Compressed and Liquefied Gases

Gases available from Sigma-Aldrich are listed alphabetically by name. Click the links in the table to go to the product detail pages to find additional packaging information and recommended dispensing equipment.

For details on regulators, valves, and other gas equipment, see Gas Equipment.

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Image	Description	Molecular Formula	Product #	Add to Cart
	(±)-Propylene oxide ReagentPlus^®, 99%	C₃H₆O	110205	pricing

	(±)-Propylene oxide ReagentPlus^®, 99%	C₃H₆O	471968	pricing

	1,1,1,2-Tetrafluoroethane ≥99%	C₂H₂F₄	374334	pricing

	1,1,2,2,3-Pentafluoropropane 99%	C₃H₃F₅	411078	pricing

	1,1-Difluoroethane ≥98%	C₂H₄F₂	295264	pricing

	1,1-Difluoroethylene ≥99%	C₂H₂F₂	295272	pricing

	1,1-Difluoroethylene puriss., ≥99.0% (GC)	C₂H₂F₂	36865	pricing

	1,2-Butadiene puriss., ≥99.0% (GC)	C₄H₆	18853	pricing

	1,2-Butadiene purum, ≥97.0% (GC, ¹³C-NMR)	C₄H₆	18855	pricing

	1,2-Dichlorotetrafluoroethane ≥99.5%	C₂Cl₂F₄	295248	pricing

	1,3-Butadiene ≥99%	C₄H₆	295035	pricing

	1,3-Butadiene puriss., ≥99.5% (GC)	C₄H₆	18869	pricing

	1,3-Butadiene puriss., ≥99.5% (GC)	C₄H₆	18871	pricing

	1,3-Butadiene purum, ≥98.0%	C₄H₆	18881	pricing

	1,3-Butadiene solution	C₄H₆	695904	pricing

	1,3-Butadiene-d₆ 98 atom % D	C₄D₆	487228	pricing

	1-Butene ≥99%	C₄H₈	295051	pricing

	1-Butene purum, ≥99.0% (GC)	C₄H₈	19061	pricing

	1-Butyne ≥98%	C₄H₆	633755	pricing

	1-Chloro-1,1-difluoroethane 98%	C₂H₃ClF₂	295256	pricing

	2-Methylpropane 99%	C₄H₁₀	295450	pricing

	2-Methylpropane 99.995%	C₄H₁₀	539821	pricing

	2-Methylpropane puriss.	C₄H₁₀	58351	pricing

	2-Methylpropane-2-d 98 atom % D	C₄DH₉	487627	pricing

	2-Methylpropene 99%	C₄H₈	295469	pricing

	2-Methylpropene purum, ≥99.0% (GC)	C₄H₈	58551	pricing

	2-Methylpropene purum, ≥99.5%	C₄H₈	58552	pricing

	2-Methylpropene purum, ≥99.5%	C₄H₈	58556	pricing

	3,3,3-Trifluoro-1-propyne 97%	C₃HF₃	544086	pricing

	3,3,3-Trifluoropropene 99%	C₃H₃F₃	371378	pricing

	3-Methyl-1-butene technical, ≥90% (GC)	C₅H₁₀	66072	pricing

	Acetyl fluoride 99%	C₂H₃FO	176257	pricing

	Air dry		294977	pricing

	Allene 97%	C₃H₄	294985	pricing

	Allene purum, ≥96.0%	C₃H₄	05675	pricing

	Ammonia anhydrous, ≥99.99%	H₃N	294993	pricing

	Ammonia puriss., anhydrous, ≥99.9%	H₃N	09684	pricing

	Ammonia puriss., anhydrous, ≥99.95%	H₃N	09682	pricing

	Ammonia-¹⁵N 10 atom % ¹⁵N	H₃¹⁵N	487953	pricing

	Ammonia-¹⁵N,d₃ 99 atom % D, 98 atom % ¹⁵N	D₃¹⁵N	485373	pricing

	Ammonia-d₃ 99 atom % D	D₃N	422975	pricing

	Argon ≥99.998%	Ar	295000	pricing

	Argon puriss., ≥99.998%	Ar	00752	pricing

	Boron trichloride 99.9%	BCl₃	295019	pricing

	Boron trichloride purum, ≥99.9%	BCl₃	15706	pricing

