Specialty Gases

Sigma-Aldrich offers a wide range of high-quality specialty gases and dispensing equipment for all your chemical research needs. Simply select your gas from the list below (gases available from Sigma-Aldrich are listed alphabetically by name), then click on the appropriate link in the table to go to the product detail page to find additional ordering and packaging information as well as recommended dispensing equipment for each respective gas under the "related products" tab.

For additional information on specialty gas equipment, including information on regulators, valves, and other dispensing equipment, please visit the Gas Equipment Product Guide.
Sure/Pac station
Sure/Pac steel sample cylinders
Lecture bottle station

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Description

Molecular Formula

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294977   Air dry  
294985 Allene 97%, contains MEHQ as inhibitor C3H4
294993 Ammonia anhydrous, ≥99.99% H3N
487953 Ammonia-15N 10 atom % 15N H315N
422975 Ammonia-d3 99 atom % D D3N
485373 Ammonia-15N,d3 99 atom % D, 98 atom % 15N D315N
00752 Argon ≥99.998% Ar
295000 Argon ≥99.998% Ar
295019 Boron trichloride 99.9% BCl3
463086 Boron trifluoride electronic grade, ≥99.99% BF3
295027 Boron trifluoride ≥99.5% BF3
15714 Boron trifluoride purum, ≥99.5% BF3
415561 Bromomethane-13C 99 atom % 13C 13CH3Br
488291 Bromomethane-d3 99.5 atom % D CD3Br
18855 1,2-Butadiene purum, ≥97.0% (GC, 13C-NMR) C4H6
17932 1,3-Butadiene puriss., ≥99.5% (GC) C4H6
295035 1,3-Butadiene ≥99% C4H6
695904 1,3-Butadiene solution 15 wt. % in hexane C4H6
487228 1,3-Butadiene-d6 98 atom % D C4D6
494402 Butane 99% C4H10
488321 Butane-1-13C 99 atom % 13C 13CC3H10
488305 Butane-1,1,1,4,4,4-d6 98 atom % D C4D6H4
488313 Butane-1,4-13C2 99 atom % 13C 13C2C2H10
488348 Butane-d10 98 atom % D C4D10
19061 1-Butene ≥99.0% (GC) C4H8
295051 1-Butene ≥99% C4H8
400890 cis-2-Butene ≥99% C4H8
295086 trans-2-Butene ≥99% C4H8
633755 1-Butyne ≥98% C4H6
295108 Carbon dioxide ≥99.8% CO2
422606 Carbon-12C dioxide 99.9 atom % 12C 12CO2
486418 Carbon-13C dioxide 99.93 atom % 16O, 99 atom % 13C 13CO2
364592 Carbon-13C dioxide 99 atom % 13C, <3 atom % 18O 13CO2
295116 Carbon monoxide ≥99.0% CO
418072 Carbon-12C monoxide 99.95 atom % 12C 12CO
607177 Carbon-12C monoxide-18O 99.9 atom % 12C, 95 atom % 18O 12C18O
388505 Carbon-13C monoxide <5 atom % 18O, 99 atom % 13C 13CO
609706 Carbon monoxide-18O 95 atom % 18O, 99% (CP) C18O
607142 Carbon-13C monoxide-18O Gas 95 atom % 18O, 99 atom % 13C 13C18O
295736 Carbon tetrafluoride 99.9% CF4
295124 Carbonyl sulfide ≥97.5% COS
486469 Carbonyl-13C sulfide 99 atom % 13C, <5 atom % 18O 13COS
22754 Chlorine puriss., ≥99.8% Cl2
295132 Chlorine ≥99.5% Cl2
295256 1-Chloro-1,1-difluoroethane 98% C2H3ClF2
