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 Amount1
91.0000000 97.8000000 25

Narrow Results:

By Category
Mixed Gases (10)

By Manufacturer
Airgas (9)

Industrial Scientific (1)

Cylinder Size
DQA test cyl size bus facet 1 (2)

DQA test cyl size bus facet 2 (2)

dqa test cylinder size business facet 1 (1)

dqa test cylinder size business facet 2 (1)

CGA Connection
350 (1)

590 (1)

Gas Comp Amount1
9900.0000000 (1)

4800.0000000 (1)

4000.0000000 (1)

2750.0000000 (1)

2500.0000000 (1)

2300.0000000 (1)

2000.0000000 (2)

1800.0000000 (2)

1600.0000000 (1)

930.0000000 (1)

900.0000000 (2)

850.0000000 (1)

800.0000000 (1)

720.0000000 (1)

500.0000000 (2)

481.0000000 (1)

450.0000000 (2)

400.0000000 (1)

385.0000000 (2)

360.0000000 (2)

300.0000000 (1)

275.0000000 (2)

270.0000000 (2)

255.0000000 (1)

250.0000000 (4)

200.0000000 (1)

180.0000000 (4)

170.0000000 (1)

150.0000000 (3)

125.0000000 (1)

110.0000000 (2)

99.9940000 (8)

99.9500000 (7)

99.9000000 (6)

99.9960000 (6)

99.9980000 (6)

99.9991000 (6)

99.9700000 (5)

99.9910000 (5)

99.9920000 (5)

99.9989000 (5)

99.9996000 (5)

99.9800000 (4)

99.9945000 (4)

99.9955000 (4)

99.9994500 (4)

99.9999000 (4)

99.9600000 (3)

99.9820000 (3)

99.9835000 (3)

99.9880000 (3)

99.9915000 (3)

99.9925000 (3)

99.9959000 (3)

99.9970000 (3)

99.9973000 (3)

99.9987500 (3)

99.9994000 (3)

99.9999900 (3)

99.9650000 (2)

99.9705000 (2)

99.9750000 (2)

99.9770000 (2)

99.9865000 (2)

99.9935000 (2)

99.9936000 (2)

99.9944000 (2)

99.9946000 (2)

99.9957500 (2)

99.9972000 (2)

99.9972500 (2)

99.9974000 (2)

99.9982000 (2)

99.9983000 (2)

99.9985000 (2)

99.9988000 (2)

99.9992000 (2)

99.9993500 (2)

99.9995900 (2)

99.9997000 (2)

99.9997500 (2)

99.9998000 (2)

99.9998100 (2)

99.9999600 (2)

99.9999700 (2)

99.9999800 (2)

99.9999850 (2)

99.9010000 (1)

99.9020000 (1)

99.9025000 (1)

99.9075000 (1)

99.9156000 (1)

99.9200000 (1)

99.9243000 (1)

99.9259000 (1)

99.9312500 (1)

99.9320000 (1)

99.9383000 (1)

99.9394000 (1)

99.9400000 (1)

99.9484000 (1)

99.9515000 (1)

99.9520000 (1)

99.9535000 (1)

99.9550800 (1)

99.9585000 (1)

99.9623000 (1)

99.9630000 (1)

99.9640000 (1)

99.9670000 (1)

99.9688000 (1)

99.9730000 (1)

99.9748000 (1)

99.9756000 (1)

99.9760000 (1)

99.9765000 (1)

99.9775000 (1)

99.9794000 (1)

99.9806400 (1)

99.9810000 (1)

99.9815000 (1)

99.9829000 (1)

99.9830000 (1)

99.9839000 (1)

99.9840000 (1)

99.9860000 (1)

99.9863000 (1)

99.9885000 (1)

99.9890000 (1)

99.9895000 (1)

99.9917400 (1)

99.9926000 (1)

99.9938000 (1)

99.9953000 (1)

99.9956000 (1)

99.9957000 (1)

99.9958000 (1)

99.9961000 (1)

99.9962500 (1)

99.9963000 (1)

99.9965000 (1)

99.9968000 (1)

99.9976000 (1)

99.9981000 (1)

99.9986000 (1)

99.9991500 (1)

99.9993000 (1)

99.9993600 (1)

99.9995600 (1)

99.9996100 (1)

99.9997400 (1)

99.9998600 (1)

99.9998720 (1)

99.9998920 (1)

99.9999200 (1)

99.9999400 (1)

99.9999500 (1)

99.9999750 (1)

99.9999960 (1)

99.8980000 (3)

99.8000000 (2)

99.8110000 (2)

99.8985000 (2)

99.8988000 (2)

99.8200000 (1)

99.8375000 (1)

99.8450000 (1)

99.8500000 (1)

