argon. a noble gas with the atomic symbol ar, atomic number 18, and atomic weight 39.948. it is used in fluorescent tubes and wherever an inert atmosphere is desired and nitrogen cannot be used. Inert atmosphere for wine and fruit or vegetable juice containers. Generally recognised as safe (GRAS) in the USA
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argon (Click)
CAS Number: 7440-37-1Picture of molecule
Other: 13473-05-7
ECHA EINECS - REACH Pre-Reg: 231-147-0
Nikkaji Web: J1.293I
MDL: MFCD00003431
Molecular Weight: 39.94800000
Formula: Ar
NMR Predictor: Predict (works with chrome or firefox)
Category: antioxidants and preservatives
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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 FDA/DG SANTE Petitions, Reviews, Notices:
GRN 57 Argon gas View-notice PDF
JECFA Food Additive: Argon
DG SANTE Food Additives: argon
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Physical Properties:
Appearance: colorless gas (est)
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Boiling Point: -185.70 °C. @ 760.00 mm Hg (est)
Vapor Pressure: 342656.6875 mm/Hg @ 25.00 °C. (est)
Flash Point: 32.00 °F. TCC ( 0.00 °C. ) (est)
logP (o/w): 0.740 (est)
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Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: antioxidants
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Sigma-Aldrich: Aldrich
For experimental / research use only.
Argon ≥99.998%
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Safety Information:
Preferred SDS: View
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: antioxidants and preservatives
Recommendation for argon usage levels up to:
 not for fragrance use.
Recommendation for argon flavor usage levels up to:
 not for flavor use.
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Safety References:
EPI System: View
NIOSH International Chemical Safety Cards: search
NLM Hazardous Substances Data Bank: Search
AIDS Citations: Search
Cancer Citations: Search
Toxicology Citations: Search
Env. Mutagen Info. Center: Search
EPA Substance Registry Services (TSCA): 7440-37-1
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 23968
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: nwg
Chemidplus: 0007440371
EPA/NOAA CAMEO: hazardous materials
RTECS: 7440-37-1
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NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 7440-37-1
Pubchem (cid): 23968
Pubchem (sid): 134988650
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
HMDB (The Human Metabolome Database): HMDB37240
FooDB: FDB016250
Export Tariff Code: 2804.21.0000
Haz-Map: View
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
Wikipedia: View
RSC Learn Chemistry: View
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Potential Blenders and core components note
None Found
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Potential Uses:
None Found
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Occurrence (nature, food, other): note
 found in nature
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 argon gas
 argon, compressed [UN1006] [Nonflammable gas]
 argon, refrigerated liquid (cryogenic liquid) [UN1951] [Nonflammable gas]
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PubMed: Study of the effect of post-packaging pasteurization and argon modified atmosphere packaging on the sensory quality and growth of endogenous microflora of a sliced cooked meat product.
PubMed: Comparison of argon-based and nitrogen-based modified atmosphere packaging on bacterial growth and product quality of chicken breast fillets.
PubMed: Effects of high-pressure argon and nitrogen treatments on respiration, browning and antioxidant potential of minimally processed pineapples during shelf life.
PubMed: Low gas flow inductively coupled plasma optical emission spectrometry for the analysis of food samples after microwave digestion.
PubMed: Inhibitory effect of double atmospheric pressure argon cold plasma on spores and mycotoxin production of Aspergillus niger contaminating date palm fruits.
PubMed: Effects of argon enriched low-oxygen atmospheres and of high-oxygen atmospheres on the kinetics of polyphenoloxidase (PPO).
PubMed: Modification of tapioca starch by non-chemical route using jet atmospheric argon plasma.
PubMed: Low-temperature, low-pressure gas plasma application on Aspergillus brasiliensis, Escherichia coli and pistachios.
PubMed: Impact of cold plasma on Citrobacter freundii in apple juice: inactivation kinetics and mechanisms.
PubMed: Identification of the biologically active liquid chemistry induced by a nonthermal atmospheric pressure plasma jet.
PubMed: Reduction of acid effects on trace element determination in food samples by CH4 mixed plasma-DRC-MS.
PubMed: Optimization of the operating conditions of solid sampling electrothermal vaporization coupled to inductively coupled plasma optical emission spectrometry for the sensitive direct analysis of powdered rice.
PubMed: Inhibition of Aspergillus flavus on agar media and brown rice cereal bars using cold atmospheric plasma treatment.
PubMed: The effect on turkey meat shelf life of modified-atmosphere packaging with an argon mixture.
PubMed: Impact of surface structure and feed gas composition on Bacillus subtilis endospore inactivation during direct plasma treatment.
PubMed: Sample introduction system for simultaneous determination of volatile elemental hydrides and other elements in food by inductively coupled argon plasma emission spectrometry.