	Boron trifluoride ≥99.5%	BF₃	295027	pricing

	Boron trifluoride electronic grade, ≥99.99%	BF₃	463086	pricing

	Boron trifluoride purum, ≥99.5%	BF₃	15714	pricing

	Boron trifluoride purum, 97%	BF₃	15712	pricing

	Bromomethane-¹³C 99 atom % ¹³C	¹³CH₃Br	415561	pricing

	Bromomethane-d₃ 98 atom % D	CD₃Br	488291	pricing

	Butane 99%	C₄H₁₀	494402	pricing

	Butane purum, ≥99.0% (GC)	C₄H₁₀	18921	pricing

	Butane-1,1,1,4,4,4-d₆ 98 atom % D	C₄D₆H₄	488305	pricing

	Butane-1,4-¹³C₂ 99 atom % ¹³C	¹³C₂C₂H₁₀	488313	pricing

	Butane-1-¹³C 99 atom % ¹³C	¹³CC₃H₁₀	488321	pricing

	Butane-d₁₀ 98 atom % D	C₄D₁₀	488348	pricing

	Carbon dioxide ≥99.8%	CO₂	295108	pricing

	Carbon monoxide ≥99.0%	CO	295116	pricing

	Carbon monoxide puriss., ≥99.0%	CO	60870	pricing

	Carbon monoxide-¹⁸O 95 atom % ¹⁸O, 99%	C¹⁸O	609706	pricing

	Carbon tetrafluoride 99.9%	CF₄	295736	pricing

	Carbon-¹²C dioxide 99.9 atom % ¹²C	¹²CO₂	422606	pricing

	Carbon-¹²C monoxide 99.95 atom % ¹²C	¹²CO	418072	pricing

	Carbon-¹²C monoxide-¹⁸O 99.9 atom % ¹²C, 95 atom % ¹⁸O	¹²C¹⁸O	607177	pricing

	Carbon-¹³C dioxide 99 atom % ¹³C	¹³CO₂	60868	pricing

	Carbon-¹³C dioxide 99 atom % ¹³C, <3 atom % ¹⁸O	¹³CO₂	364592	pricing

	Carbon-¹³C dioxide 99.93 atom % ¹⁶O, 99 atom % ¹³C	¹³CO₂	486418	pricing

	Carbon-¹³C monoxide <5 atom % ¹⁸O, 99 atom % ¹³C	¹³CO	388505	pricing

	Carbon-¹³C monoxide-¹⁸O Gas 95 atom % ¹⁸O, 99 atom % ¹³C	¹³C¹⁸O	607142	pricing

	Carbonyl sulfide ≥97.5%	COS	295124	pricing

	Carbonyl-¹³C sulfide 99 atom % ¹³C, <5 atom % ¹⁸O	¹³COS	486469	pricing

	Chlorine ≥99.5%	Cl₂	295132	pricing

	Chlorine puriss., ≥99.8%	Cl₂	22752	pricing

	Chlorine puriss., ≥99.8%	Cl₂	22754	pricing

	Chlorine puriss., ≥99.8%	Cl₂	22756	pricing

	Chloroethane ≥99.7%	C₂H₅Cl	295310	pricing

	Chloroethane purum, ≥98.0%	C₂H₅Cl	03340	pricing

	Chloroethane purum, ≥98.0%	C₂H₅Cl	03341	pricing

	Chloroethane purum, ≥99.8%	C₂H₅Cl	03344	pricing

	Chloromethane ≥99.5%	CH₃Cl	295507	pricing

	Chloromethane purum, ≥99.8%	CH₃Cl	66222	pricing

	Chloromethane-¹³C 99 atom % ¹³C	¹³CH₃Cl	488542	pricing

	Chloromethane-d₃ 99.5 atom % D	CD₃Cl	488550	pricing

	Chlorotrifluoroethylene 98%	C₂ClF₃	295167	pricing

	Cyclopropane ≥99%	C₃H₆	295183	pricing

	Deuterium 99.8 atom % D	D₂	361860	pricing

	Deuterium 99.9 atom % D	D₂	617474	pricing

	Deuterium 99.96 atom % D	D₂	368407	pricing

	Deuterium bromide 99 atom % D	DBr	486515	pricing

	Deuterium chloride 99 atom % D	DCl	488682	pricing

	Deuterium hydride 96 atom % D	HD	488690	pricing

	Deuterium sulfide 97 atom % D	D₂S	486523	pricing

	Diborane 99.99% (diborane only), 9-11% (balance hydrogen), 10% in hydrogen, electronic grade	H₆B₂	463051	pricing

