NITROUS OXIDE
Substance profile for UNII K50XQU1029, enriched with FDA NDC listings, DailyMed labels, legacy aliases, and open chemistry identifiers.

Substance Identity#
- UNII
- K50XQU1029
- Preferred term
- NITROUS OXIDE
- Registry number
- 10024-97-2
- EC number
- 233-032-0
- Ingredient type
- INGREDIENT SUBSTANCE
- Molecular formula
- N2O

Chemical And Database Identifiers#
- InChIKey
- GQPLMRYTRLFLPF-UHFFFAOYSA-N
- SMILES
- [O-][N+]#N
- RxCUI
- 7486
- PubChem
- 948
- NCIt
- C73617
- INN ID
- 0
Open Chemistry Sources#
| Source | Identifier | Link |
|---|---|---|
| PubChem Compound | 948 | https://pubchem.ncbi.nlm.nih.gov/compound/948 |
| PubChem InChIKey Search | GQPLMRYTRLFLPF-UHFFFAOYSA-N | https://pubchem.ncbi.nlm.nih.gov/#query=GQPLMRYTRLFLPF-UHFFFAOYSA-N |
| RxNorm | 7486 | https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=7486 |
| NCI Thesaurus | C73617 | https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&code=C73617 |
| FDA Substance Registration System | K50XQU1029 | https://precision.fda.gov/uniisearch/srs/unii/K50XQU1029 |
| European Community number | 233-032-0 | https://commonchemistry.cas.org/results?q=233-032-0 |
Related DailyMed Labels#
| Label | Manufacturer | Effective date |
|---|---|---|
| Nitrous Oxide | NEXAIR, LLC | 2026-05-21 |
| Nitrous Oxide | American Welding & Gas | American Welding & Gas, Inc. dba Coastal Welding Supply & Specialty Gas | American Welding & Gas, Inc. | 2026-05-21 |
| Nitrous Oxide | MITCHELL WELDING SUPPLY DBA Meritus Texas | 2026-03-24 |
| NITROUS OXIDE | Badger Welding Supplies, Inc. | 2026-02-12 |
| Nitrous Oxide | Red Ball Oxygen Co., Inc. | 2026-02-06 |
| Nitrous Oxide | American Welding & Gas | American Welding & Gas, Inc. | American Welding & Gas, Inc. dba Coastal Welding Supply & Specialty Gas | 2026-01-08 |
| Nitrous Oxide | AGL Welding Supply Co., Inc. | 2026-01-01 |
| NITROUS OXIDE | All Gas & Welding Supplies Co., Inc. | 2025-12-16 |
| NITROUS OXIDE | Norco, Inc | Norco, Inc. | Nitrous Oxide Corp | 2025-12-15 |
| Nitrous Oxide | QUALITY AIR PRODUCTS INC | 2025-12-09 |
| Nitrous Oxide | Quality Air Products Inc | Air Supply of North Texas | 2025-12-09 |
| NITROUS OXIDE | Spectrum Gas Products, Inc | Spectrum Gas Products, Inc. | 2025-12-03 |
| Nitrous Oxide | Matheson Tri-Gas, Inc. | 2025-12-02 |
| Nitrous Oxide | Machine & Welding Supply Company dba Arc3 Gases South | 2025-12-02 |
| Nitrous Oxide | Machine & Welding Supply Company dba Arc3 Gases South | 2025-12-02 |
| Nitrous Oxide | Westair Gases & Equipment, Inc. | 2025-11-26 |
| Nitrous Oxide | General Air Service & Supply Co | 2025-11-26 |
| Nitrous Oxide | General Air Service & Supply Co | 2025-11-26 |
| NITROUS OXIDE | Volunteer Welding Supply Inc | 2025-11-26 |
| Nitrous Oxide | DJB Gas Services, Inc | 2025-11-25 |
| Nitrous Oxide | Oxarc, LLC | 2025-11-25 |
| Nitrous Oxide | MEDICAL-TECHNICAL GASES, INC. | 2025-11-25 |
| Nitrous Oxide | Oxarc, LLC | 2025-11-25 |
| Nitrous Oxide | DJB Gas Services, Inc | 2025-11-25 |
