Gases | STG (stg2.airgas.com)

We use cookies to improve your browsing experience and help us improve our websites. By continuing to use our website, you agree to our use of such cookies. Agree Learn more

Need an Account? Register or Login

One Time Payment | Need an Account? Register or Login

Find A Branch
Customer Service
SDS Search
Careers

Switch Account
Dashboard

Skip to main content

To see product availability

Enter a Delivery Zip Code

Need an Account? Register or Login

One Time Payment | Need an Account? Register or Login

Find A Branch
Customer Service
SDS Search
Careers

×

To see product availability

Enter a Delivery Zip Code

Shop
Industries
Solutions
Resources

TELL US MORE

To receive the most up-to-date product availability, pricing and delivery options, enter your zip code or log in to your account

Zip Code should not be blank Email and Password should not be blank

Enter Delivery Zip Code

or

Log In

Email Address

Password Show Hide

LOG IN

Forgot Password?

Need an Account? Register

TELL US MORE

Are you currently located in California?

8 characters minimum
One number
One lowercase letter
One uppercase letter
One special character (!@#$%&*)

Password cannot contain space

Pursuant to CA SB 478, if you are located in California, Airgas cannot display your product pricing until all items have been added to your shopping cart so that we can calculate all applicable fees, including, but not limited to, shipping and handling fees.

No

Yes

Have an account?Login

Gases
Gas Equipment
Welding Products
Safety Products
Tools & Hardware

#1 Promotion Text #1
View All

Home/
Category Page/
Gases

Results For:
By Category
Gases
Gas Comp Amount2
79.0000000 16.0000000

Narrow Results:

By Category
Mixed Gases (14)

Cylinder Size
business facet 1 (3)

business facet 2 (3)

DQA test cyl size bus facet 1 (1)

DQA test cyl size bus facet 2 (1)

dqa test cylinder size business facet 1 (1)

dqa test cylinder size business facet 2 (1)

CGA Connection
590 (1)

Gas Comp Amount1
84.0000000 (3)

64.0000000 (1)

21.0000000 (4)

20.0000000 (1)

4.0000000 (3)

1.0000000 (1)

Gas Comp 2
% NITROGEN (6)

% OXYGEN (4)

% CARBON DIOXIDE (2)

% HELIUM (1)

PPM NITROGEN DIOXIDE (1)

Gas Comp Amount2
126000.0000000 (1)

13500.0000000 (1)

9900.0000000 (1)

8000.0000000 (1)

6500.0000000 (1)

5200.0000000 (1)

5000.0000000 (3)

4000.0000000 (1)

2500.0000000 (1)

2100.0000000 (1)

2000.0000000 (4)

1800.0000000 (5)

1625.0000000 (1)

1550.0000000 (1)

1500.0000000 (1)

1350.0000000 (1)

1200.0000000 (1)

975.0000000 (1)

950.0000000 (1)

900.0000000 (1)

844.0000000 (1)

800.0000000 (2)

757.0000000 (1)

741.0000000 (1)

617.0000000 (1)

516.0000000 (1)

500.0000000 (8)

485.0000000 (1)

480.0000000 (1)

465.0000000 (1)

449.2000000 (1)

425.0000000 (1)

420.0000000 (1)

415.0000000 (1)

400.0000000 (4)

377.0000000 (1)

360.0000000 (2)

350.0000000 (1)

330.0000000 (1)

300.0000000 (4)

295.0000000 (1)

275.0000000 (1)

252.0000000 (1)

250.0000000 (5)

244.0000000 (1)

240.0000000 (1)

235.0000000 (1)

230.0000000 (2)

225.0000000 (1)

206.0000000 (1)

200.0000000 (5)

193.6000000 (1)

190.0000000 (2)

185.0000000 (1)

180.0000000 (6)

171.0000000 (1)

170.0000000 (1)

165.0000000 (3)

160.0000000 (4)

150.0000000 (2)

140.0000000 (1)

137.5000000 (1)

135.0000000 (3)

129.0000000 (1)

115.0000000 (1)

110.0000000 (1)

99.9975000 (13)

99.9900000 (8)

99.9990000 (8)

99.9995000 (6)

99.9000000 (5)

99.9750000 (5)

99.9980000 (5)

