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
97.5000000 64.0000000 17

Narrow Results:

By Category
Mixed Gases (14)

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)

99.9990000 (13)

99.9950000 (12)

99.9975000 (12)

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)

97.8000000 (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)

91.0000000 (8)

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)

88.0000000 (10)

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)

82.0000000 (10)

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)

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)

35.0000000 (13)

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)

25 (1)

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)

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)

8.0000000 (11)

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
% METHANE (8)

% HYDROGEN (2)

% CARBON DIOXIDE (1)

% NITROGEN (1)

% OXYGEN (1)

% Tetrafluormethane (R14) (1)

Gas Comp Amount2
83 (1)

18.0000000 (1)

16.0000000 (1)

2.5000000 (11)

Gas Comp 3
% CARBON DIOXIDE (2)

Gas Comp Amount3
20.0000000 (1)

18.0000000 (1)

CGA Connection
590 (2)

180 (1)

180 | 180 (1)

590 | 590 (1)

C10 (1)

Cylinder Size
DQA test cyl size bus facet 1 (3)

DQA test cyl size bus facet 2 (3)

business facet 1 (2)

business facet 2 (2)

170RAL | 170RAL (1)

552DS (1)

80 | 80 (1)

DQA test - cylinder size business facet name (1)

DQA tk test (1)

LB (1)

QA test -businessfacet value (1)

dqa test cylinder size business facet 1 (1)

dqa test cylinder size business facet 2 (1)

Gas Grade
Portable Calibration Mix (3)

Compare Products Up to 4

Gases

Sort by:

X02AI97C3003199

2.5% Methane Balance Air Certified Standard Mixtire, Size 300 Cylinder, CGA-590

2.5% Methane Balance Air Certified Standard Mixtire, Size 300 Cylinder, CGA-590

Show Full Description Hide Full Description

Compare

2.5% Methane Balance Air Certified Standard Mixtire, Size 300 Cylinder, CGA-590

2.5% Methane Balance Air Certified Standard Mixtire, Size 300 Cylinder, CGA-590

2.5% Methane Balance Air Certified Standard Mixtire, Size 300 Cylinder, CGA-590

Show Full Description Hide Full Description

Airgas Part #:X02AI97C3003199

X02AI97CLB0824

2.5% Methane Balance Air Calibration Gas, Size LB Cylinder, CGA-180

2.5% Methane Balance Air Calibration Gas, Size LB Cylinder, CGA-180

Show Full Description Hide Full Description

Compare

2.5% Methane Balance Air Calibration Gas, Size LB Cylinder, CGA-180

2.5% Methane Balance Air Calibration Gas, Size LB Cylinder, CGA-180

2.5% Methane Balance Air Calibration Gas, Size LB Cylinder, CGA-180

Show Full Description Hide Full Description

Airgas Part #:X02AI97CLB0824

E03NI64E15A1063

18% Carbon Dioxide 18% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

18% Carbon Dioxide 18% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

Show Full Description Hide Full Description

Compare

18% Carbon Dioxide 18% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

18% Carbon Dioxide 18% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

18% Carbon Dioxide 18% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

Show Full Description Hide Full Description

Airgas Part #:E03NI64E15A1063

AR HY2.580

Argon 97.5 Hy 2.5 Size 80 CGA-350

Argon 97.5 Hy 2.5 Size 80 CGA-350

Show Full Description Hide Full Description

Compare

Argon 97.5 Hy 2.5 Size 80 CGA-350

Argon 97.5 Hy 2.5 Size 80 CGA-350

Argon 97.5 Hy 2.5 Size 80 CGA-350

Show Full Description Hide Full Description

Airgas Part #:AR HY2.580

X02AI97CA173574

Ct 2.5% Methane Balance Air Certified Standard Mixtire, Size 170RAL Cylinder, CGA-180

Ct 2.5% Methane Balance Air Certified Standard Mixtire, Size 170RAL Cylinder, CGA-180

Show Full Description Hide Full Description

Compare

Ct 2.5% Methane Balance Air Certified Standard Mixtire, Size 170RAL Cylinder, CGA-180

Ct 2.5% Methane Balance Air Certified Standard Mixtire, Size 170RAL Cylinder, CGA-180

Ct 2.5% Methane Balance Air Certified Standard Mixtire, Size 170RAL Cylinder, CGA-180

