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 4
CARBON MONOXIDE CARBON DIOXIDE PPM CARBON MONOXIDE
Gas Comp 3
CARBON DIOXIDE PPM CARBON MONOXIDE OXYGEN

Narrow Results:

{$title}

{$label}

Cylinder Size
150 Aluminum HP (8)

300 Aluminum HP (3)

150 White Top AL HP (1)

200 Steel HP (1)

CGA Connection
CGA 350 (5)

CGA 660 (4)

CGA 660 Washer (3)

CGA 500 (1)

Gas Component Amount 1
0.3000000 (1)

45.0000000 (1)

55.0000000 (1)

66.0000000 (1)

71.0000000 (1)

71.5000000 (1)

76.9890000 (1)

81.9470000 (1)

81.9770000 (1)

82.5800000 (1)

89.1445000 (1)

90.8110000 (1)

95.4725000 (1)

Gas Component 1
% NITROGEN (7)

% HYDROGEN (3)

% HELIUM (2)

% METHANE (1)

Gas Component Amount 2
0.5000000 (1)

10.0000000 (1)

110.0000000 (1)

130.0000000 (1)

150.0000000 (1)

1700.0000000 (1)

180.0000000 (1)

2.5000000 (1)

26.0000000 (1)

4.0000000 (1)

78.4000000 (1)

90.0000000 (1)

95.0000000 (1)

Gas Component 2
PPM NITRIC OXIDE (5)

% NITROGEN (3)

% METHANE (2)

% HYDROGEN (1)

PPM NITROGEN DIOXIDE (1)

PPM SULFUR DIOXIDE (1)

Gas Component Amount 3
11.0000000 (1)

15.0000000 (1)

18.0000000 (1)

180.0000000 (1)

1800.0000000 (1)

2.0000000 (1)

21.0000000 (1)

2550.0000000 (1)

3.5000000 (1)

375.0000000 (1)

400.0000000 (1)

5.0000000 (1)

8.0000000 (1)

Gas Component 3
% NITROGEN (10)

PPM SULFUR DIOXIDE (9)

PPM NITRIC OXIDE (8)

PPM HYDROGEN SULFIDE (5)

% CARBON MONOXIDE (3)

% HELIUM (2)

% ARGON (1)

% N PENTANE (1)

PPM METHYL CYCLOHEXANE (1)

PPM PROPANE (1)

Gas Component Amount 4
0.3000000 (1)

1.0000000 (1)

10.8000000 (1)

12.0000000 (1)

17.0000000 (1)

18.0000000 (1)

28.0000000 (1)

30.0000000 (1)

36.0000000 (1)

4.0000000 (1)

4.5000000 (1)

80.0000000 (1)

9.0000000 (1)

Gas Component 4
% NITROGEN (11)

% N PENTANE (7)

% ISOBUTANE (3)

PPM NITRIC OXIDE (3)

PPM SULFUR DIOXIDE (3)

% HELIUM (2)

PPM HYDROGEN (2)

% HYDROGEN (1)

% NITROUS OXIDE (1)

% OXYGEN (1)

% PROPANE (1)

PPM HYDROGEN SULFIDE (1)

PPM PROPANE (1)

Gas Component Amount 5
16.0000000 (1)

Gas Component 5
% NITROGEN (1)

Compare Products Up to 4

Mixed Gases

Sort by:

Z04NI7852003060

0.3% Methane, 0.3% Carbon Monoxide, 21% Oxygen, Balance Nitrogen Lung Diffusion Grade, Size 200 High Pressure Steel Cylinder, CGA 500

0.3% Methane, 0.3% Carbon Monoxide, 21% Oxygen, Balance Nitrogen Lung Diffusion Grade, Size 200 High Pressure Steel Cylinder, CGA 500

Show Full Description Hide Full Description

Compare

0.3% Methane, 0.3% Carbon Monoxide, 21% Oxygen, Balance Nitrogen Lung Diffusion Grade, Size 200 High Pressure Steel Cylinder, CGA 500

0.3% Methane, 0.3% Carbon Monoxide, 21% Oxygen, Balance Nitrogen Lung Diffusion Grade, Size 200 High Pressure Steel Cylinder, CGA 500

0.3% Methane, 0.3% Carbon Monoxide, 21% Oxygen, Balance Nitrogen Lung Diffusion Grade, Size 200 High Pressure Steel Cylinder, CGA 500

Show Full Description Hide Full Description

Airgas Part #:Z04NI7852003060

X04HY66B3HA0000

2.5% Methane, 3.5% Carbon Dioxide, 28% Carbon Monoxide, Balance Hydrogen Batch Analyzed Mixture, Size 300 High Pressure Aluminum Cylinder, CGA 350