99.99 (3)

99.9945000 (3)

99.9955000 (3)

99.9850000 (2)

99.9910000 (2)

99.9920000 (2)

99.9925000 (2)

99.9940000 (2)

99.9970000 (2)

99.9973000 (2)

99.9978000 (2)

99.9982000 (2)

99.9983000 (2)

99.9991500 (2)

99.9992000 (2)

99.9996000 (2)

99.9100000 (1)

99.9150000 (1)

99.9200000 (1)

99.9230000 (1)

99.9340000 (1)

99.9460000 (1)

99.9519000 (1)

99.9600000 (1)

99.9615000 (1)

99.9640000 (1)

99.9670000 (1)

99.9700000 (1)

99.9725000 (1)

99.9730000 (1)

99.9745000 (1)

99.9780000 (1)

99.9890000 (1)

99.9905000 (1)

99.9915000 (1)

99.9917500 (1)

99.9922000 (1)

99.9930000 (1)

99.9937000 (1)

99.9937500 (1)

99.9948000 (1)

99.9952000 (1)

99.9958000 (1)

99.9960000 (1)

99.9972500 (1)

99.9976000 (1)

99.9977500 (1)

99.9983500 (1)

99.9985000 (1)

99.9989000 (1)

99.9991000 (1)

99.9996500 (1)

99.9998000 (1)

99.9999400 (1)

99.8000000 (3)

99.8945000 (2)

99.8400000 (1)

99.8905000 (1)

99.8912000 (1)

99.8930000 (1)

99.8935000 (1)

99.8940000 (1)

99.8950000 (1)

99.8955000 (1)

99.8960000 (1)

99.8962500 (1)

99.8968000 (1)

99.8975000 (1)

99.8981500 (1)

99.8983000 (1)

99.8984500 (1)

99.8985000 (1)

99.8987500 (1)

99.8994000 (1)

99.7140000 (1)

99.7500000 (1)

99.7580000 (1)

99.7700000 (1)

99.7991000 (1)

99.6000000 (2)

99.5000000 (2)

99.5200000 (1)

99.4000000 (3)

99.2975000 (2)

99.1000000 (1)

99.0000000 (11)

99.0100000 (1)

99.0500000 (1)

98.9475000 (1)

98.3000000 (1)

98.0000000 (11)

97.9900000 (1)

97.5000000 (6)

97.4875000 (1)

97.4925000 (1)

97.0000000 (6)

96.5000000 (1)

96.0000000 (6)

94.9975000 (1)

94.0000000 (3)

93.7500000 (1)

93.0000000 (3)

92.5000000 (1)

92.0000000 (7)

92 (1)

91.2475000 (1)

91.0000000 (2)

90.4900000 (1)

89.5000000 (1)

88.9550000 (1)

88.5000000 (1)

88.0000000 (2)

87.9950000 (2)

87.5000000 (1)

86.5000000 (1)

86.0000000 (1)

85.5000000 (1)

84.7750000 (1)

84.0000000 (2)

83.0000000 (4)

83 (1)

82.6000000 (1)

82.0000000 (6)

81.9375000 (1)

81.9550000 (1)

81.7445000 (1)

81.0000000 (4)

80.6375000 (2)

79.4875000 (2)

79.2000000 (1)

79.1000000 (1)

79.0906000 (1)

78.4000000 (3)

78.2000000 (1)

78.1000000 (2)

78.0000000 (2)

77.8200000 (1)

77.5000000 (1)

77.0000000 (1)

76.9100000 (1)

76.8600000 (1)

76.0000000 (4)

74.0000000 (1)

73.0000000 (1)

69.9500000 (1)

67.0000000 (1)

66.0000000 (2)

65.4600000 (1)

65.0000000 (10)

63.0000000 (3)

62.0000000 (1)

61.0000000 (1)

58.0000000 (1)

56.5000000 (1)

56.0000000 (1)

55.0000000 (12)

54.0000000 (2)

52.0000000 (1)

51.0000000 (1)

49.0000000 (1)

48.0000000 (1)

47.5000000 (3)

47.0000000 (2)

46.0000000 (1)

44.0000000 (1)

43.0000000 (4)

42.5000000 (4)

42.0000000 (4)

38.0000000 (2)

