Custom Gas Mixtures | Gas | Airgas

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

Sign up for Email | 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

Sign up for Email | Need an Account? Register or Login

Find a Branch
Customer Service
SDS Search
Careers

×

To see product availability

Enter a Delivery Zip Code

OFFERS & REBATES
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
View All

Home/
Category Page/
Gases/
Mixed Gases

Results For:
By Category
Mixed Gases
Gas Comp Amount1
99.9670000 99.9987500 99.9922000 99.9983000 99.7030000 30.0000000 99.9967000 79.0000000 50.0000000 77.8950000 99.9985000 81.8785000 81.9820000 82.4920000 99.7300000 74.9500000 375.0000000 9.0000000 79.4960000 99.9947900 86.8000000 78.9400000 64.6000000 99.8773500 97.8400000 99.9400000 85.4925000 99.9899000 99.9787500 83.8950000
Gas Comp 2
OXYGEN HELIUM
Gas Comp 1
PPM CARBON MONOXIDE NITROGEN ARGON METHANE

Narrow Results:

{$title}

{$label}

Gas Component Amount 1
90.0000000 (13)

80.0000000 (8)

95.0000000 (7)

60.0000000 (6)

75.0000000 (6)

99.6000000 (6)

92.0000000 (5)

79.1000000 (4)

98.0000000 (4)

99.0000000 (4)

25.0000000 (3)

85.0000000 (3)

88.0000000 (3)

89.0000000 (3)

65.0000000 (2)

80.4875000 (2)

82.0000000 (2)

86.5000000 (2)

91.0000000 (2)

94.0000000 (2)

0.3000000 (1)

100.0000000 (1)

13.5000000 (1)

15.0000000 (1)

15.6000000 (1)

150.0000000 (1)

170.0000000 (1)

1700.0000000 (1)

180.0000000 (1)

2.5000000 (1)

200.0000000 (1)

22.5000000 (1)

31.4100000 (1)

35.0000000 (1)

4.0000000 (1)

64.0000000 (1)

69.0000000 (1)

74.0000000 (1)

75.9800000 (1)

77.0000000 (1)

77.3200000 (1)

77.5000000 (1)

77.6000000 (1)

78.0000000 (1)

78.5000000 (1)

78.6500000 (1)

78.7500000 (1)

78.9000000 (1)

79.2000000 (1)

79.5000000 (1)

80.2000000 (1)

80.5000000 (1)

81.0000000 (1)

81.1000000 (1)

81.2000000 (1)

83.0000000 (1)

86.0000000 (1)

86.2500000 (1)

87.0000000 (1)

88.7500000 (1)

91.5000000 (1)

94.5000000 (1)

95.5000000 (1)

96.0000000 (1)

97.0000000 (1)

99.4000000 (1)

Gas Component 1
% HELIUM (2)

% OXYGEN (1)

Gas Component Amount 2
21.0000000 (5)

50.0000000 (5)

12.0000000 (2)

22.0000000 (1)

6.0000000 (1)

70.0000000 (1)

Gas Component 2
PPM NITRIC OXIDE (11)

PPM HYDROGEN SULFIDE (9)

PPM CARBON MONOXIDE (6)

% CARBON DIOXIDE (5)

PPM ETHANOL (4)

PPM FORMALDEHYDE (3)

% CARBON MONOXIDE (2)

% METHANE (2)

% NITROGEN (2)

% AIR (1)

PPM SULFUR DIOXIDE (1)

Gas Component Amount 3
1050.0000000 (1)

2.5000000 (1)

25.0000000 (1)

600.0000000 (1)

7.2000000 (1)

Gas Component 3
PPM CARBON MONOXIDE (2)

% CARBON DIOXIDE (1)

% METHANE (1)

PPM HYDROGEN SULFIDE (1)

Gas Component Amount 4
25.0000000 (1)

50.0000000 (1)

Gas Component 4
PPM CARBON MONOXIDE (1)

PPM HYDROGEN SULFIDE (1)

Gas Component Amount 5
2.5000000 (1)

50.0000000 (1)

Gas Component 5
% METHANE (1)

PPM CARBON MONOXIDE (1)

Compare Products Up to 4

Mixed Gases

Sort by:

X05NI85CP580100

25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, Balance Nitrogen Certified Reference Material, 58 Liter Portable Disposable Aluminum Cylinder, CGA C10

25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, Balance Nitrogen Certified Reference Material, 58 Liter Portable Disposable Aluminum Cylinder, CGA C10

Show Full Description Hide Full Description

Compare

25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, Balance Nitrogen Certified Reference Material, 58 Liter Portable Disposable Aluminum Cylinder, CGA C10

25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, Balance Nitrogen Certified Reference Material, 58 Liter Portable Disposable Aluminum Cylinder, CGA C10

25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, Balance Nitrogen Certified Reference Material, 58 Liter Portable Disposable Aluminum Cylinder, CGA C10

Show Full Description Hide Full Description

Airgas Part #:X05NI85CP580100

E02NI79E15A00B1

21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Compare

21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Airgas Part #:E02NI79E15A00B1