	Diborane-d₆ 10% in D₂, electronic grade	D₆B₂	463132	pricing

	Diborane-d₆ 10% in helium, electronic grade	D₆B₂	463140	pricing

	Dichlorofluoromethane 98%	CHCl₂F	295213	pricing

	Dichlorosilane ≥99.99% trace metals basis	H₂Cl₂Si	333395	pricing

	Difluoromethane 99.7%	CH₂F₂	318043	pricing

	Dimethyl ether ≥99%	C₂H₆O	295299	pricing

	Dimethyl ether puriss., ≥99.9% (GC)	C₂H₆O	38911	pricing

	Dimethyl ether puriss., ≥99.9% (GC)	C₂H₆O	38912	pricing

	Dimethyl ether puriss., ≥99.9% (GC)	C₂H₆O	38914	pricing

	Dimethyl ether-d₆ 99 atom % D	C₂D₆O	488879	pricing

	Dimethyl-d₆-amine 99 atom % D	C₂D₆HN	486558	pricing

	Dimethylamine anhydrous, ≥99%	C₂H₇N	295280	pricing

	Dimethylamine purum, ≥99.0%	C₂H₇N	38930	pricing

	Dimethylamine purum, ≥99.0%	C₂H₇N	38931	pricing

	Dimethylamine purum, ≥99.0%	C₂H₇N	38936	pricing

	Disilane electronic grade, 99.998%	H₆Si₂	463043	pricing

	Ethane ≥99%	C₂H₆	295302	pricing

	Ethane 99.99%	C₂H₆	539775	pricing

	Ethane puriss., ≥99.95% (GC)	C₂H₆	00582	pricing

	Ethane-1,1,2,2-d₄ 99 atom % D	C₂D₄H₂	485624	pricing

	Ethane-¹³C₁ 99 atom % ¹³C	¹³CCH₆	492558	pricing

	Ethane-¹³C₂ 99 atom % ¹³C	¹³C₂H₆	489220	pricing

	Ethane-d₁ 98 atom % D	C₂DH₅	489239	pricing

	Ethane-d₅ 99 atom % D	C₂D₅H	489247	pricing

	Ethane-d₆ gas, 99 atom % D	C₂D₆	489255	pricing

	Ethylamine 97%	C₂H₇N	243191	pricing

	Ethylamine 97%	C₂H₇N	301264	pricing

	Ethylamine purum, anhydrous, ≥99.0%	C₂H₇N	02940	pricing

	Ethylamine purum, anhydrous, ≥99.0%	C₂H₇N	02941	pricing

	Ethylamine purum, anhydrous, ≥99.5%	C₂H₇N	02942	pricing

	Ethylamine purum, anhydrous, ≥99.5%	C₂H₇N	02946	pricing

	Ethylene ≥99.5%	C₂H₄	295329	pricing

	Ethylene ≥99.9%	C₂H₄	03484	pricing

	Ethylene 99.99%	C₂H₄	536164	pricing

	Ethylene oxide ≥99.5%	C₂H₄O	387614	pricing

	Ethylene oxide purum, ≥99.8%	C₂H₄O	03901	pricing

	Ethylene oxide purum, ≥99.8%	C₂H₄O	03904	pricing

	Ethylene oxide purum, ≥99.8%	C₂H₄O	03906	pricing

	Ethylene oxide-¹³C₂ 99 atom % ¹³C	¹³C₂H₄O	492612	pricing

	Ethylene puriss., ≥99.95% (GC)	C₂H₄	00489	pricing

	Ethylene purum, ≥99.9%	C₂H₄	03482	pricing

	Ethylene-¹³C₁ 99 atom % ¹³C	¹³CCH₄	489344	pricing

	Ethylene-¹³C₂ 99 atom % ¹³C	¹³C₂H₄	489352	pricing

	Ethylene-d₄ 99 atom % D	C₂D₄	422851	pricing

	Ethylene-d₄ oxide 98 atom % D	C₂D₄O	457833	pricing

	Fluoromethane-¹³C 99 atom % ¹³C	¹³CH₃F	489409	pricing

	Fluoromethane-d₃ 99 atom % D	CD₃F	486663	pricing

	Fluorotrimethylsilane 96%	C₃H₉FSi	364533	pricing

	Germane electronic grade, ≥99.997%	H₄Ge	463027	pricing

	Germanium(IV) fluoride 99.95%	F₄Ge	401501	pricing

	Germanium(IV) fluoride electronic grade, ≥99.9%	F₄Ge	463000	pricing

	Helium ≥99.995%	He	295345	pricing

