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
99.0000000 99.9982000

Narrow Results:

By Category
Mixed Gases (13)

Cylinder Size
business facet 1 (5)

business facet 2 (5)

dqa test cylinder size business facet 1 (3)

dqa test cylinder size business facet 2 (3)

DQA test cyl size bus facet 1 (2)

DQA test cyl size bus facet 2 (2)

CGA Connection
350 | 350 (2)

350 (1)

580 (1)

660 (1)

660 | 660 (1)

Gas Comp Amount1
180.0000000 (1)

18.0000000 (2)

1.0000000 (10)

Gas Comp 2
% NITROGEN (8)

% ARGON (3)

% AIR (1)

PPM NITRIC OXIDE (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)

99.9900000 (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)

99.9983000 (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)

99.0100000 (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)

79.0000000 (6)

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)

16.0000000 (8)

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 (1)

Gas Comp Amount3
99.9721000 (1)

Compare Products Up to 4

Gases

Sort by:

E02NI99E15A0309

18PPM Nitric Oxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

18PPM Nitric Oxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

Show Full Description Hide Full Description

Compare

18PPM Nitric Oxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

18PPM Nitric Oxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

18PPM Nitric Oxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

Show Full Description Hide Full Description

Airgas Part #:E02NI99E15A0309

X02AR99C2003250

1% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

1% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

1% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

1% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

1% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02AR99C2003250

X02NI99C2001272

1% Oxygen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-580

1% Oxygen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-580

Show Full Description Hide Full Description

Compare

1% Oxygen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-580

1% Oxygen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-580

1% Oxygen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-580

Show Full Description Hide Full Description

Airgas Part #:X02NI99C2001272

X02NI99C2003789

1% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

1% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

1% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

1% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

1% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02NI99C2003789

X02AR99C3006780

1PPM Propadiene Balance Argon Certified Standard Mixture, Size 300 Cylinder, CGA-350

1PPM Propadiene Balance Argon Certified Standard Mixture, Size 300 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

1PPM Propadiene Balance Argon Certified Standard Mixture, Size 300 Cylinder, CGA-350

1PPM Propadiene Balance Argon Certified Standard Mixture, Size 300 Cylinder, CGA-350

1PPM Propadiene Balance Argon Certified Standard Mixture, Size 300 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02AR99C3006780

NI OX1200

Nitrogen 99 Ox 1 Size 200

Nitrogen 99 Ox 1 Size 200

Show Full Description Hide Full Description

Compare

Nitrogen 99 Ox 1 Size 200

Nitrogen 99 Ox 1 Size 200

Nitrogen 99 Ox 1 Size 200

Show Full Description Hide Full Description

Airgas Part #:NI OX1200

NI FGOX140

Ind-fg Mix 1% Oxygen Balance Nitrogen Ind-fg Mix 1% Oxygen Balance Nitrogen Size 40 CGA-580

Ind-fg Mix 1% Oxygen Balance Nitrogen Ind-fg Mix 1% Oxygen Balance Nitrogen Size 40 CGA-580

Show Full Description Hide Full Description

Compare

Ind-fg Mix 1% Oxygen Balance Nitrogen Ind-fg Mix 1% Oxygen Balance Nitrogen Size 40 CGA-580

Ind-fg Mix 1% Oxygen Balance Nitrogen Ind-fg Mix 1% Oxygen Balance Nitrogen Size 40 CGA-580

Ind-fg Mix 1% Oxygen Balance Nitrogen Ind-fg Mix 1% Oxygen Balance Nitrogen Size 40 CGA-580

Show Full Description Hide Full Description

Airgas Part #:NI FGOX140

X02AI99P15AF797

Ps 18PPM Hydrogen Sulfide Balance Air Size 150A Primary Standard CGA 330

Ps 18PPM Hydrogen Sulfide Balance Air Size 150A Primary Standard CGA 330

Show Full Description Hide Full Description

Compare

Ps 18PPM Hydrogen Sulfide Balance Air Size 150A Primary Standard CGA 330

Ps 18PPM Hydrogen Sulfide Balance Air Size 150A Primary Standard CGA 330

Ps 18PPM Hydrogen Sulfide Balance Air Size 150A Primary Standard CGA 330

Show Full Description Hide Full Description

Airgas Part #:X02AI99P15AF797

NI HE16K

Nitrogen 99 He 1 Size 6K CGA-677

Nitrogen 99 He 1 Size 6K CGA-677

Show Full Description Hide Full Description

Compare

Nitrogen 99 He 1 Size 6K CGA-677

Nitrogen 99 He 1 Size 6K CGA-677

Nitrogen 99 He 1 Size 6K CGA-677

Show Full Description Hide Full Description

Airgas Part #:NI HE16K

E03NI99E15A47Y3

99PPM Nitric Oxide 180PPM Sulfur Dioxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

99PPM Nitric Oxide 180PPM Sulfur Dioxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

Show Full Description Hide Full Description

Compare

99PPM Nitric Oxide 180PPM Sulfur Dioxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

99PPM Nitric Oxide 180PPM Sulfur Dioxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

99PPM Nitric Oxide 180PPM Sulfur Dioxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A47Y3

NI HY1300

Nitrogen 99 Hy 1 Size 300 CGA-350

Nitrogen 99 Hy 1 Size 300 CGA-350

Show Full Description Hide Full Description

Compare

Nitrogen 99 Hy 1 Size 300 CGA-350

Nitrogen 99 Hy 1 Size 300 CGA-350

Nitrogen 99 Hy 1 Size 300 CGA-350

Show Full Description Hide Full Description

Airgas Part #:NI HY1300

X02NI99CP58V0L7

Ct 1% Oxygen Balance Nitrogen Size 58DAL Ct 1% Oxygen Balance Nitrogen Size 58DAL Certified Standard-spec CGA-C10

Ct 1% Oxygen Balance Nitrogen Size 58DAL Ct 1% Oxygen Balance Nitrogen Size 58DAL Certified Standard-spec CGA-C10

Show Full Description Hide Full Description

Compare

Ct 1% Oxygen Balance Nitrogen Size 58DAL Ct 1% Oxygen Balance Nitrogen Size 58DAL Certified Standard-spec CGA-C10

Ct 1% Oxygen Balance Nitrogen Size 58DAL Ct 1% Oxygen Balance Nitrogen Size 58DAL Certified Standard-spec CGA-C10

Ct 1% Oxygen Balance Nitrogen Size 58DAL Ct 1% Oxygen Balance Nitrogen Size 58DAL Certified Standard-spec CGA-C10

Show Full Description Hide Full Description

Airgas Part #:X02NI99CP58V0L7

AR OX1200C

Argon 99 Ox 1 Size 200 Customer Owned CGA-580

Argon 99 Ox 1 Size 200 Customer Owned CGA-580

Show Full Description Hide Full Description

Compare

Argon 99 Ox 1 Size 200 Customer Owned CGA-580

Argon 99 Ox 1 Size 200 Customer Owned CGA-580

Argon 99 Ox 1 Size 200 Customer Owned CGA-580

Show Full Description Hide Full Description

Airgas Part #:AR OX1200C

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 |

D99AF07E39303D4773A3F77AD1FB7BF7