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.
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Gas Equipment Product Guide .
Product #
Image
Description
Molecular Formula
Add to Cart
294977
Air dry
294985
Allene 97%
C3 H4
294993
Ammonia anhydrous, ≥99.99%
H3 N
487953
Ammonia-15 N 10 atom % 15 N
H3 15 N
422975
Ammonia-d3 99 atom % D
D3 N
485373
Ammonia-15 N,d3 99 atom % D, 98 atom % 15 N
D3 15 N
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-13 C 99 atom % 13 C
13 CH3 Br
488291
Bromomethane-d3 99.5 atom % D
CD3 Br
18855
1,2-Butadiene purum, ≥97.0% (GC, 13 C-NMR)
C4 H6
18871
1,3-Butadiene puriss., ≥99.5% (GC)
C4 H6
17932
1,3-Butadiene puriss., ≥99.5% (GC)
C4 H6
295035
1,3-Butadiene ≥99%
C4 H6
695904
1,3-Butadiene solution 15 wt. % in hexane
C4 H6
487228
1,3-Butadiene-d6 98 atom % D
C4 D6
494402
Butane 99%
C4 H10
488321
Butane-1-13 C 99 atom % 13 C
13 CC3 H10
488305
Butane-1,1,1,4,4,4-d6 98 atom % D
C4 D6 H4
488313
Butane-1,4-13 C2 99 atom % 13 C
13 C2 C2 H10
488348
Butane-d10 98 atom % D
C4 D10
19061
1-Butene ≥99.0% (GC)
C4 H8
295051
1-Butene ≥99%
C4 H8
400890
cis -2-Butene ≥99%
C4 H8
295086
trans -2-Butene ≥99%
C4 H8
633755
1-Butyne ≥98%
C4 H6
295108
Carbon dioxide ≥99.8%
CO2
422606
Carbon-12 C dioxide 99.9 atom % 12 C
12 CO2
486418
Carbon-13 C dioxide 99.93 atom % 16 O, 99 atom % 13 C
13 CO2
364592
Carbon-13 C dioxide 99 atom % 13 C, <3 atom % 18 O
13 CO2
295116
Carbon monoxide ≥99.0%
CO
418072
Carbon-12 C monoxide 99.95 atom % 12 C
12 CO
607177
Carbon-12 C monoxide-18 O 99.9 atom % 12 C, 95 atom % 18 O
12 C18 O
388505
Carbon-13 C monoxide <5 atom % 18 O, 99 atom % 13 C
13 CO
609706
Carbon monoxide-18 O 95 atom % 18 O, 99% (CP)
C18 O
607142
Carbon-13 C monoxide-18 O Gas 95 atom % 18 O, 99 atom % 13 C
13 C18 O
295736
Carbon tetrafluoride 99.9%
CF4
295124
Carbonyl sulfide ≥97.5%
COS
486469
Carbonyl-13 C sulfide 99 atom % 13 C, <5 atom % 18 O
13 COS
22754
Chlorine puriss., ≥99.8%
Cl2
295132
Chlorine ≥99.5%
Cl2
295256
1- Chloro- 1,1- difluoroethane 98%
C2 H3 ClF2
03344
Chloroethane ≥99.8%
C2 H5 Cl
295310
Chloroethane ≥99.7%
C2 H5 Cl
295507
Chloromethane ≥99.5%
CH3 Cl
488542
Chloromethane-13 C 99 atom % 13 C
13 CH3 Cl
488550
Chloromethane-d3 99.5 atom % D
CD3 Cl
295167
Chlorotrifluoroethylene 98%
C2 ClF3
295183
Cyclopropane ≥99%
C3 H6
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
D2 S
463051
Diborane 99.99% (diborane only), 9-11% (balance hydrogen), 10% in hydrogen, electronic grade
H6 B2
463140
Diborane-d6 10% in helium, electronic grade
D6 B2
295213
Dichlorofluoromethane 98%
CHCl2 F
333395
Dichlorosilane ≥99.99% trace metals basis
H2 Cl2 Si
295248