	Helium puriss., ≥99.999%	He	00488	pricing

	Hexafluoro-2-butyne 99%	C₄F₆	405264	pricing

	Hexafluoroacetone 97%	C₃F₆O	295353	pricing

	Hexafluoroethane ≥98%	C₂F₆	295361	pricing

	Hexafluoropropene ≥99%	C₃F₆	295388	pricing

	Hexafluoropropene purum, ≥99.0%	C₃F₆	52516	pricing

	Hexafluoropropylene oxide 98%	C₃F₆O	323640	pricing

	Hexane, mixture of isomers anhydrous, ≥99%	C₆H₁₄	227064	pricing

	Hydrogen ≥99.99%	H₂	295396	pricing

	Hydrogen bromide ReagentPlus^®, ≥99%	HBr	295418	pricing

	Hydrogen bromide puriss., ≥99.8%	HBr	18702	pricing

	Hydrogen bromide puriss., ≥99.8%	HBr	18703	pricing

	Hydrogen chloride ReagentPlus^®, ≥99%	HCl	295426	pricing

	Hydrogen chloride puriss., ≥99.7%	HCl	26616	pricing

	Hydrogen chloride puriss., ≥99.8%	HCl	26612	pricing

	Hydrogen chloride puriss., ≥99.8%	HCl	26614	pricing

	Hydrogen puriss., ≥99.999%	H₂	00473	pricing

	Hydrogen sulfide ≥99.5%	H₂S	295442	pricing

	Hydrogen sulfide purum, ≥99.0%	H₂S	84742	pricing

	Krypton puriss., ≥99.998%	Kr	00484	pricing

	Methane ≥99.0%	CH₄	295477	pricing

	Methane electronic grade, ≥99.998%	CH₄	463035	pricing

	Methane puriss., ≥99.995% (GC)	CH₄	02391	pricing

	Methane-¹²C 99.9 atom % ¹²C	¹²CH₄	490210	pricing

	Methane-¹³C 99 atom % ¹³C	¹³CH₄	490229	pricing

	Methane-¹³C,d₄ 99 atom % ¹³C, 99 atom % D	¹³CD₄	493007	pricing

	Methane-d₁ 98 atom % D	CDH₃	490237	pricing

	Methane-d₂ 98 atom % D	CD₂H₂	486841	pricing

	Methane-d₃ 98 atom % D	CD₃H	486868	pricing

	Methane-d₃-thiol 98 atom % D	CD₃HS	614904	pricing

	Methane-d₄ 99 atom % D	CD₄	490245	pricing

	Methanethiol ≥99.5%	CH₄S	295515	pricing

	Methyl-d₃-amine 99 atom % D	CD₃H₂N	486892	pricing

	Methylamine purum, ≥99.0%	CH₅N	65568	pricing

	Methylamine purum, ≥99.0%	CH₅N	65569	pricing

	Methylamine purum, ≥99.0%	CH₅N	65571	pricing

	Methylamine purum, ≥99.0%	CH₅N	65572	pricing

	Methylamine purum, ≥99.0%	CH₅N	65576	pricing

	Methylsilane electronic grade, ≥99.9%	CH₆Si	462993	pricing

	Molybdenum(VI) fluoride ≥99.9%	F₆Mo	399094	pricing

	Neon puriss., ≥99.99%	Ne	17366	pricing

	Nitric oxide 98.5%	NO	295566	pricing

	Nitric-¹⁵N oxide-¹⁸O 98 atom % ¹⁵N, 95 atom % ¹⁸O	¹⁵N¹⁸O	486108	pricing

	Nitrogen ≥99.998%	N₂	295574	pricing

	Nitrogen dioxide ≥99.5%	NO₂	295582	pricing

	Nitrogen dioxide purum, ≥98.5%	NO₂	85844	pricing

	Nitrogen puriss., ≥99.999%	N₂	00474	pricing

	Nitrogen-¹⁵N dioxide 99 atom % ¹⁵N	N₂O₄	486922	pricing

	Nitrogen-¹⁵N₂ 98 atom % ¹⁵N	¹⁵N₂	364584	pricing

	Nitrous oxide 99%	N₂O	295590	pricing

	Nitrous oxide puriss., ≥99.998%	N₂O	00583	pricing

	Nitrous oxide-¹⁵N₂ 98 atom % ¹⁵N	¹⁵N₂O	490377	pricing

	Oxygen ≥99.6%	O₂	295604	pricing

	Oxygen puriss., ≥99.998%	O₂	00476	pricing