PubMed: New filtration systems for extra-virgin olive oil: effect on antioxidant compounds, oxidative stability, and physicochemical and sensory properties.
PubMed: Production of biogenic amines by lactic acid bacteria and enterobacteria isolated from fresh pork sausages packaged in different atmospheres and kept under refrigeration.
PubMed: Argon laser and soft tissue interaction.
PubMed: High-pressure inactivation of Bacillus cereus spores in the presence of argon.
PubMed: Medical devices; reclassification and codification of microsurgical argon laser for rhinology and laryngology--FDA. Final rule.
PubMed: Multivariate optimization of an analytical method for the analysis of dog and cat foods by ICP OES.
PubMed: Virucidal effect of cold atmospheric gaseous plasma on feline calicivirus, a surrogate for human norovirus.
PubMed: Investigation into the batch stunning/killing of chickens using carbon dioxide or argon-induced hypoxia.
PubMed: Endoscopic palliation of inoperable cancer of the oesophagus or cardia by argon electrocoagulation.
PubMed: Inactivation of Shiga toxin-producing Escherichia coli O104:H4 using cold atmospheric pressure plasma.
PubMed: Effects from filtration, capping agents, and presence/absence of food on the toxicity of silver nanoparticles to Daphnia magna.
PubMed: Effect of low-pressure cold plasma on surface microflora of meat and quality attributes.
PubMed: Cold atmospheric pressure plasma treatment of ready-to-eat meat: inactivation of Listeria innocua and changes in product quality.
PubMed: Effect of the method of killing, interval between killing and neck cutting and blood vessels cut on blood loss in broilers.
PubMed: [Direct quantitative analysis of amino acids in fermented beverage of plant extract using high performance liquid chromatography-tandem mass spectrometry].
PubMed: Argon laser-assisted vasovasostomy.
PubMed: Organ Impairment-Drug-Drug Interaction Database: A Tool for Evaluating the Impact of Renal or Hepatic Impairment and Pharmacologic Inhibition on the Systemic Exposure of Drugs.
PubMed: Differences in relative iron bioavailability in traditional Bangladeshi meal plans.
PubMed: Assessment of the action spectrum for photooxidation in full fat bovine milk.
PubMed: Aluminium content in milk powders by inductively-coupled argon plasma--optical emission spectrometry.
PubMed: Hurdles to helium gas laparoscopy and a readily available alternative.
PubMed: Development and validation of a method for Cd, Pb and As analysis in bovine, equine and poultry liver by inductively coupled plasma mass spectrometry.
PubMed: Behaviour of pigs exposed to mixtures of gases and the time required to stun and kill them: welfare implications.
PubMed: Changes in the somatosensory evoked potentials and spontaneous electroencephalogram of broiler chickens during exposure to gas mixtures.
PubMed: [Determination of sodium, magnesium, calcium, lithium and strontium in natural mineral drinking water by microwave plasma torch spectrometer with nebulization sample introduction system].
PubMed: [Food intake and blood morphological indices in albino mice in sealed chambers with nitrogen in the air substituted by inert gases].
PubMed: Effects of storage conditions on nutritional qualities of semipurified (AIN-76) and natural ingredient (NIH-07)diets.
PubMed: Multielemental determinations in chocolate drink powder using multivariate optimization and ICP OES.
PubMed: Inactivation of food microorganisms by high-pressure carbon dioxide treatment with or without explosive decompression.
PubMed: Method for the determination of total selenium in a wide variety of foods using inductively coupled plasma/mass spectrometry.
PubMed: Collaborative study on determination of mono methylmercury in seafood.
PubMed: Continuous flow vapor generation for inductively coupled argon plasma spectrometric analysis. Part 2. Arsenic.
PubMed: Carcase and meat quality in broilers either killed with a gas mixture or stunned with an electric current under commercial processing conditions.
PubMed: Low morbidity after palliation of obstructing gastro-oesophageal adenocarcinoma to restore swallowing function.
PubMed: Reintervention for occluded biliary metal stent for patients with malignant distal biliary stricture.
PubMed: [Effect of replacement of air nitrogen by inert gases on oxygen consumption by the liver tissues in albino rats on various fatty diets].
PubMed: Curing light intensity effects on wear resistance of two resin composites.
PubMed: Removal of tracheobronchial foreign bodies in adults using a flexible bronchoscope: experience with 200 cases in China.
PubMed: Experimental study on pulmonary cryoablation in a porcine model of normal lungs.
PubMed: Polyphenol profiling of a red-fleshed apple cultivar and evaluation of the color extractability and stability in the juice.
PubMed: Welfare during stunning and slaughter of poultry.
PubMed: Minimizing the residual oxygen in modified atmosphere packaging of bakery products.