99.8800000 (1)

99.8900000 (1)

99.8915000 (1)

99.8918000 (1)

99.8920000 (1)

99.8925000 (1)

99.8940000 (1)

99.8950000 (1)

99.8960000 (1)

99.8962500 (1)

99.8983000 (1)

99.8989000 (1)

99.8990000 (1)

99.8990200 (1)

99.8991500 (1)

99.8994000 (1)

99.7900000 (2)

99.7000000 (1)

99.7500000 (1)

99.7950000 (1)

99.7957500 (1)

99.7987500 (1)

99.6000000 (4)

99.6155000 (1)

99.5000000 (2)

99.4000000 (3)

99.4800000 (2)

99.3065000 (1)

99.3484400 (1)

99.2000000 (1)

99.2500000 (1)

98.9000000 (1)

98.9480000 (1)

98.9500000 (1)

98.9950000 (1)

98.6500000 (2)

98.5000000 (2)

98.0100000 (1)

97.9000000 (1)

97.9990000 (1)

97.8900000 (1)

97.2000000 (1)

96.7300000 (1)

96.5000000 (2)

96.4950000 (1)

96.3000000 (1)

96.2500000 (1)

95.9100000 (2)

95.9200000 (1)

95.9910000 (1)

95.9984000 (1)

95.8995000 (1)

95.5500000 (1)

94.9810000 (1)

94.9944000 (1)

94.9958000 (1)

94.5000000 (5)

93.9980000 (1)

93.6700000 (1)

93.0000000 (7)

92.7500000 (1)

92.5000000 (3)

91.9200000 (1)

91.9920000 (1)

91.5000000 (3)

90.9580000 (1)

90.7050000 (1)

90.5000000 (1)

90.5290000 (1)

90.4900000 (1)

89.9900000 (2)

89.9840000 (1)

89.9945000 (1)

89.9950000 (1)

89.9990000 (1)

89.5000000 (3)

89.4900000 (1)

89.0000000 (3)

88.9800000 (2)

88.9500000 (1)

88.9905000 (1)

88.9950000 (1)

88.7500000 (1)

88.5000000 (2)

87.9957000 (1)

87.5000000 (2)

87.4665000 (1)

87.3865000 (1)

87.2960000 (1)

87.0000000 (2)

86.6000000 (1)

86.5000000 (1)

86.4970000 (1)

86.2470000 (1)

86.2500000 (1)

86.0000000 (7)

85.9895000 (1)

85.5000000 (1)

85.4950000 (1)

85.3540000 (1)

85.3940000 (1)

84.9900000 (3)

84.9985000 (1)

84.9990000 (1)

84.0000000 (6)

83.5420000 (2)

83.4900000 (1)

83.0000000 (8)

82.5000000 (3)

82.4900000 (1)

81.9820000 (1)

81.6200000 (1)

81.2925000 (1)

81.1000000 (1)

81.0000000 (5)

80.5000000 (1)

80.4750000 (1)

79.9900000 (2)

79.9800000 (1)

79.4900000 (2)

79.4975000 (1)

79.1000000 (5)

79.0000000 (7)

79.0950000 (1)

78.9400000 (1)

78.7160000 (1)

78.6000000 (1)

78.4000000 (2)

78.4895000 (1)

78.4900000 (1)

78.2000000 (2)

78.0000000 (6)

77.9900000 (1)

77.9907000 (1)

77.9945000 (1)

77.8950000 (1)

77.5000000 (2)

77.4955000 (1)

77.3200000 (1)

77.0000000 (1)

76.5000000 (2)

76.0000000 (2)

75.2400000 (1)

74.9000000 (2)

74.9500000 (1)

74.7000000 (1)

74.5000000 (1)

73.0000000 (2)

72.9940000 (1)

72.5000000 (1)

72.0000000 (2)

71.9988000 (1)

71.0000000 (1)

70.7000000 (1)

69.8500000 (1)

69.7300000 (1)

69.6000000 (3)

69.5000000 (1)

69.2200000 (1)

69.0000000 (2)

68.0000000 (6)

67.9920000 (1)

67.6000000 (1)

67.0000000 (3)

66.0000000 (7)

64.5000000 (1)

64.0000000 (2)

63.5000000 (1)

63.0000000 (7)

62.5000000 (1)

62.0000000 (2)

61.0000000 (1)

59.9826000 (1)

59.0000000 (1)

58.0000000 (4)

57.0000000 (1)

56.8000000 (1)

54.1000000 (1)

52.0000000 (6)

51.5000000 (1)

51.0000000 (1)

50 (1)

49.6000000 (1)

49.0000000 (3)

48.2000000 (1)

48.0000000 (3)

47.5000000 (1)

47.0000000 (1)