1,2- Dichlorotetrafluoroethane ≥99.5%
C2 Cl2 F4
295264
1,1-Difluoroethane ≥98%
C2 H4 F2
295272
1,1-Difluoroethylene ≥99%
C2 H2 F2
318043
Difluoromethane 99.7%
CH2 F2
295280
Dimethylamine anhydrous, ≥99%
C2 H7 N
486558
Dimethyl-d6 -amine 99 atom % D
C2 D6 HN
295299
Dimethyl ether ≥99%
C2 H6 O
488879
Dimethyl ether-d6 99 atom % D
C2 D6 O
463043
Disilane electronic grade
H6 Si2
00582
Ethane ≥99.95% (GC)
C2 H6
539775
Ethane 99.99%
C2 H6
295302
Ethane ≥99%
C2 H6
489239
Ethane-d1 98 atom % D
C2 DH5
492558
Ethane-13 C1 99 atom % 13 C
13 CCH6
485624
Ethane-1,1,2,2-d4 99 atom % D
C2 D4 H2
489220
Ethane-13 C2 99 atom % 13 C
13 C2 H6
489247
Ethane-d5 99 atom % D
C2 D5 H
489255
Ethane-d6 99 atom % D, gas
C2 D6
02941
Ethylamine anhydrous, ≥99.0%
C2 H7 N
02946
Ethylamine anhydrous, ≥99.5%
C2 H7 N
243191
Ethylamine 97%
C2 H7 N
301264
Ethylamine 97%
C2 H7 N
724033
Ethylamine 99.0%
C2 H7 N
536164
Ethylene 99.99%
C2 H4
295329
Ethylene ≥99.5%
C2 H4
489344
Ethylene-13 C1 99 atom % 13 C
13 CCH4
489352
Ethylene-13 C2 99 atom % 13 C
13 C2 H4
422851
Ethylene-d4 99 atom % D
C2 D4
387614
Ethylene oxide ≥99.5%
C2 H4 O
492612
Ethylene oxide-13 C2 99 atom % 13 C
13 C2 H4 O
457833
Ethylene-d4 oxide 98 atom % D
C2 D4 O
489409
Fluoromethane-13 C 99 atom % 13 C
13 CH3 F
486663
Fluoromethane-d3 99 atom % D
CD3 F
364533
Fluorotrimethylsilane 96%
C3 H9 FSi
463027
Germane electronic grade, ≥99.997%
H4 Ge
463000
Germanium(IV) fluoride electronic grade, ≥99.9%
F4 Ge
401501
Germanium(IV) fluoride 99.95%
F4 Ge
295345
Helium ≥99.995%
He
00488
Helium ≥99.999%
He
295353
Hexafluoroacetone 97%
C3 F6 O
405264
Hexafluoro-2-butyne 99%
C4 F6
295361
Hexafluoroethane ≥98%
C2 F6
295388
Hexafluoropropene ≥99%
C3 F6
323640
Hexafluoropropylene oxide 98%
C3 F6 O
227064
Hexane, mixture of isomers anhydrous, ≥99%
C6 H14
295396
Hydrogen ≥99.99%
H2
00473
Hydrogen ≥99.999%
H2
295418
Hydrogen bromide ReagentPlus ® , ≥99%
HBr
26614
Hydrogen chloride puriss., ≥99.8%
HCl
295426
Hydrogen chloride ReagentPlus ® , ≥99%
HCl
84742
Hydrogen sulfide purum, ≥99.0%
H2 S
295442
Hydrogen sulfide ≥99.5%
H2 S
463035
Methane electronic grade, ≥99.998%
CH4
295477
Methane ≥99.0%
CH4
490237
Methane-d1 98 atom % D
CDH3
490210
Methane-12 C 99.9 atom % 12 C
12 CH4
490229
Methane-13 C 99 atom % 13 C
13 CH4
486841
Methane-d2 98 atom % D
CD2 H2
486868
Methane-d3 98 atom % D
CD3 H
490245
Methane-d4 99 atom % D
CD4
493007
Methane-13 C,d4 99 atom % 13 C, 99 atom % D
13 CD4
295515
Methanethiol ≥99.5%
CH4 S
614904
Methane-d3 -thiol 98 atom % D
CD3 HS
486892
Methyl-d3 -amine 99 atom % D
CD3 H2 N
66072
3-Methyl-1-butene technical, ≥90% (GC)
C5 H10
58351
2-Methylpropane puriss.