37.5000000 (2)

37.0000000 (2)

34.0000000 (1)

33.0000000 (2)

32.0000000 (2)

31.5000000 (1)

31.0000000 (1)

28.0000000 (2)

27.5000000 (3)

27.0000000 (7)

24.0000000 (1)

23.8000000 (1)

23.4000000 (1)

23.0000000 (1)

22.5000000 (1)

22.0000000 (3)

21.2500000 (1)

20.9000000 (7)

19.0000000 (1)

18.9000000 (1)

18 (1)

17.5000000 (5)

17.0000000 (6)

16.5000000 (1)

15.6000000 (1)

14.0000000 (5)

13.7500000 (1)

13.0000000 (1)

12.5000000 (5)

11.0000000 (5)

10.5000000 (1)

9.5000000 (3)

8.5000000 (4)

7.5000000 (8)

7.0000000 (11)

6.2500000 (1)

5.5000000 (10)

5.4000000 (1)

4.5000000 (4)

4.4000000 (1)

3.7000000 (1)

3.7500000 (1)

3.5000000 (2)

3.4000000 (1)

2.8000000 (1)

2.6000000 (1)

2.2000000 (1)

2.1000000 (1)

1.7000000 (5)

1.5000000 (6)

1.4500000 (2)

1.3500000 (1)

1.1000000 (3)

1.0500000 (1)

0.9000000 (1)

0.9500000 (1)

0.8000000 (1)

0.8500000 (1)

0.7000000 (1)

0.7500000 (1)

0.6000000 (3)

0.4000000 (12)

0.4500000 (1)

0.3000000 (6)

0.3500000 (1)

0.3900000 (1)

0.2500000 (1)

0.2700000 (1)

0.2800000 (1)

0.1050000 (2)

0.1000000 (1)

0.1500000 (1)

0.0050000 (1)

0.0100000 (1)

0.0800000 (1)

Gas Comp 3
% NITROGEN (3)

% CARBON DIOXIDE (2)

% OXYGEN (1)

Gas Comp Amount3
80.0000000 (3)

20.0000000 (2)

1.0000000 (1)

Compare Products Up to 4

Gases

Sort by:

X02NI79C3006271

21% Oxygen Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-590

21% Oxygen Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-590

Show Full Description Hide Full Description

Compare

21% Oxygen Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-590

21% Oxygen Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-590

21% Oxygen Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-590

Show Full Description Hide Full Description

Airgas Part #:X02NI79C3006271

NI CD20OX135

Fg Nitrogen 79 Cd 20 Ox 1 Food Grade CGA-580

Fg Nitrogen 79 Cd 20 Ox 1 Food Grade CGA-580

Show Full Description Hide Full Description

Compare

Fg Nitrogen 79 Cd 20 Ox 1 Food Grade CGA-580

Fg Nitrogen 79 Cd 20 Ox 1 Food Grade CGA-580

Fg Nitrogen 79 Cd 20 Ox 1 Food Grade CGA-580

Show Full Description Hide Full Description

Airgas Part #:NI CD20OX135

Z03NI80F200Y010

4% Carbon Dioxide 16% Oxygen Balance Nitrogen Size 200+ +10% Overfill Precision Blend Pulmonary Function Mix

4% Carbon Dioxide 16% Oxygen Balance Nitrogen Size 200+ +10% Overfill Precision Blend Pulmonary Function Mix

Show Full Description Hide Full Description

Compare

4% Carbon Dioxide 16% Oxygen Balance Nitrogen Size 200+ +10% Overfill Precision Blend Pulmonary Function Mix

4% Carbon Dioxide 16% Oxygen Balance Nitrogen Size 200+ +10% Overfill Precision Blend Pulmonary Function Mix

4% Carbon Dioxide 16% Oxygen Balance Nitrogen Size 200+ +10% Overfill Precision Blend Pulmonary Function Mix

Show Full Description Hide Full Description

Airgas Part #:Z03NI80F200Y010

E02AI99E15A0044

Ep 16PPM Nitrogen Dioxide Balance Air Size 150A Epa Protocol Standard CGA 660

Ep 16PPM Nitrogen Dioxide Balance Air Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Compare