| Nitrous Oxide | FULLERTON WELDING SUPPLY | 2025-11-21 |
| Nitrous Oxide | MAVERICK OXYGEN & RESPIRATORY EQUIPMENT, LLC | 2025-11-18 |
| Nitrous Oxide | Red Ball Oxygen Co., Inc. | 2025-11-18 |
| NITROUS OXIDE | Keen Compressed Gas Co. Inc. | 2025-11-17 |
| Nitrous Oxide | Roberts Oxygen Company, Inc. | 2025-11-17 |
| Nitrous Oxide | Roberts Oxygen Company, Inc. | 2025-11-17 |
| Nitrous Oxide Oxygen Mix | Roberts Oxygen Company, Inc. | 2025-11-17 |
| NITROUS OXIDE | Holston Gases, Inc | 2025-11-14 |
| NITROUS OXIDE | Holston Gases, Inc | 2025-11-14 |
| Garlic, Avena Sativa Flowering Top, Berberis Vulgaris Root Bark, Arctium Lappa Root, Phytolacca Americana Root, Solidago Virgaurea Flowering Top, Aluminum Oxide, Silver Nitrate, Barium Carbonate, Beryllium, Cadmium, Copper, Hydrofluoric Acid, Indium, Iodine, Lithium Carbonate, Mercurius Solubilis, Nickel Carbonate Hydroxide Tetrahydrate, Nitrous Oxide, Lead, Selenium, Strontium Carbonate, Titanium, Arsenic Trioxide, Sodium Chloride, Strychnos Nux-Vomica Seed. | Natural Creations, Inc. | OHM Pharma, Inc | 2025-11-13 |
| Nitrous Oxide | Helget Gas Products | 2025-11-12 |
| Nitrous Oxide | NexAir, LLC | 2025-11-11 |
| Nitrous Oxide | Nitrous Oxide | NITROUS OXIDE CORP. | Nitrous Oxide Corp | 2025-11-11 |
| Nitrous Oxide | Nitrous Oxide of Canada | 2025-11-11 |
| Nitrous Oxide | Nitrous Oxide of Canada | 2025-11-11 |
| Nitrous Oxide | Nitrous Oxide | NITROUS OXIDE CORP. | Nitrous Oxide Corp | 2025-11-11 |
| Nitrous Oxide | AGP LLC | 2025-11-04 |
| Nitrous Oxide | WELSCO, INC. | 2025-10-31 |
| Nitrous Oxide | ILMO Products Company | 2025-10-29 |
| Nitrous Oxide | ILMO Products Company | 2025-10-29 |
| Nitrous Oxide | Analgesic Services Inc | Analgesic Services, Inc. | 2025-10-29 |
| Nitrous Oxide | Aero All Gas Company | 2025-10-28 |
| Nitrous Oxide | Central Welding Supply Company | 2025-10-28 |
| Nitrous Oxide | Central Welding Supply Company | 2025-10-28 |
| Nitrous Oxide | Aero All Gas Company | 2025-10-28 |
| Nitrous Oxide | DuPuy Oxygen & Supply Company, Inc. | 2025-10-24 |
| Nitrous Oxide | DuPuy Oxygen & Supply Company, Inc. | 2025-10-24 |
| Nitrous Oxide | AGL Welding Supply CO., Inc. | 2025-10-22 |
| Nitrous Oxide | Metro Welding Supply Corporation | 2025-10-20 |
| Nitrous Oxide | Metro Welding Supply Corporation | 2025-10-20 |
| Nitrous Oxide | Lessors, Incorporated | 2025-10-13 |
| NITROUS OXIDE | Airtec Gases, LLC | 2025-10-13 |
| Nitrous Oxide | WSM SUPPLIER LLC. | 2025-10-08 |
| Nitrous Oxide | General Welding Supply Corp. | 2025-10-06 |
| Nitrous Oxide | Boggs Gases div. Boggs Fire Equipment | 2025-10-06 |
| NITROUS OXIDE | AIRGAS USA, LLC | 2025-09-03 |
| NITROUS OXIDE | Linde Gas & Equipment Inc. | Linde Gas & Equipment Inc | 2025-01-22 |
| NITROUS OXIDE | United States Welding, Inc. | 2024-10-29 |
| NITROUS OXIDE | Crumpton Welding Supply & Equipment, Inc. | 2024-10-15 |
| NITROUS OXIDE | Corrigan Propane LLC dba Blue Water Industrial Products | 2024-10-14 |
| Nitrous Oxide | Inland Welding Supply dba A-L Compressed Gases | 2024-10-10 |
