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
8.5000000 98.0000000

Narrow Results:

By Category
Mixed Gases (15)

Gas Grade
Portable Calibration Mix (1)

Cylinder Size
DQA test cyl size bus facet 1 (4)

DQA test cyl size bus facet 2 (4)

dqa test cylinder size business facet 1 (4)

dqa test cylinder size business facet 2 (4)

DQA test - cylinder size business facet name (1)

DQA tk test (1)

QA test -businessfacet value (1)

CGA Connection
350 (3)

580 (1)

590 (1)

660 | 660 (1)

C10 (1)

Gas Comp Amount1
99.9983000 (1)

99.9991500 (1)

91.5000000 (1)

51.5000000 (1)

2.0000000 (10)

0.4200000 (1)

Gas Comp 2
% NITROGEN (7)

% HELIUM (3)

% ARGON (1)

% CARBON DIOXIDE (1)

% OXYGEN (1)

PPM CARBON MONOXIDE (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)

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)

18.0000000 (14)

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)

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
% ARGON (1)

% NITROGEN (1)

PPM NITRIC OXIDE (1)

Gas Comp Amount3
40.0000000 (1)

8.5000000 (1)

1.5800000 (1)

Compare Products Up to 4

Gases

Sort by:

X02AR98C3001828

2% Hydrogen Balance Argon Certified Standard Mixture, Size 300 Cylinder, CGA-350

2% Hydrogen Balance Argon Certified Standard Mixture, Size 300 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

2% Hydrogen Balance Argon Certified Standard Mixture, Size 300 Cylinder, CGA-350

2% Hydrogen Balance Argon Certified Standard Mixture, Size 300 Cylinder, CGA-350

2% Hydrogen Balance Argon Certified Standard Mixture, Size 300 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02AR98C3001828

X02NI98C3000102

2% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

2% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

2% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

2% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

2% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02NI98C3000102

E03NI99E15A1668

8.5PPM Nitric Oxide 8.5PPM Carbon Monoxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

8.5PPM Nitric Oxide 8.5PPM Carbon Monoxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

Show Full Description Hide Full Description

Compare

8.5PPM Nitric Oxide 8.5PPM Carbon Monoxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

8.5PPM Nitric Oxide 8.5PPM Carbon Monoxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

8.5PPM Nitric Oxide 8.5PPM Carbon Monoxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A1668

X02NI98C15A0614

2% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150A Aluminum Cylinder, CGA-580

2% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150A Aluminum Cylinder, CGA-580

Show Full Description Hide Full Description

Compare

2% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150A Aluminum Cylinder, CGA-580

2% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150A Aluminum Cylinder, CGA-580

2% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150A Aluminum Cylinder, CGA-580

Show Full Description Hide Full Description

Airgas Part #:X02NI98C15A0614

E02NI91E15A3144

8.5% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

8.5% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

Show Full Description Hide Full Description

Compare

8.5% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

8.5% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

8.5% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

Show Full Description Hide Full Description

Airgas Part #:E02NI91E15A3144

X02NI98CP102409

2% Oxygen Balance Nitrogen Calibration Gas, Size 103DS Disposable Steel Cylinder, CGA-C10

2% Oxygen Balance Nitrogen Calibration Gas, Size 103DS Disposable Steel Cylinder, CGA-C10

Show Full Description Hide Full Description

Compare

2% Oxygen Balance Nitrogen Calibration Gas, Size 103DS Disposable Steel Cylinder, CGA-C10

2% Oxygen Balance Nitrogen Calibration Gas, Size 103DS Disposable Steel Cylinder, CGA-C10

2% Oxygen Balance Nitrogen Calibration Gas, Size 103DS Disposable Steel Cylinder, CGA-C10

Show Full Description Hide Full Description

Airgas Part #:X02NI98CP102409

X02NI98C3003800

2% Carbon Monoxide Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

2% Carbon Monoxide Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

2% Carbon Monoxide Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

2% Carbon Monoxide Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

2% Carbon Monoxide Balance Nitrogen Certified Standard Mixture, Size 300 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02NI98C3003800

HE DVGOX2CS3

Diving Grade 2% Oxygen Balance Helium Size 300 16PK

Diving Grade 2% Oxygen Balance Helium Size 300 16PK

Show Full Description Hide Full Description

Compare

Diving Grade 2% Oxygen Balance Helium Size 300 16PK

Diving Grade 2% Oxygen Balance Helium Size 300 16PK

Diving Grade 2% Oxygen Balance Helium Size 300 16PK

Show Full Description Hide Full Description

Airgas Part #:HE DVGOX2CS3

NI BVCD240

Nitrogen 98 Cd 2 Size 40 Beverage CGA-580 Nitrogen 98 Cd 2 Size 40 Beverage CGA-580

Nitrogen 98 Cd 2 Size 40 Beverage CGA-580 Nitrogen 98 Cd 2 Size 40 Beverage CGA-580

Show Full Description Hide Full Description

Compare

Nitrogen 98 Cd 2 Size 40 Beverage CGA-580 Nitrogen 98 Cd 2 Size 40 Beverage CGA-580

Nitrogen 98 Cd 2 Size 40 Beverage CGA-580 Nitrogen 98 Cd 2 Size 40 Beverage CGA-580

Nitrogen 98 Cd 2 Size 40 Beverage CGA-580 Nitrogen 98 Cd 2 Size 40 Beverage CGA-580

