support in clinical and home settings. It delivers oxygen-enriched air for breathing assistance. This sterile, compressed gas is widely used in hospitals and portable oxygen systems.

Strength

21 L/100L

Manufacturer / TM Owner

Linde Gas North America LLC

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Indications & Clinical Uses

Compressed air with 21% oxygen is primarily used to provide respiratory support for patients who require supplemental oxygen. It is commonly used in ventilators, oxygen concentrators, and CPAP/BiPAP machines to aid breathing in conditions like chronic obstructive pulmonary disease (COPD), sleep apnea, and respiratory distress. The balanced nitrogen-oxygen mixture ensures safe and effective oxygen delivery without causing oxygen toxicity.

Side Effects

When inhaled, the oxygen in compressed air helps improve oxygen saturation in the blood, supporting normal respiratory function. Users may experience improved breathing comfort and reduced shortness of breath. The nitrogen component helps maintain stable pressure and prevents lung collapse during mechanical ventilation. Effects are generally immediate upon inhalation.

Precautions & Warnings

Compressed air should only be used as directed by a healthcare professional. Store cylinders in a cool, well-ventilated area away from heat sources and open flames. Ensure proper ventilation when using in enclosed spaces to prevent oxygen enrichment. Always check for leaks or damage before use and follow manufacturer guidelines for handling and storage.

Avoid Interactions

Compressed air does not interact with medications but should be used with caution in patients with conditions like pneumothorax or severe respiratory failure. Avoid mixing with other gases unless specified by a healthcare provider. Ensure compatibility with respiratory devices to prevent equipment malfunction. Consult a doctor if using alongside other oxygen therapies.

Frequently Asked Questions

It is used for respiratory support in patients who need supplemental oxygen, such as those with COPD or sleep apnea.

It can be used at home with proper equipment like oxygen concentrators or ventilators, as prescribed by a doctor.

Store cylinders in a cool, dry place away from heat and open flames, and ensure they are secured upright.

It is generally safe when used as directed, but long-term use should be monitored by a healthcare professional.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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