| NITROUS OXIDE | Air Source Industries | 2024-10-06 |
| NITROUS OXIDE | Deseret Biologicals, Inc. | Apotheca Company | 2024-03-27 |
| NITROUS OXIDE | Formulated Solutions, LLC | 2023-12-02 |
| NITROUS OXIDE | Formulated Solutions, LLC | 2023-12-02 |
| NITROUS OXIDE | Formulated Solutions, LLC | 2023-12-02 |
| NITROUS OXIDE | NLR Welding Supply, Inc. | 2023-11-08 |
| NITROUS OXIDE | Deseret Biologicals, Inc. | Apotheca Company | 2023-10-26 |
| NITROUS OXIDE | Praxair Mexico, S. de R.L. de C.V | 2021-11-09 |
| NITROUS OXIDE | Zorex International | OHM Pharma, Inc | 2018-12-21 |
| NITROUS OXIDE | PURITY CYLINDER GASES INC | 2018-10-31 |
| Nitrous Oxide | Industrial Gas Distributors Inc | American Welding & Gas, Inc. | 2015-12-21 |
| Nitrous Oxide | Industrial Gas Distributors Inc | American Welding & Gas, Inc. | 2015-12-14 |
| Nitrous Oxide | Fullerton Welding Supply | 2013-01-18 |
| Nitrous Oxide | Praxair Distribution Southeast LLC | 2012-12-03 |
| Nitrous Oxide | Welding & Therapy Service, Inc | 2011-07-22 |
Related NDC Products#
| NDC | Name | Nonproprietary name | Labeler | Marketing category |
|---|---|---|---|---|
| 10014-003 | Nitrous Oxide | Nitrous Oxide | Aero All Gas Company | NDA |
| 10167-200 | NITROUS OXIDE | NITROUS OXIDE | Air Source Industries | NDA |
| 10736-017 | Nitrous Oxide | Nitrous Oxide | MEDICAL-TECHNICAL GASES, INC. | NDA |
| 11054-007 | NITROUS OXIDE | NITROUS OXIDE | AIRGAS USA, LLC | NDA |
| 12121-002 | NITROUS OXIDE | NITROUS OXIDE | Badger Welding Supplies, Inc. | NDA |
| 12213-593 | Nitrous Oxide | Nitrous Oxide | NEXAIR, LLC | NDA |
| 17575-011 | Nitrous Oxide | Nitrous Oxide | AGL Welding Supply Co., Inc. | NDA |
| 20703-003 | Nitrous Oxide | Nitrous Oxide | General Welding Supply Corp. | NDA |
| 21220-122 | Nitrous Oxide | Nitrous Oxide | General Air Service & Supply Co | NDA |
| 22557-003 | Nitrous Oxide | Nitrous Oxide | AGP LLC | NDA |
| 24312-003 | NITROUS OXIDE | NITROUS OXIDE | Airtec Gases, LLC | NDA |
| 34057-010 | Nitrous Oxide | Nitrous Oxide | Oxarc, LLC | NDA |
| 42602-003 | NITROUS OXIDE | NITROUS OXIDE | Norco, Inc | NDA |
| 42751-1075 | Nitrous Oxide | Nitrous Oxide | FULLERTON WELDING SUPPLY | NDA |
| 43621-003 | Nitrous Oxide | Nitrous Oxide | DJB Gas Services, Inc | NDA |
| 44076-012 | Nitrous Oxide | Nitrous Oxide | American Welding & Gas | NDA |
| 44517-020 | NITROUS OXIDE | NITROUS OXIDE | Corrigan Propane LLC dba Blue Water Industrial Products | NDA |
| 46123-006 | Nitrous Oxide | Nitrous Oxide | Roberts Oxygen Company, Inc. | NDA |
| 46123-007 | Nitrous Oxide | Nitrous Oxide | Roberts Oxygen Company, Inc. | NDA |
| 46123-700 | Nitrous Oxide Oxygen Mix | Nitrous Oxide Oxygen Mix | Roberts Oxygen Company, Inc. | NDA |
| 46362-003 | Nitrous Oxide | Nitrous Oxide | Red Ball Oxygen Co., Inc. | NDA |
| 48273-002 | NITROUS OXIDE | NITROUS OXIDE | Keen Compressed Gas Co. Inc. | NDA |
| 49575-003 | Nitrous Oxide | Nitrous Oxide | Machine & Welding Supply Company dba Arc3 Gases South | NDA |