03344 Chloroethane ≥99.8% C2H5Cl
295310 Chloroethane ≥99.7% C2H5Cl
295507 Chloromethane ≥99.5% CH3Cl
488542 Chloromethane-13C 99 atom % 13C 13CH3Cl
488550 Chloromethane-d3 99.5 atom % D CD3Cl
295167 Chlorotrifluoroethylene 98% C2ClF3
295183 Cyclopropane ≥99% C3H6
368407 Deuterium 99.96 atom % D D2
617474 Deuterium 99.9 atom % D D2
361860 Deuterium 99.8 atom % D D2
486515 Deuterium bromide 99 atom % D DBr
488682 Deuterium chloride 99 atom % D DCl
488690 Deuterium hydride extent of labeling: 96 mol% DH, 98 atom % D HD
486523 Deuterium sulfide 97 atom % D D2S
463051 Diborane 99.99% (diborane only), 9-11% (balance hydrogen), 10% in hydrogen, electronic grade H6B2
463140 Diborane-d6 10% in helium, electronic grade D6B2
295213 Dichlorofluoromethane 98% CHCl2F
333395 Dichlorosilane ≥99.99% trace metals basis H2Cl2Si
295248 1,2-Dichlorotetrafluoroethane ≥99.5% C2Cl2F4
295264 1,1-Difluoroethane ≥98% C2H4F2
295272 1,1-Difluoroethylene ≥99% C2H2F2
318043 Difluoromethane 99.7% CH2F2
295280 Dimethylamine anhydrous, ≥99% C2H7N
486558 Dimethyl-d6-amine 99 atom % D C2D6HN
295299 Dimethyl ether ≥99% C2H6O
488879 Dimethyl ether-d6 99 atom % D, 99% (CP) C2D6O
463043 Disilane electronic grade H6Si2
00582 Ethane ≥99.95% (GC) C2H6
539775 Ethane 99.99% C2H6
295302 Ethane ≥99% C2H6
489239 Ethane-d1 98 atom % D C2DH5
492558 Ethane-13C1 99 atom % 13C 13CCH6
485624 Ethane-1,1,2,2-d4 99 atom % D C2D4H2
489220 Ethane-13C2 99 atom % 13C 13C2H6
489247 Ethane-d5 99 atom % D C2D5H
489255 Ethane-d6 gas, 99 atom % D C2D6
02941 Ethylamine anhydrous, ≥99.0% C2H7N
243191 Ethylamine 97% C2H7N
301264 Ethylamine 97% C2H7N
724033 Ethylamine 99.0% C2H7N
536164 Ethylene 99.99% C2H4
03482 Ethylene purum, ≥99.9% C2H4
03484 Ethylene ≥99.9% C2H4
295329 Ethylene ≥99.5% C2H4
489344 Ethylene-13C1 99 atom % 13C 13CCH4
489352 Ethylene-13C2 99 atom % 13C 13C2H4
422851 Ethylene-d4 99 atom % D C2D4
387614 Ethylene oxide ≥99.5% C2H4O
492612 Ethylene oxide-13C2 99 atom % 13C 13C2H4O
457833 Ethylene-d4 oxide 98 atom % D C2D4O
489409 Fluoromethane-13C 99 atom % 13C 13CH3F
486663 Fluoromethane-d3 99 atom % D CD3F
364533 Fluorotrimethylsilane 96% C3H9FSi
463027 Germane electronic grade, ≥99.997% H4Ge
463000 Germanium(IV) fluoride electronic grade, ≥99.9% F4Ge
401501 Germanium(IV) fluoride 99.95% F4Ge
295345 Helium ≥99.995% He
00488 Helium ≥99.999% He
295353 Hexafluoroacetone 97% C3F6O
405264 Hexafluoro-2-butyne 99% C4F6
295361 Hexafluoroethane ≥98% C2F6
295388 Hexafluoropropene ≥99% C3F6
323640 Hexafluoropropylene oxide 98% C3F6O
227064 Hexane, mixture of isomers anhydrous, ≥99% C6H14
295396 Hydrogen ≥99.99% H2
00473 Hydrogen ≥99.999% H2
295418 Hydrogen bromide ReagentPlus®, ≥99% HBr
295426 Hydrogen chloride ReagentPlus®, ≥99% HCl
84742 Hydrogen sulfide purum, ≥99.0% H2S
295442 Hydrogen sulfide ≥99.5% H2S