Show Full Description Hide Full Description

Airgas Part #:X02AI97CA173574

NI HY2.5300

Nitrogen 97.5 Hy 2.5 Size 300 CGA-350

Nitrogen 97.5 Hy 2.5 Size 300 CGA-350

Show Full Description Hide Full Description

Compare

Nitrogen 97.5 Hy 2.5 Size 300 CGA-350

Nitrogen 97.5 Hy 2.5 Size 300 CGA-350

Nitrogen 97.5 Hy 2.5 Size 300 CGA-350

Show Full Description Hide Full Description

Airgas Part #:NI HY2.5300

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

X02NI97C1L0000

CT 2.5% METHANE BALANCE NITROGEN SIZE 1 LITER CERTIFIED STANDARD-SPEC CGA AERO

CT 2.5% METHANE BALANCE NITROGEN SIZE 1 LITER CERTIFIED STANDARD-SPEC CGA AERO

Show Full Description Hide Full Description

Compare

CT 2.5% METHANE BALANCE NITROGEN SIZE 1 LITER CERTIFIED STANDARD-SPEC CGA AERO

CT 2.5% METHANE BALANCE NITROGEN SIZE 1 LITER CERTIFIED STANDARD-SPEC CGA AERO

CT 2.5% METHANE BALANCE NITROGEN SIZE 1 LITER CERTIFIED STANDARD-SPEC CGA AERO

Show Full Description Hide Full Description

Airgas Part #:X02NI97C1L0000

X02RD83C200F793

17% Oxygen Balance R14 Tetrafluoromethane Certified Standard Mixture, Size 200 Cylinder, CGA-590

17% Oxygen Balance R14 Tetrafluoromethane Certified Standard Mixture, Size 200 Cylinder, CGA-590

Show Full Description Hide Full Description

Compare

17% Oxygen Balance R14 Tetrafluoromethane Certified Standard Mixture, Size 200 Cylinder, CGA-590

17% Oxygen Balance R14 Tetrafluoromethane Certified Standard Mixture, Size 200 Cylinder, CGA-590

17% Oxygen Balance R14 Tetrafluoromethane Certified Standard Mixture, Size 200 Cylinder, CGA-590

Show Full Description Hide Full Description

Airgas Part #:X02RD83C200F793

NI CD2.5300

Nitrogen 97.5 Cd 2.5 Size 300 CGA-580

Nitrogen 97.5 Cd 2.5 Size 300 CGA-580

Show Full Description Hide Full Description

Compare

Nitrogen 97.5 Cd 2.5 Size 300 CGA-580

Nitrogen 97.5 Cd 2.5 Size 300 CGA-580

Nitrogen 97.5 Cd 2.5 Size 300 CGA-580

Show Full Description Hide Full Description

Airgas Part #:NI CD2.5300

X02AI97CA131939

Ct 2.5% Methane Balance Air Size 103RAL Certified Standard-spec CGA-C10

Ct 2.5% Methane Balance Air Size 103RAL Certified Standard-spec CGA-C10

Show Full Description Hide Full Description

Compare

Ct 2.5% Methane Balance Air Size 103RAL Certified Standard-spec CGA-C10

Ct 2.5% Methane Balance Air Size 103RAL Certified Standard-spec CGA-C10

Ct 2.5% Methane Balance Air Size 103RAL Certified Standard-spec CGA-C10

Show Full Description Hide Full Description

Airgas Part #:X02AI97CA131939

X02AI97CP556610

2.5% Methane Balance Air Calibration Gas, Size 552DS Disposable Steel Cylinder, CGA-C10

2.5% Methane Balance Air Calibration Gas, Size 552DS Disposable Steel Cylinder, CGA-C10

Show Full Description Hide Full Description

Compare

2.5% Methane Balance Air Calibration Gas, Size 552DS Disposable Steel Cylinder, CGA-C10

2.5% Methane Balance Air Calibration Gas, Size 552DS Disposable Steel Cylinder, CGA-C10

2.5% Methane Balance Air Calibration Gas, Size 552DS Disposable Steel Cylinder, CGA-C10

Show Full Description Hide Full Description

Airgas Part #:X02AI97CP556610

X02AI97C803199

2.5% Methane Balance Air Certified Standard Mixture, Size 80 Cylinder, CGA-590

2.5% Methane Balance Air Certified Standard Mixture, Size 80 Cylinder, CGA-590

Show Full Description Hide Full Description

Compare

2.5% Methane Balance Air Certified Standard Mixture, Size 80 Cylinder, CGA-590

2.5% Methane Balance Air Certified Standard Mixture, Size 80 Cylinder, CGA-590

2.5% Methane Balance Air Certified Standard Mixture, Size 80 Cylinder, CGA-590

Show Full Description Hide Full Description

Airgas Part #:X02AI97C803199

X02AI97CP100002

CT 2.5% METHANE BALANCE AIR SIZE 103DS CERTIFIED STANDARD-SPEC CGA C10 **APPROVED**

CT 2.5% METHANE BALANCE AIR SIZE 103DS CERTIFIED STANDARD-SPEC CGA C10 APPROVED

Show Full Description Hide Full Description

Compare

CT 2.5% METHANE BALANCE AIR SIZE 103DS CERTIFIED STANDARD-SPEC CGA C10 **APPROVED**

CT 2.5% METHANE BALANCE AIR SIZE 103DS CERTIFIED STANDARD-SPEC CGA C10 **APPROVED**

CT 2.5% METHANE BALANCE AIR SIZE 103DS CERTIFIED STANDARD-SPEC CGA C10 APPROVED

Show Full Description Hide Full Description

Airgas Part #:X02AI97CP100002

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 |

A9F19FA00C74E5B5B0AAF31B0FB5C2CC