| 50554-005 | Nitrous Oxide | Nitrous Oxide | DuPuy Oxygen & Supply Company, Inc. | NDA |
| 51486-007 | Nitrous Oxide | Nitrous Oxide | ILMO Products Company | NDA |
| 52085-003 | Nitrous Oxide | Nitrous Oxide | Analgesic Services Inc | NDA |
| 52086-015 | Nitrous Oxide | Nitrous Oxide | Helget Gas Products | NDA |
| 52568-002 | NITROUS OXIDE | NITROUS OXIDE | Crumpton Welding Supply & Equipment, Inc. | NDA |
| 53440-003 | Nitrous Oxide | Nitrous Oxide | Westair Gases & Equipment, Inc. | NDA |
| 53511-003 | NITROUS OXIDE | NITROUS OXIDE | Volunteer Welding Supply Inc | NDA |
| 54218-800 | NITROUS OXIDE | NITROUS OXIDE | United States Welding, Inc. | NDA |
| 54260-001 | Nitrous Oxide | Nitrous Oxide | Nitrous Oxide | NDA |
| 55037-301 | Nitrous Oxide | Nitrous Oxide | Matheson Tri-Gas, Inc. | NDA |
| 55050-0018 | NITROUS OXIDE | NITROUS OXIDE | Holston Gases, Inc | NDA |
| 55404-002 | Nitrous Oxide | Nitrous Oxide | Lessors, Incorporated | NDA |
| 56130-004 | Oxygen | Oxygen | All Gas & Welding Supplies Co., Inc. | NDA |
| 59579-004 | NITROUS OXIDE | NITROUS OXIDE | Linde Gas & Equipment Inc. | NDA |
| 62097-0004 | Nitrous Oxide | Nitrous Oxide | Boggs Gases div. Boggs Fire Equipment | UNAPPROVED MEDICAL GAS |
| 62273-005 | Nitrous Oxide | Nitrous Oxide | Metro Welding Supply Corporation | NDA |
| 63978-201 | Nitrous Oxide | Nitrous Oxide | Quality Air Products Inc | NDA |
| 67477-002 | Nitrous Oxide | Nitrous Oxide | MAVERICK OXYGEN & RESPIRATORY EQUIPMENT, LLC | NDA |
| 67525-400 | NITROUS OXIDE | NITROUS OXIDE | Spectrum Gas Products, Inc | NDA |
| 70151-004 | Nitrous Oxide | Nitrous Oxide | Central Welding Supply Company | NDA |
| 72276-002 | Nitrous Oxide | Nitrous Oxide | MITCHELL WELDING SUPPLY DBA Meritus Texas | NDA |
| 72343-001 | Nitrous Oxide | Nitrous Oxide | Nitrous Oxide of Canada | NDA |
| 84120-003 | Nitrous Oxide | Nitrous Oxide | WSM SUPPLIER LLC. | NDA |
| 10006-002 | NITROUS OXIDE | NITROUS OXIDE | Acetylene Oxygen Company | UNAPPROVED MEDICAL GAS |
| 10252-003 | Nitrous Oxide | Nitrous Oxide | Coastal Welding Supply Inc | NDA |
| 10678-006 | Nitrous Oxide | Nitrous Oxide | Airgas-West, Inc. | UNAPPROVED MEDICAL GAS |
| 10927-102 | NITROUS OXIDE | NITROUS OXIDE | PURITY CYLINDER GASES INC | NDA |
| 18482-002 | Nitrous Oxide | Nitrous Oxide | Inland Welding Supply dba A-L Compressed Gases | NDA |
| 18482-128 | Nitrous Oxide | Nitroux Oxide | Inland Welding Supply dba A-L Compressed Gases | UNAPPROVED MEDICAL GAS |
| 25373-003 | Nitrous Oxide | Nitrous Oxide | Linde Gas North America LLC | UNAPPROVED MEDICAL GAS |
| 25373-103 | Nitrous Oxide | Nitrous Oxide | Linde Gas North America LLC | UNAPPROVED MEDICAL GAS |
| 25373-703 | Nitrous Oxide Sedara | Nitrous Oxide | Linde Gas North America LLC | UNAPPROVED MEDICAL GAS |
| 25543-012 | Nitrous Oxide | Nitrous Oxide | Airgas East, Inc. | UNAPPROVED MEDICAL GAS |
| 33335-003 | Nitrous Oxide | Nitrous Oxide | WELSCO, INC. | NDA |
| 33344-003 | Nitrous Oxide | Nitrous Oxide | Welding & Therapy Service, Inc | UNAPPROVED MEDICAL GAS |