Ep 16PPM Nitrogen Dioxide Balance Air Size 150A Epa Protocol Standard CGA 660

Ep 16PPM Nitrogen Dioxide Balance Air Size 150A Epa Protocol Standard CGA 660

Ep 16PPM Nitrogen Dioxide Balance Air Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Airgas Part #:E02AI99E15A0044

NI OX1680

Industrial 16% Oxygen Balance Nitrogen Size 80 Industrial 16% Oxygen Balance Nitrogen Size 80 Industrial-mix CGA-590

Industrial 16% Oxygen Balance Nitrogen Size 80 Industrial 16% Oxygen Balance Nitrogen Size 80 Industrial-mix CGA-590

Show Full Description Hide Full Description

Compare

Industrial 16% Oxygen Balance Nitrogen Size 80 Industrial 16% Oxygen Balance Nitrogen Size 80 Industrial-mix CGA-590

Industrial 16% Oxygen Balance Nitrogen Size 80 Industrial 16% Oxygen Balance Nitrogen Size 80 Industrial-mix CGA-590

Industrial 16% Oxygen Balance Nitrogen Size 80 Industrial 16% Oxygen Balance Nitrogen Size 80 Industrial-mix CGA-590

Show Full Description Hide Full Description

Airgas Part #:NI OX1680

OX FCD20NI16200

Food Grade 16% Nitrogen 20% Carbon Dioxide Balance Oxygen Size 200 Food Grade-ind Mix CGA 296

Food Grade 16% Nitrogen 20% Carbon Dioxide Balance Oxygen Size 200 Food Grade-ind Mix CGA 296

Show Full Description Hide Full Description

Compare

Food Grade 16% Nitrogen 20% Carbon Dioxide Balance Oxygen Size 200 Food Grade-ind Mix CGA 296

Food Grade 16% Nitrogen 20% Carbon Dioxide Balance Oxygen Size 200 Food Grade-ind Mix CGA 296

Food Grade 16% Nitrogen 20% Carbon Dioxide Balance Oxygen Size 200 Food Grade-ind Mix CGA 296

Show Full Description Hide Full Description

Airgas Part #:OX FCD20NI16200

AR CD16C22

Industrial 16% Carbon Dioxide Balance Argon Size 200 12PK Industrial-mix CGA-580

Industrial 16% Carbon Dioxide Balance Argon Size 200 12PK Industrial-mix CGA-580

Show Full Description Hide Full Description

Compare

Industrial 16% Carbon Dioxide Balance Argon Size 200 12PK Industrial-mix CGA-580

Industrial 16% Carbon Dioxide Balance Argon Size 200 12PK Industrial-mix CGA-580

Industrial 16% Carbon Dioxide Balance Argon Size 200 12PK Industrial-mix CGA-580

Show Full Description Hide Full Description

Airgas Part #:AR CD16C22

Z03NI805E74G3

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE E LUNG DIFFUSION CGA973

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE E LUNG DIFFUSION CGA973

Show Full Description Hide Full Description

Compare

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE E LUNG DIFFUSION CGA973

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE E LUNG DIFFUSION CGA973

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE E LUNG DIFFUSION CGA973

Show Full Description Hide Full Description

Airgas Part #:Z03NI805E74G3

Z03NI8052002696

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE 200 LUNG DIFFUSION CGA500

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE 200 LUNG DIFFUSION CGA500

Show Full Description Hide Full Description

Compare

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE 200 LUNG DIFFUSION CGA500

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE 200 LUNG DIFFUSION CGA500

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE 200 LUNG DIFFUSION CGA500

Show Full Description Hide Full Description

Airgas Part #:Z03NI8052002696

AR CD16125C

Industrial 16% Carbon Dioxide Balance Argon Size 125 Industrial-mix Customer Owned CGA-580

Industrial 16% Carbon Dioxide Balance Argon Size 125 Industrial-mix Customer Owned CGA-580

Show Full Description Hide Full Description

Compare

Industrial 16% Carbon Dioxide Balance Argon Size 125 Industrial-mix Customer Owned CGA-580

Industrial 16% Carbon Dioxide Balance Argon Size 125 Industrial-mix Customer Owned CGA-580

Industrial 16% Carbon Dioxide Balance Argon Size 125 Industrial-mix Customer Owned CGA-580