PubMed: Preferential feeding behaviour of hens in different gaseous atmospheres.
PubMed: Bubble-included chocolate: relating structure with sensory response.
PubMed: DNA-embedded Au-Ag core-shell nanoparticles assembled on silicon slides as a reliable SERS substrate.
PubMed: [Extensive squamous papillomatosis of the oesophagus with malignant transformation of squamous epithelium].
PubMed: Formation of N-nitroso compounds during cooking of Japanese food.
PubMed: Auger-architectomics: introducing a new nanotechnology to infectious disease.
PubMed: Carcase and meat quality in ducks killed with either gas mixtures or an electric current under commercial processing conditions.
PubMed: An investigation into the batch killing of turkeys in their transport containers using mixtures of gases.
PubMed: Time to loss of somatosensory evoked potentials and onset of changes in the spontaneous electroencephalogram of turkeys during gas stunning.
PubMed: The application of cold-plasma coagulation on the visceral pleura results in a predictable depth of necrosis without fistula generation.
PubMed: 4-methylcatechol inhibits protein oxidation in meat but not disulfide formation.
PubMed: Modified atmosphere packaging and vacuum packaging for long period chilled storage of dry-cured Iberian ham.
PubMed: Microwave-assisted acid extraction methodology for trace elements determination in mastic gum of Pistacia lentiscus using inductively coupled plasma atomic emission spectrometry.
PubMed: Laser photocoagulation for upper gastrointestinal bleeding: the American experience.
PubMed: Photoinduced oxidation of sterically hindered amines in acetonitrile solutions and titania suspensions (an EPR study).
PubMed: Environmental levels of radioactivity at Atomic Energy Commission installations. I. Argonne National Laboratory July-December 1970.
PubMed: An improved microwave emission gas chromatography detector for pesticide residue analysis.
PubMed: Simultaneously determination of methyl and inorganic mercury in fish species by cold vapour generation atomic absorption spectrometry.
PubMed: The surface-enhanced Raman spectra of aflatoxins: spectral analysis, density functional theory calculation, detection and differentiation.
PubMed: Effect of feed gas composition of gas discharge plasmas on Bacillus pumilus spore mortality.
PubMed: Transmission of corneal collagen during ArF excimer laser ablation.
PubMed: Prevalence of broken bones in broilers killed by different stunning methods.
PubMed: Evaluation of metallothionein formation as a proxy for zinc absorption in an in vitro digestion/Caco-2 cell culture model.
PubMed: Using the domestic chicken (Gallus gallus) as an in vivo model for iron bioavailability.
PubMed: Imaging of nutrient elements in the leaves of Elsholtzia splendens by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS).
PubMed: Enhanced selective extraction of hexane from hexane/soybean oil mixture using binary gas mixtures of carbon dioxide.
PubMed: Antivascular endothelial growth factors in age-related macular degeneration.
PubMed: Elemental content of predigested liquid protein products.
PubMed: [Study on the microstructure of fluorescent labelling ghee microcapsules by Tomoscan imaging].
PubMed: Assaying Total Carotenoids in Flours of Corn and Sweetpotato by Laser Photoacoustic Spectroscopy.
PubMed: Formation of SiC nanoparticles in an atmospheric microwave plasma.
PubMed: A prospective multicenter trial of excimer laser phototherapeutic keratectomy for corneal vision loss. The Summit Phototherapeutic Keratectomy Study Group.
PubMed: [Study of mineral content of natural or fruits yogurts commercialized in São Paulo, Brazil].
PubMed: Direct determination of methylmercury and inorganic mercury in biological materials by solid sampling-electrothermal vaporization-inductively coupled plasma-isotope dilution-mass spectrometry.
PubMed: Photorefractive keratectomy for myopia using a 4.5-millimeter ablation zone.
PubMed: Effect of type of oil and addition of delta-tocopherol on model flavor compound stability during storage.
PubMed: Model studies on the influence of matrix type and storage environment on the stability of a model aroma mixture during storage.
PubMed: Developmental effects and mineral interactions in rats fed textured vegetable protein.
PubMed: Determination of trinexapac in wheat by liquid chromatography-electrospray ionization tandem mass spectrometry.
PubMed: Comparison of water-based foam and inert-gas mass emergency depopulation methods.
PubMed: An oxygen-rich fill-and-flow channel biosensor.
PubMed: [Preservation of bread and pastry products in a controlled atmosphere].
PubMed: Interfacing capillary electrophoresis and surface-enhanced resonance Raman spectroscopy for the determination of dye compounds.
PubMed: Comparative histopathologic consequences of photothrombotic occlusion of the distal middle cerebral artery in Sprague-Dawley and Wistar rats.
PubMed: Hyperglycemia increases infarct size in collaterally perfused but not end-arterial vascular territories.