45.1000000 (1)

45.0000000 (7)

43.5000000 (1)

43.0000000 (1)

42.5000000 (1)

42.0000000 (3)

39.0000000 (1)

38.0000000 (2)

37.2000000 (1)

35.8392000 (1)

35.4392000 (1)

34.0000000 (1)

33.0000000 (2)

32.5000000 (1)

31.7000000 (1)

31.2500000 (2)

31.0000000 (1)

30.0500000 (1)

29.2000000 (1)

29.0000000 (1)

28.0000000 (3)

27.5000000 (2)

27.0000000 (2)

24.4696500 (1)

24.0000000 (1)

23.0000000 (3)

22.5000000 (6)

22.0000000 (4)

21.0000000 (8)

20.9000000 (3)

20.9400000 (2)

20.8000000 (1)

20.5000000 (1)

19.7000000 (1)

19.0000000 (1)

18.5000000 (1)

18.0000000 (9)

17.0000000 (4)

17 (1)

16.0000000 (5)

15.6000000 (1)

14.0000000 (2)

13.7500000 (1)

13.5000000 (2)

13.0000000 (1)

12.0000000 (6)

11.5000000 (2)

11.0000000 (2)

10.5000000 (2)

10 (1)

9.0000000 (6)

8.5000000 (2)

8 (1)

7.5000000 (2)

7.0000000 (8)

6.2500000 (1)

6.0000000 (6)

5.5000000 (3)

5 (1)

4.5000000 (1)

3.5000000 (2)

3.4000000 (2)

3.1400000 (1)

3.0000000 (7)

1.7000000 (2)

1.2500000 (1)

0.9000000 (1)

0.9500000 (1)

0.7000000 (2)

0.6000000 (3)

0.6100000 (1)

0.5000000 (3)

0.4000000 (3)

0.4200000 (1)

0.3000000 (8)

0.3500000 (1)

0.3750000 (1)

0.2000000 (1)

0.1000000 (2)

(1)

Gas Comp 2
% HYDROGEN (4)

% OXYGEN (3)

% CARBON DIOXIDE (1)

% METHANE (1)

% Nitrogen (1)

Gas Comp Amount2
99.99 (1)

9.0000000 (5)

4.0000000 (2)

2.2000000 (1)

2.0000000 (1)

Gas Comp 3
% CARBON DIOXIDE (2)

% HELIUM (1)

Gas Comp Amount3
7.0000000 (1)

5.0000000 (2)

Compare Products Up to 4

Gases

Sort by:

I2418100859

25PPM Hydrogen Sulfide Balance Nitrogen Portable Calibration Gas, 58 Liter Cylinder For Cal Plus™ Calibration Station

25PPM Hydrogen Sulfide Balance Nitrogen Portable Calibration Gas, 58 Liter Cylinder For Cal Plus™ Calibration Station

Show Full Description Hide Full Description

Compare

25PPM Hydrogen Sulfide Balance Nitrogen Portable Calibration Gas, 58 Liter Cylinder For Cal Plus™ Calibration Station

25PPM Hydrogen Sulfide Balance Nitrogen Portable Calibration Gas, 58 Liter Cylinder For Cal Plus™ Calibration Station

25PPM Hydrogen Sulfide Balance Nitrogen Portable Calibration Gas, 58 Liter Cylinder For Cal Plus™ Calibration Station

Show Full Description Hide Full Description

Airgas Part #:I2418100859

E02NI91E15A3101

9% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

9% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

Show Full Description Hide Full Description

Compare

9% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

9% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

9% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

Show Full Description Hide Full Description

Airgas Part #:E02NI91E15A3101

X03NI91C3000001

4% Hydrogen, 5% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

4% Hydrogen, 5% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

4% Hydrogen, 5% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

4% Hydrogen, 5% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

4% Hydrogen, 5% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X03NI91C3000001

AR HY9300

Argon 91 Hy 9 Size 300 CGA-350

Argon 91 Hy 9 Size 300 CGA-350

Show Full Description Hide Full Description

Compare

Argon 91 Hy 9 Size 300 CGA-350

Argon 91 Hy 9 Size 300 CGA-350

Argon 91 Hy 9 Size 300 CGA-350

Show Full Description Hide Full Description

Airgas Part #:AR HY9300

AR CD5OX460

Industrial 4% Oxygen 5% Carbon Dioxide Balance Argon Size 60 Industrial-mix CGA-580

Industrial 4% Oxygen 5% Carbon Dioxide Balance Argon Size 60 Industrial-mix CGA-580

Show Full Description Hide Full Description

Compare

Industrial 4% Oxygen 5% Carbon Dioxide Balance Argon Size 60 Industrial-mix CGA-580