C4 H10
539821
2-Methylpropane 99.995%
C4 H10
295450
2-Methylpropane 99%
C4 H10
487627
2-Methylpropane-2-d 98 atom % D
C4 DH9
58552
2-Methylpropene purum, ≥99.5%
C4 H8
295469
2-Methylpropene 99%
C4 H8
462993
Methylsilane electronic grade, ≥99.9%
CH6 Si
17366
Neon puriss., ≥99.99%
Ne
295566
Nitric oxide 98.5%
NO
486108
Nitric-15 N oxide-18 O 98 atom % 15 N, 95 atom % 18 O
15 N18 O
295574
Nitrogen ≥99.998%
N2
364584
Nitrogen-15 N2 98 atom % 15 N
15 N2
295582
Nitrogen dioxide ≥99.5%
NO2
486922
Nitrogen-15 N dioxide 99 atom % 15 N
N2 O4
295590
Nitrous oxide 99%
N2 O
490377
Nitrous oxide-15 N2 98 atom % 15 N
15 N2 O
295604
Oxygen ≥99.6%
O2
602892
Oxygen-18 O2 99 atom % 18 O
18 O2
490474
Oxygen-18 O2 97 atom % 18 O
18 O2
331015
Pentafluoroiodoethane 97%
C2 F5 I
411078
1,1,2,2,3- Pentafluoropropane 99%
C3 H3 F5
295647
Phosphine electronic grade, ≥99.9995%
H3 P
536172
Propane 99.97%
C3 H8
295655
Propane 98%
C3 H8
493309
Propane-1-13 C 99 atom % 13 C
13 CC2 H8
490598
Propane- 1,1,1,3,3,3- d6 98 atom % D
C3 D6 H2
493317
Propane-2,2-d2 98 atom % D
C3 D2 H6
490601
Propane-d8 99 atom % D
C3 D8
487015
Propene-2-13 C 99 atom % 13 C
13 CC2 H6
455687
Propene-d6 99 atom % D
C3 D6
295663
Propylene ≥99%
C3 H6
110205
(±)-Propylene oxide ReagentPlus ® , ≥99%
C3 H6 O
471968
(±)-Propylene oxide ReagentPlus ® , 99%
C3 H6 O
480983
Propyne 98%
C3 H4
463019
Silicon tetrafluoride electronic grade, ≥99.99%
F4 Si
84694
Sulfur dioxide puriss., ≥99.9%
O2 S
84692
Sulfur dioxide ≥99.9%
O2 S
295698
Sulfur dioxide ≥99.9%
O2 S
295701
Sulfur hexafluoride ≥99.75%
F6 S
425478
Sulfur trioxide contains stabilizer, 99%
O3 S
437999
Sulfuryl chloride fluoride technical grade, ≥90%
ClFO2 S
374334
1,1,1,2- Tetrafluoroethane ≥99%
C2 H2 F4
544078
Trifluoroacetonitrile 99%
C2 F3 N
300004
Trifluoroacetyl chloride 98%
C2 ClF3 O
171441
Trifluoroiodomethane 99%
CF3 I
295337
Trifluoromethane ≥98%
CHF3
371378
3,3,3- Trifluoropropene 99%
C3 H3 F3
544086
3,3,3- Trifluoro- 1- propyne 97%
C3 HF3
92251
Trimethylamine ≥99.0%
C3 H9 N
243205
Trimethylamine anhydrous, ≥99%
C3 H9 N
702846
Trimethylamine anhydrous, cylinder, with 316SS needle valve, 99%
C3 H9 N
490946
Trimethylamine-15 N 98 atom % 15 N
C3 H9 15 N
486221
Trimethyl-d9 -amine 99 atom % D
C3 D9 N
463094
Trimethylboron electronic grade, ≥98.35%
C3 H9 B
463426
Trimethylboron-d9 electronic grade, 99.4% (CP), 99 atom % D
C3 D9 B
399108
Tungsten(VI) fluoride ≥99.9%
F6 W
V1902
Vinyl bromide 98%
C2 H3 Br
387622
Vinyl chloride ≥99.5%
C2 H3 Cl