Show Full Description Hide Full Description

Airgas Part #:NI BVCD240

X03HE99P33A3953

PS 0.42% OXYGEN 1.58% NITROGEN BALANCE HELIUM SIZE 33A PRIMARY STANDARD CGA 580

PS 0.42% OXYGEN 1.58% NITROGEN BALANCE HELIUM SIZE 33A PRIMARY STANDARD CGA 580

Show Full Description Hide Full Description

Compare

PS 0.42% OXYGEN 1.58% NITROGEN BALANCE HELIUM SIZE 33A PRIMARY STANDARD CGA 580

PS 0.42% OXYGEN 1.58% NITROGEN BALANCE HELIUM SIZE 33A PRIMARY STANDARD CGA 580

PS 0.42% OXYGEN 1.58% NITROGEN BALANCE HELIUM SIZE 33A PRIMARY STANDARD CGA 580

Show Full Description Hide Full Description

Airgas Part #:X03HE99P33A3953

E02AI99E15ACLS0

Ep 8.5PPM Nitrogen Dioxide Balance Air Size 150A Epa Protocol Standard CGA 660 Conoco Phillips Customer Part Number Uw 69C Custom Mix

Ep 8.5PPM Nitrogen Dioxide Balance Air Size 150A Epa Protocol Standard CGA 660 Conoco Phillips Customer Part Number Uw 69C Custom Mix

Show Full Description Hide Full Description

Compare

Ep 8.5PPM Nitrogen Dioxide Balance Air Size 150A Epa Protocol Standard CGA 660 Conoco Phillips Customer Part Number Uw 69C Custom Mix

Ep 8.5PPM Nitrogen Dioxide Balance Air Size 150A Epa Protocol Standard CGA 660 Conoco Phillips Customer Part Number Uw 69C Custom Mix

Ep 8.5PPM Nitrogen Dioxide Balance Air Size 150A Epa Protocol Standard CGA 660 Conoco Phillips Customer Part Number Uw 69C Custom Mix

Show Full Description Hide Full Description

Airgas Part #:E02AI99E15ACLS0

NI AR40CD8.5EC

Industrial 8.5% Carbon Dioxide 40% Argon Industrial 8.5% Carbon Dioxide 40% Argon Balance Nitrogen Size E Industrial-mix Customer Owned CGA-580

Industrial 8.5% Carbon Dioxide 40% Argon Industrial 8.5% Carbon Dioxide 40% Argon Balance Nitrogen Size E Industrial-mix Customer Owned CGA-580

Show Full Description Hide Full Description

Compare

Industrial 8.5% Carbon Dioxide 40% Argon Industrial 8.5% Carbon Dioxide 40% Argon Balance Nitrogen Size E Industrial-mix Customer Owned CGA-580

Industrial 8.5% Carbon Dioxide 40% Argon Industrial 8.5% Carbon Dioxide 40% Argon Balance Nitrogen Size E Industrial-mix Customer Owned CGA-580

Industrial 8.5% Carbon Dioxide 40% Argon Industrial 8.5% Carbon Dioxide 40% Argon Balance Nitrogen Size E Industrial-mix Customer Owned CGA-580

Show Full Description Hide Full Description

Airgas Part #:NI AR40CD8.5EC

NI HY2250C

Nitrogen 98 Hy 2 Size 250 Customer Owned CGA-350

Nitrogen 98 Hy 2 Size 250 Customer Owned CGA-350

Show Full Description Hide Full Description

Compare

Nitrogen 98 Hy 2 Size 250 Customer Owned CGA-350

Nitrogen 98 Hy 2 Size 250 Customer Owned CGA-350

Nitrogen 98 Hy 2 Size 250 Customer Owned CGA-350

Show Full Description Hide Full Description

Airgas Part #:NI HY2250C

NI HY2300C

Nitrogen 98 Hy 2 Size 300 Customer Owned CGA-350

Nitrogen 98 Hy 2 Size 300 Customer Owned CGA-350

Show Full Description Hide Full Description

Compare

Nitrogen 98 Hy 2 Size 300 Customer Owned CGA-350

Nitrogen 98 Hy 2 Size 300 Customer Owned CGA-350

Nitrogen 98 Hy 2 Size 300 Customer Owned CGA-350

Show Full Description Hide Full Description

Airgas Part #:NI HY2300C

HE DVGOX2T8

Helium 98 Ox 2 Diving Grade Size 8 Tube Module CGA-580 Helium 98 Ox 2 Diving Grade Size 8 Tube Module CGA-580 Variable Volume

Helium 98 Ox 2 Diving Grade Size 8 Tube Module CGA-580 Helium 98 Ox 2 Diving Grade Size 8 Tube Module CGA-580 Variable Volume

Show Full Description Hide Full Description

Compare

Helium 98 Ox 2 Diving Grade Size 8 Tube Module CGA-580 Helium 98 Ox 2 Diving Grade Size 8 Tube Module CGA-580 Variable Volume

Helium 98 Ox 2 Diving Grade Size 8 Tube Module CGA-580 Helium 98 Ox 2 Diving Grade Size 8 Tube Module CGA-580 Variable Volume

Helium 98 Ox 2 Diving Grade Size 8 Tube Module CGA-580 Helium 98 Ox 2 Diving Grade Size 8 Tube Module CGA-580 Variable Volume

Show Full Description Hide Full Description

Airgas Part #:HE DVGOX2T8

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 |

5E64BF8FF368311D379391294EB0D801