PubMed: Impact of arsenic in foodstuffs on the people living in the arsenic-affected areas of West Bengal, India.
PubMed: Inactivation of Escherichia coli by O- water.
PubMed: Angle-closure glaucoma: impact, etiology, diagnosis, and treatment.
PubMed: [Determination of selenium in mineral waters by the ASA method].
PubMed: Two cases of fractured esophageal nitinol stents.
PubMed: 15N- and 13C-labeled media from Anabaena sp. for universal isotopic labeling of bacteriocins: NMR resonance assignments of leucocin A from Leuconostoc gelidum and nisin A from Lactococcus lactis.
PubMed: One-year results of excimer laser photorefractive keratectomy for myopia.
PubMed: Site-specific detection of S-nitrosylated PKB alpha/Akt1 from rat soleus muscle using CapLC-Q-TOF(micro) mass spectrometry.
PubMed: Influence of pressure in ethanol/water pulping of sugarcane bagasse.
PubMed: Treatment of sickle cell disease in early childhood in Jamaica.
PubMed: Method validation for determination of arsenic, cadmium, chromium and lead in milk by means of dynamic reaction cell inductively coupled plasma mass spectrometry.
PubMed: Determination of the ionophoric coccidiostats narasin, monensin, lasalocid and salinomycin in eggs by liquid chromatography/tandem mass spectrometry.
PubMed: Monitoring the migration behavior of living microorganisms in capillary electrophoresis using laser-induced fluorescence detection with a charge-coupled device imaging system.
PubMed: Detection of protein A produced by Staphylococcus aureus with a fiber-optic-based biosensor.
PubMed: Lead, fluoride, and other elements in bonemeal supplements.
PubMed: Design assembly of an inexpensive, automated microbore amino acid analyzer: separation and quantitation of amino acids in physiological fluids.
PubMed: Selenium in foods: evaluation of atomic absorption spectrometric techniques involving hydrogen selenide generation and carbon furnace atomization.
PubMed: Modulation of metal-induced genotoxicity by Maillard reaction products isolated from coffee.
PubMed: Determination by fourier transform Raman spectroscopy of conjugated linoleic acid in I2-photoisomerized soybean oil.
PubMed: Effect of the method of stunning and the interval between stunning and neck cutting on blood loss in turkeys.
PubMed: Chromium, lead and cadmium in Danish milk products and cheese determined by Zeeman graphite furnace atomic absorption spectrometry after direct injection or pressurized ashing.
PubMed: Electron transfer: a primary step in the reactions of sodium hydrosulphide, an H2S/HS(-) donor.
PubMed: Stable isotope and trace element profiling combined with classification models to differentiate geographic growing origin for three fruits: effects of subregion and variety.
PubMed: Dietary fibers from mushroom sclerotia: 3. In vitro fermentability using human fecal microflora.
PubMed: Mineral interactions in rats fed AIN-76A diets with excess calcium.
PubMed: Separation and determination of peptide hormones by capillary electrophoresis with laser-induced fluorescence coupled with transient pseudo-isotachophoresis preconcentration.
PubMed: Freeze-drying for the stabilisation of shellfish toxins in mussel tissue (Mytilus edulis) reference materials.
PubMed: Effect of different concentrations of carbon dioxide and low concentration of carbon monoxide on the shelf-life of fresh pork sausages packaged in modified atmosphere.
PubMed: Metabolic pathway for selenium in the body: speciation by HPLC-ICP MS with enriched Se.
PubMed: Detection of organotin, organomercury, and organolead compounds with a pulsed discharge detector (PDD).
PubMed: Regioisomers of octanoic acid-containing structured triacylglycerols analyzed by tandem mass spectrometry using ammonia negative ion chemical ionization.
PubMed: Furocoumarin-photosensitized hydroxylation of guanosine in RNA and DNA.
PubMed: Accurate and precise wavelength calibration for wide bandwidth array spectrometers.
PubMed: Evaluation of plant products from the Legnicko-Głogowski region for their contamination with arsenic.
PubMed: Mitochondrial reduction of metmyoglobin: dependence on the electron transport chain.
PubMed: Assessment of the effects of Nurmi-type cultures and a defined probiotic preparation on a Salmonella typhimurium 29E challenge in vivo.
PubMed: Photodecomposition of Pigment Yellow 74, a pigment used in tattoo inks.
PubMed: Evolution of green coffee protein profiles with maturation and relationship to coffee cup quality.
PubMed: Multi-residue analysis of tranquillizers in meat: confirmatory assays using mass spectrometry.
PubMed: Optimization of selenium determination in human milk and whole blood by flow injection hydride atomic absorption spectrometry.
PubMed: Plasma boron and the effects of boron supplementation in males.
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