463035 Methane electronic grade, ≥99.998% CH4
295477 Methane ≥99.0% CH4
490237 Methane-d1 98 atom % D CDH3
490229 Methane-13C 99 atom % 13C 13CH4
486841 Methane-d2 98 atom % D CD2H2
486868 Methane-d3 98 atom % D CD3H
490245 Methane-d4 99 atom % D CD4
493007 Methane-13C,d4 99 atom % 13C, 99 atom % D 13CD4
490210   Methane-12C, 13C-depleted 99.9 atom % 12C 12CH4
295515 Methanethiol ≥99.5% CH4S
614904 Methane-d3-thiol 98 atom % D CD3HS
486892 Methyl-d3-amine 99 atom % D CD3H2N
66072 3-Methyl-1-butene technical, ≥90% (GC) C5H10
58351 2-Methylpropane puriss. C4H10
539821 2-Methylpropane 99.995% C4H10
295450 2-Methylpropane 99% C4H10
487627 2-Methylpropane-2-d 98 atom % D C4DH9
58552 2-Methylpropene purum, ≥99.5% C4H8
295469 2-Methylpropene 99% C4H8
462993 Methylsilane electronic grade, ≥99.9% CH6Si
295566 Nitric oxide 98.5% NO
486108 Nitric-15N oxide-18O 98 atom % 15N, 95 atom % 18O 15N18O
295574 Nitrogen ≥99.998% N2
364584 Nitrogen-15N2 98 atom % 15N 15N2
295582 Nitrogen dioxide ≥99.5% NO2
486922 Nitrogen-15N dioxide 99 atom % 15N N2O4
295590 Nitrous oxide 99% N2O
490377 Nitrous oxide-15N2 98 atom % 15N 15N2O
295604 Oxygen ≥99.6% O2
602892 Oxygen-18O2 99 atom % 18O 18O2
490474 Oxygen-18O2 97 atom % 18O 18O2
331015 Pentafluoroiodoethane 97% C2F5I
411078 1,1,2,2,3-Pentafluoropropane 99% C3H3F5
295647 Phosphine electronic grade, ≥99.9995% H3P
536172 Propane 99.97% C3H8
295655 Propane 98% C3H8
493309 Propane-1-13C 99 atom % 13C 13CC2H8
490598 Propane-1,1,1,3,3,3-d6 98 atom % D C3D6H2
493317 Propane-2,2-d2 98 atom % D C3D2H6
490601 Propane-d8 99 atom % D C3D8
487015 Propene-2-13C 99 atom % 13C 13CC2H6
455687 Propene-d6 99 atom % D C3D6
295663 Propylene ≥99% C3H6
110205 (±)-Propylene oxide ReagentPlus®, ≥99% C3H6O
471968 (±)-Propylene oxide ReagentPlus®, 99% C3H6O
480983 Propyne 98% C3H4
463019 Silicon tetrafluoride electronic grade, ≥99.99% F4Si
84694 Sulfur dioxide puriss., ≥99.9% O2S
295698 Sulfur dioxide ≥99.9% O2S
295701 Sulfur hexafluoride ≥99.75% F6S
425478 Sulfur trioxide contains stabilizer, ≥99% O3S
437999 Sulfuryl chloride fluoride technical grade, ≥90% ClFO2S
374334 1,1,1,2-Tetrafluoroethane ≥99% C2H2F4
544078 Trifluoroacetonitrile 99% C2F3N
300004 Trifluoroacetyl chloride 98% C2ClF3O
171441 Trifluoroiodomethane 99% CF3I
295337 Trifluoromethane ≥98% CHF3
371378 3,3,3-Trifluoropropene 99% C3H3F3
544086 3,3,3-Trifluoro-1-propyne 97% C3HF3
92251 Trimethylamine ≥99.0% C3H9N
243205 Trimethylamine anhydrous, ≥99% C3H9N
490946 Trimethylamine-15N 98 atom % 15N C3H915N
486221 Trimethyl-d9-amine 99 atom % D C3D9N
463094 Trimethylboron electronic grade, ≥98.35% C3H9B
463426 Trimethylboron-d9 electronic grade, 99.4% (CP), 99 atom % D C3D9B
399108 Tungsten(VI) fluoride ≥99.9% F6W
V1902 Vinyl bromide 98% C2H3Br
387622 Vinyl chloride ≥99.5% C2H3Cl