Industrial 4% Oxygen 5% Carbon Dioxide Balance Argon Size 60 Industrial-mix CGA-580

Industrial 4% Oxygen 5% Carbon Dioxide Balance Argon Size 60 Industrial-mix CGA-580

Show Full Description Hide Full Description

Airgas Part #:AR CD5OX460

NI HY9C23

Industrial 9% Hydrogen Balance Nitrogen Size 300 12PK Industrial 9% Hydrogen Balance Nitrogen Size 300 12PK Industrial-mix CGA-350

Industrial 9% Hydrogen Balance Nitrogen Size 300 12PK Industrial 9% Hydrogen Balance Nitrogen Size 300 12PK Industrial-mix CGA-350

Show Full Description Hide Full Description

Compare

Industrial 9% Hydrogen Balance Nitrogen Size 300 12PK Industrial 9% Hydrogen Balance Nitrogen Size 300 12PK Industrial-mix CGA-350

Industrial 9% Hydrogen Balance Nitrogen Size 300 12PK Industrial 9% Hydrogen Balance Nitrogen Size 300 12PK Industrial-mix CGA-350

Industrial 9% Hydrogen Balance Nitrogen Size 300 12PK Industrial 9% Hydrogen Balance Nitrogen Size 300 12PK Industrial-mix CGA-350

Show Full Description Hide Full Description

Airgas Part #:NI HY9C23

NI HY9C63

Industrial 9% Hydrogen Balance Nitrogen Size 300 6PK Industrial 9% Hydrogen Balance Nitrogen Size 300 6PK Industrial-mix CGA-350

Industrial 9% Hydrogen Balance Nitrogen Size 300 6PK Industrial 9% Hydrogen Balance Nitrogen Size 300 6PK Industrial-mix CGA-350

Show Full Description Hide Full Description

Compare

Industrial 9% Hydrogen Balance Nitrogen Size 300 6PK Industrial 9% Hydrogen Balance Nitrogen Size 300 6PK Industrial-mix CGA-350

Industrial 9% Hydrogen Balance Nitrogen Size 300 6PK Industrial 9% Hydrogen Balance Nitrogen Size 300 6PK Industrial-mix CGA-350

Industrial 9% Hydrogen Balance Nitrogen Size 300 6PK Industrial 9% Hydrogen Balance Nitrogen Size 300 6PK Industrial-mix CGA-350

Show Full Description Hide Full Description

Airgas Part #:NI HY9C63

X02AI97CP340004

Ct 2.2% Methane Balance Air Size 34DS Ct 2.2% Methane Balance Air Size 34DS Certified Standard-spec CGA-600 **approved**

Ct 2.2% Methane Balance Air Size 34DS Ct 2.2% Methane Balance Air Size 34DS Certified Standard-spec CGA-600 approved

Show Full Description Hide Full Description

Compare

Ct 2.2% Methane Balance Air Size 34DS Ct 2.2% Methane Balance Air Size 34DS Certified Standard-spec CGA-600 **approved**

Ct 2.2% Methane Balance Air Size 34DS Ct 2.2% Methane Balance Air Size 34DS Certified Standard-spec CGA-600 **approved**

Ct 2.2% Methane Balance Air Size 34DS Ct 2.2% Methane Balance Air Size 34DS Certified Standard-spec CGA-600 approved

Show Full Description Hide Full Description

Airgas Part #:X02AI97CP340004

NI OX9C23

Nitrogen 91 Ox 9 Size 300 12PK CGA-590

Nitrogen 91 Ox 9 Size 300 12PK CGA-590

Show Full Description Hide Full Description

Compare

Nitrogen 91 Ox 9 Size 300 12PK CGA-590

Nitrogen 91 Ox 9 Size 300 12PK CGA-590

Nitrogen 91 Ox 9 Size 300 12PK CGA-590

Show Full Description Hide Full Description

Airgas Part #:NI OX9C23

AR HE7CD2C23

Industrial 2% Carbon Dioxide 7% Helium Balance Argon Size 300 12PK Industrial-mix CGA-580

Industrial 2% Carbon Dioxide 7% Helium Balance Argon Size 300 12PK Industrial-mix CGA-580

Show Full Description Hide Full Description

Compare

Industrial 2% Carbon Dioxide 7% Helium Balance Argon Size 300 12PK Industrial-mix CGA-580

Industrial 2% Carbon Dioxide 7% Helium Balance Argon Size 300 12PK Industrial-mix CGA-580

Industrial 2% Carbon Dioxide 7% Helium Balance Argon Size 300 12PK Industrial-mix CGA-580

Show Full Description Hide Full Description

Airgas Part #:AR HE7CD2C23

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 |

5A1BD357FCC1826598E7661605FA4BDC