	Oxygen-¹⁸O₂ 97 atom % ¹⁸O	¹⁸O₂	490474	pricing

	Oxygen-¹⁸O₂ 99 atom % ¹⁸O	¹⁸O₂	602892	pricing

	Pentafluoroiodoethane 97%	C₂F₅I	331015	pricing

	Pentafluoroiodoethane purum, ≥97.0% (GC)	C₂F₅I	77265	pricing

	Phosphine electronic grade, ≥99.9995%	H₃P	295647	pricing

	Phosphine-d₃ electronic grade, 98 atom % D	D₃P	463124	pricing

	Propane 98%	C₃H₈	295655	pricing

	Propane 99.97%	C₃H₈	536172	pricing

	Propane-1,1,1,3,3,3-d₆ 98 atom % D	C₃D₆H₂	490598	pricing

	Propane-1-¹³C 99 atom % ¹³C	¹³CC₂H₈	493309	pricing

	Propane-2,2-d₂ 98 atom % D	C₃D₂H₆	493317	pricing

	Propane-d₈ 99 atom % D	C₃D₈	490601	pricing

	Propene-2-¹³C 99 atom % ¹³C	¹³CC₂H₆	487015	pricing

	Propene-d₆ 99 atom % D	C₃D₆	455687	pricing

	Propylene ≥99%	C₃H₆	295663	pricing

	Propylene purum, ≥98.0% (GC)	C₃H₆	82222	pricing

	Propyne 98%	C₃H₄	480983	pricing

	Silane ≥99.998%, electronic grade	H₄Si	333891	pricing

	Silicon tetrafluoride electronic grade, ≥99.99%	F₄Si	463019	pricing

	Sulfur dioxide ≥99.9%	O₂S	84692	pricing

	Sulfur dioxide ≥99.9%	O₂S	295698	pricing

	Sulfur dioxide puriss., ≥99.9%	O₂S	84694	pricing

	Sulfur dioxide puriss., ≥99.9%	O₂S	84693	pricing

	Sulfur hexafluoride ≥99.75%	F₆S	295701	pricing

	Sulfur tetrafluoride purum	F₄S	84730	pricing

	Sulfur trioxide contains stabilizer, 99%	O₃S	425478	pricing

	Sulfuryl chloride fluoride technical grade, ≥90%	ClFO₂S	437999	pricing

	Trifluoroacetonitrile 99%	C₂F₃N	544078	pricing

	Trifluoroacetyl chloride 98%	C₂ClF₃O	300004	pricing

	Trifluoroiodomethane 99%	CF₃I	171441	pricing

	Trifluoroiodomethane purum, ≥99.0% (GC)	CF₃I	91860	pricing

	Trifluoromethane ≥98%	CHF₃	295337	pricing

	Trimethyl-d₉-amine 99 atom % D	C₃D₉N	486221	pricing

	Trimethylamine anhydrous, 99%	C₃H₉N	243205	pricing

	Trimethylamine cylinder, anhydrous, 99%	C₃H₉N	702846	pricing

	Trimethylamine purum, ≥99.0%	C₃H₉N	92250	pricing

	Trimethylamine purum, ≥99.0%	C₃H₉N	92251	pricing

	Trimethylamine purum, ≥99.0%	C₃H₉N	92252	pricing

	Trimethylamine purum, ≥99.0%	C₃H₉N	92256	pricing

	Trimethylamine-¹⁵N 98 atom % ¹⁵N	C₃H₉¹⁵N	490946	pricing

	Trimethylboron electronic grade, ≥98.35%	C₃H₉B	463094	pricing

	Trimethylboron-d₉ electronic grade, 99.4% (CP), 99 atom % D	C₃D₉B	463426	pricing

	Tungsten(VI) fluoride ≥99.9%	F₆W	399108	pricing

	Vinyl bromide 98%	C₂H₃Br	V1902	pricing

	Vinyl chloride ≥99.5%	C₂H₃Cl	387622	pricing

	Vinyl chloride puriss., ≥99.5% (GC)	C₂H₃Cl	94931	pricing

	Xenon puriss., ≥99.995%	Xe	00472	pricing

	cis-2-Butene ≥99%	C₄H₈	400890	pricing

	cis-2-Butene 95%	C₄H₈	295078	pricing

	trans-2-Butene ≥99%	C₄H₈	295086	pricing

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