Label: NITROUS OXIDE gas
- NDC Code(s): 33335-003-01, 33335-003-02, 33335-003-03, 33335-003-04
- Packager: WELSCO, INC.
- This is a repackaged label.
- Source NDC Code(s): 12213-593
- Category: HUMAN PRESCRIPTION DRUG LABEL
- DEA Schedule: None
- Marketing Status: New Drug Application
Drug Label Information
Updated October 31, 2025
If you are a consumer or patient please visit this version.
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PRINCIPAL DISPLAY PANEL
UN1070
NITROUS OXIDE, USP
DO NOT REMOVE THIS LABEL.
DANGER! MAY CAUSE OR INTENSIFY FIRE OXIDIZER. CONTAINS GAS UNDER PRESSURE; MAY EXPLODE IF HEATED. MAY CAUSE DROWSINESS OR DIZZINESS. MAY DISPLACE OXYGEN AND CAUSE RAPID SUFFOCATION. MAY CAUSE FROSTBITE.
Do not handle until all safety precautions have been read and understood. Keep/Store away from combustible materials, clothing. Keep reduction valves/valves and fittings free from oil and grease. Avoid breathing gas. Do not get in eyes, on skin, or on clothing. Use and store only outdoors or in a well-ventilated place. Wear protective gloves/protective clothing/eye protection/face protection. IN CASE OF FIRE: Stop leak if safe to do so. Store locked up. Dispose of contents/container in accordance with local/regional/national/internation regulations. Contact supplier for any special requirements. Use a back flow preventive device in the piping. Use only with equipment of compatible materials of construction and rated for cylinder pressure. Do not open valve until connected to equipment prepared for use. Use only with equipment cleaned for oxygen service. Open valve slowly. Close valve after each use and when empty. Protect from sunlight when ambient temperature exceeds 52 C (125 F). Read and follow the Safety Data Sheet (SD)S before use. FIRST AID: IF INHALED: remove victim to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell. IF ON SKIN: Thaw frosted parts with lukewarm water. Do not rub affected area. Get immediate medical advice/attention. WARNING: The administration of Nitrous Oxide may be hazardous or contraindicated. For use only by or under the supervision of a licensed practitioner who is experienced in the use and administration of Nitrous Oxide and is familiar with the indications, effects, dosages, methods, and frequency and duration of administration, and with the hazards, contraindications, and side effects and the precautions to be taken.
Rx ONLY.
IN CASE OF EMERGENCY: CALL 1-888-639-2474 CAS: 10024-97-2
nexAir
Distributed by nexAir, LLC, 1350 Concourse Ave., Suite 103, Memphis, TN 38104
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PRINCIPAL DISPLAY PANEL
UN2201
NITROUS OXIDE, REFRIGERAED LIQUID USP
ALWAYS KEEP CONTAINER IN UPRIGHT POSITION
DO NOT CHANGE OR FORCE-FIT CONNECTIONS
DANGER!
MAY CAUSE OR INTENSIFY FIRE; OXIDIZER. CONTAINS REFRIGERATED GAS; MAY CAUSE CRYOGENIC BURNS OR INJURY. MAY CAUSE DROWSINESS OR DIZZINESS. MAY DISPLACE OXYGEN AND CAUSE RAPID SUFFOCATION. COMBUSTIBLES IN CONTACT WITH OXIDIZING REFRIGERATED LIQUIDS MAY EXPLODE ON IGNITION OR IMPACT.
IN CASE OF EMERGENCY: CALL 1-888-639-2474
CAS: 10024-97-2
Do not handle until all safety precautions have been read and understood. Keep/Store away from combustible materials, clothing. Keep reduction valves/valves and fittings free from oil and grease. Avoid breathing gas. Use and store only outdoors or in a well-ventilated place. Wear cold insulating gloves/face shield/eye protection. IN CASE OF FIRE: Stop leak if safe to do so. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations. Contact supplier for any special requirements. Use a back flow preventive device in the piping. Use only with equipment of compatible materials of construction and rated for cylinder pressure. Use only with equipment cleaned for oxygen service. Do NOT change or force fit connections. Do not open valve until connected to equipment prepared for use. Open valve slowly. Close valve after each use and when empty. Always keep container in upright position. Avoid spills. Do not walk on or roll equipment over spills. Read and follow the Safety Data Sheet (SDS) before use.
FIRST AID: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a poison center/doctor if you feel unwell.
IF ON SKIN: Thaw frosted parts with lukewarm water. Do not rub affected area. Get immediate medical advice/attention.
WARNING: The administration of Nitrous Oxide may be hazardous or contraindicated. For use only by or under the supervision of a licensed practitioner who is experienced in the use and administration of Nitrous Oxide and is familiar with the indications, effects, dosages, methods, and frequency and duration of administration, and with the hazards, contraindications, and side effects and the precautions to be taken. Rx ONLY
nexAir
Distributed by nexAir, LLC, 1350 Concourse Ave., Suite 103, Memphis, TN 38104
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INGREDIENTS AND APPEARANCE
NITROUS OXIDE
nitrous oxide gasProduct Information Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC:33335-003(NDC:12213-593) Route of Administration RESPIRATORY (INHALATION) Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength NITROUS OXIDE (UNII: K50XQU1029) (NITROUS OXIDE - UNII:K50XQU1029) NITROUS OXIDE 990 mL in 1 L Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC:33335-003-01 14163 L in 1 CYLINDER; Type 0: Not a Combination Product 01/02/2012 2 NDC:33335-003-02 5167 L in 1 CYLINDER; Type 0: Not a Combination Product 01/02/2012 3 NDC:33335-003-03 1745 L in 1 CYLINDER; Type 0: Not a Combination Product 01/02/2012 4 NDC:33335-003-04 1070 L in 1 CYLINDER; Type 0: Not a Combination Product 01/02/2012 Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date NDA NDA206009 01/02/2012 Labeler - WELSCO, INC. (006357420) Establishment Name Address ID/FEI Business Operations WELSCO, INC. 006357420 relabel(33335-003)