Show Full Description Hide Full Description

Airgas Part #:AR CD16125C

NI OX21C22

Nitrogen 79 Ox 21 Size 200 12PK CGA-590

Nitrogen 79 Ox 21 Size 200 12PK CGA-590

Show Full Description Hide Full Description

Compare

Nitrogen 79 Ox 21 Size 200 12PK CGA-590

Nitrogen 79 Ox 21 Size 200 12PK CGA-590

Nitrogen 79 Ox 21 Size 200 12PK CGA-590

Show Full Description Hide Full Description

Airgas Part #:NI OX21C22

HE DVGOX21C62

Diving Grade 21% Oxygen Balance Helium Size 200 6PK Diving Grade-ind Mix CGA-590

Diving Grade 21% Oxygen Balance Helium Size 200 6PK Diving Grade-ind Mix CGA-590

Show Full Description Hide Full Description

Compare

Diving Grade 21% Oxygen Balance Helium Size 200 6PK Diving Grade-ind Mix CGA-590

Diving Grade 21% Oxygen Balance Helium Size 200 6PK Diving Grade-ind Mix CGA-590

Diving Grade 21% Oxygen Balance Helium Size 200 6PK Diving Grade-ind Mix CGA-590

Show Full Description Hide Full Description

Airgas Part #:HE DVGOX21C62

NI OX2180

Nitrogen 79 Ox 21 Size 80 CGA-590

Nitrogen 79 Ox 21 Size 80 CGA-590

Show Full Description Hide Full Description

Compare

Nitrogen 79 Ox 21 Size 80 CGA-590

Nitrogen 79 Ox 21 Size 80 CGA-590

Nitrogen 79 Ox 21 Size 80 CGA-590

Show Full Description Hide Full Description

Airgas Part #:NI OX2180

NI FGCD20OX180

Ind-fg Mix 1% Oxygen 20% Carbon Dioxide Ind-fg Mix 1% Oxygen 20% Carbon Dioxide Balance Nitrogen Size 80 CGA-580

Ind-fg Mix 1% Oxygen 20% Carbon Dioxide Ind-fg Mix 1% Oxygen 20% Carbon Dioxide Balance Nitrogen Size 80 CGA-580

Show Full Description Hide Full Description

Compare

Ind-fg Mix 1% Oxygen 20% Carbon Dioxide Ind-fg Mix 1% Oxygen 20% Carbon Dioxide Balance Nitrogen Size 80 CGA-580

Ind-fg Mix 1% Oxygen 20% Carbon Dioxide Ind-fg Mix 1% Oxygen 20% Carbon Dioxide Balance Nitrogen Size 80 CGA-580

Ind-fg Mix 1% Oxygen 20% Carbon Dioxide Ind-fg Mix 1% Oxygen 20% Carbon Dioxide Balance Nitrogen Size 80 CGA-580

Show Full Description Hide Full Description

Airgas Part #:NI FGCD20OX180

Gas Supply

Gas Supply Modes
Bulk
Cylinders
Dynamic On-site Mixer
Jobsite Skid
Liquid Cylinders
MicroBulk
On-site Generation - FLOXAL

Solutions

Airgas Dry Ice
eBusiness Solutions
Red-D-Arc
Safety Solutions
Supply Chain Solutions
Welding Automation
Welding Efficiency

Industries

Airgas Healthcare
Beverage
Construction
Energy & Chemicals
Food
Life Sciences
Metal Fabrication
Primary Materials
Retail

Resources

Airgas Outlet
Catalogs
COA Search
FAQs
Offers & Rebates
Safety Notices
SDS Search
Tutorials
User Guides

Our Company

Careers
Events
Mergers & Acquisitions
Newsroom
Overview
Sustainability
Visit Parent Company

Contact

Connect with Sales
Customer Service
Find a Branch
Emergency Response

Login
Register
Shop Products
Find A Branch
Industries
Solutions
Customer Service
Search Careers
Newsroom

© 2023 Airgas, Inc. All Rights Reserved.
|Customer Service ||Privacy Policy ||Terms & Conditions ||Terms of Sale ||Do Not Sell/Share My Personal Information ||Mobile App Policy ||Website Accessibility ||Return Policy |

A2FE2E19EFF747092AB73F812783D705