X02NI50CC230001

50% Helium, Balance Nitrogen Certified Reference Material, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Nitrogen Certified Reference Material, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Compare

50% Helium, Balance Nitrogen Certified Reference Material, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Nitrogen Certified Reference Material, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Nitrogen Certified Reference Material, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Nitrogen Certified Reference Material, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Airgas Part #:X02NI50CC230001

AR HE50300

50% Argon, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

50% Argon, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

50% Argon, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

50% Argon, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

50% Argon, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

50% Argon, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:AR HE50300

AR HE50C23

50% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Compare

50% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Airgas Part #:AR HE50C23

X02NI79C15A5611

21% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

21% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Compare

21% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

21% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

21% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

21% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Airgas Part #:X02NI79C15A5611

E02NI79E15A0927

21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Compare

21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Airgas Part #:E02NI79E15A0927

X02NI79C2001127

21% Oxygen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 590

21% Oxygen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 590

Show Full Description Hide Full Description

Compare

21% Oxygen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 590

21% Oxygen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 590

21% Oxygen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 590

Show Full Description Hide Full Description

Airgas Part #:X02NI79C2001127

X02HE70C2003044

30% Nitrogen, Balance Helium Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

30% Nitrogen, Balance Helium Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

30% Nitrogen, Balance Helium Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

30% Nitrogen, Balance Helium Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

30% Nitrogen, Balance Helium Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:X02HE70C2003044

X02NI50C30006J7

50% Oxygen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 296

50% Oxygen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 296

Show Full Description Hide Full Description

Compare

50% Oxygen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 296

50% Oxygen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 296

50% Oxygen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 296

50% Oxygen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 296

Show Full Description Hide Full Description

Airgas Part #:X02NI50C30006J7

X05NI85CA340100

25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

Show Full Description Hide Full Description

Compare

25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

25PPM Hydrogen Sulfide, 50PPM Carbon Monoxide, 2.5% Methane, 12% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

Show Full Description Hide Full Description

Airgas Part #:X05NI85CA340100

X03NI77C15A60K6

1050PPM Carbon Monoxide, 22% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

1050PPM Carbon Monoxide, 22% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Compare

1050PPM Carbon Monoxide, 22% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

1050PPM Carbon Monoxide, 22% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

1050PPM Carbon Monoxide, 22% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

1050PPM Carbon Monoxide, 22% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Airgas Part #:X03NI77C15A60K6

E03NI78E15A46M0

600PPM Carbon Monoxide, 21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

600PPM Carbon Monoxide, 21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Compare

600PPM Carbon Monoxide, 21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

600PPM Carbon Monoxide, 21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

600PPM Carbon Monoxide, 21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

600PPM Carbon Monoxide, 21% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Airgas Part #:E03NI78E15A46M0

X03NI86P3000085

6% Oxygen, 7.2% Carbon Dioxide, Balance Nitrogen Primary Standard Grade, Size 300 High Pressure Steel Cylinder, CGA 590

6% Oxygen, 7.2% Carbon Dioxide, Balance Nitrogen Primary Standard Grade, Size 300 High Pressure Steel Cylinder, CGA 590

Show Full Description Hide Full Description

Compare

6% Oxygen, 7.2% Carbon Dioxide, Balance Nitrogen Primary Standard Grade, Size 300 High Pressure Steel Cylinder, CGA 590

6% Oxygen, 7.2% Carbon Dioxide, Balance Nitrogen Primary Standard Grade, Size 300 High Pressure Steel Cylinder, CGA 590

6% Oxygen, 7.2% Carbon Dioxide, Balance Nitrogen Primary Standard Grade, Size 300 High Pressure Steel Cylinder, CGA 590

6% Oxygen, 7.2% Carbon Dioxide, Balance Nitrogen Primary Standard Grade, Size 300 High Pressure Steel Cylinder, CGA 590

Show Full Description Hide Full Description

Airgas Part #:X03NI86P3000085

NI HE50200

50% Helium, Balance Nitrogen Industrial Grade Mix, Size 200 High Pressure Steel Cylinder, CGA 580

50% Helium, Balance Nitrogen Industrial Grade Mix, Size 200 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

50% Helium, Balance Nitrogen Industrial Grade Mix, Size 200 High Pressure Steel Cylinder, CGA 580

50% Helium, Balance Nitrogen Industrial Grade Mix, Size 200 High Pressure Steel Cylinder, CGA 580

50% Helium, Balance Nitrogen Industrial Grade Mix, Size 200 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:NI HE50200

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

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

Our Company

Careers
Diversity and Inclusion
Events
Fill Your Potential
Mergers & Acquisitions
Newsroom
Overview
Sustainability
Visit Parent Company

Contact

Connect with Sales
Customer Service
Find a Branch
Emergency Response

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

© 2024 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 |

C207FDADEB57CDA26DCF4DCBF14AFD0E

C207FDADEB57CDA26DCF4DCBF14AFD0E