2.5% Methane, 3.5% Carbon Dioxide, 28% Carbon Monoxide, Balance Hydrogen Batch Analyzed Mixture, Size 300 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

2.5% Methane, 3.5% Carbon Dioxide, 28% Carbon Monoxide, Balance Hydrogen Batch Analyzed Mixture, Size 300 High Pressure Aluminum Cylinder, CGA 350

2.5% Methane, 3.5% Carbon Dioxide, 28% Carbon Monoxide, Balance Hydrogen Batch Analyzed Mixture, Size 300 High Pressure Aluminum Cylinder, CGA 350

2.5% Methane, 3.5% Carbon Dioxide, 28% Carbon Monoxide, Balance Hydrogen Batch Analyzed Mixture, Size 300 High Pressure Aluminum Cylinder, CGA 350

2.5% Methane, 3.5% Carbon Dioxide, 28% Carbon Monoxide, Balance Hydrogen Batch Analyzed Mixture, Size 300 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:X04HY66B3HA0000

X05HE71Q15A0703

0.5% Hydrogen, 4% Carbon Monoxide, 8% Carbon Dioxide, 16% Nitrogen, Balance Helium Laser Grade, (Non Medical) Certified Size 150 High Pressure Aluminum Cylinder, CGA 350

0.5% Hydrogen, 4% Carbon Monoxide, 8% Carbon Dioxide, 16% Nitrogen, Balance Helium Laser Grade, (Non Medical) Certified Size 150 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

0.5% Hydrogen, 4% Carbon Monoxide, 8% Carbon Dioxide, 16% Nitrogen, Balance Helium Laser Grade, (Non Medical) Certified Size 150 High Pressure Aluminum Cylinder, CGA 350

0.5% Hydrogen, 4% Carbon Monoxide, 8% Carbon Dioxide, 16% Nitrogen, Balance Helium Laser Grade, (Non Medical) Certified Size 150 High Pressure Aluminum Cylinder, CGA 350

0.5% Hydrogen, 4% Carbon Monoxide, 8% Carbon Dioxide, 16% Nitrogen, Balance Helium Laser Grade, (Non Medical) Certified Size 150 High Pressure Aluminum Cylinder, CGA 350

0.5% Hydrogen, 4% Carbon Monoxide, 8% Carbon Dioxide, 16% Nitrogen, Balance Helium Laser Grade, (Non Medical) Certified Size 150 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:X05HE71Q15A0703

E04NI82E15A3LD7

1700PPM Sulfur Dioxide, 2550PPM Carbon Monoxide, 17% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

1700PPM Sulfur Dioxide, 2550PPM Carbon Monoxide, 17% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Compare

1700PPM Sulfur Dioxide, 2550PPM Carbon Monoxide, 17% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

1700PPM Sulfur Dioxide, 2550PPM Carbon Monoxide, 17% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

1700PPM Sulfur Dioxide, 2550PPM Carbon Monoxide, 17% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

1700PPM Sulfur Dioxide, 2550PPM Carbon Monoxide, 17% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Airgas Part #:E04NI82E15A3LD7

E04NI95E15A0026

95PPM Nitric Oxide, 180PPM Carbon Monoxide, 4.5% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

95PPM Nitric Oxide, 180PPM Carbon Monoxide, 4.5% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Compare

95PPM Nitric Oxide, 180PPM Carbon Monoxide, 4.5% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

95PPM Nitric Oxide, 180PPM Carbon Monoxide, 4.5% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

95PPM Nitric Oxide, 180PPM Carbon Monoxide, 4.5% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

95PPM Nitric Oxide, 180PPM Carbon Monoxide, 4.5% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Airgas Part #:E04NI95E15A0026

E04NI89E15A9D33

180PPM Nitirc Oxide, 375PPM Carbon Monoxide, 10.8% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

180PPM Nitirc Oxide, 375PPM Carbon Monoxide, 10.8% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

Show Full Description Hide Full Description

Compare

180PPM Nitirc Oxide, 375PPM Carbon Monoxide, 10.8% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

180PPM Nitirc Oxide, 375PPM Carbon Monoxide, 10.8% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

180PPM Nitirc Oxide, 375PPM Carbon Monoxide, 10.8% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

180PPM Nitirc Oxide, 375PPM Carbon Monoxide, 10.8% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

Show Full Description Hide Full Description

Airgas Part #:E04NI89E15A9D33

X04NI81C15A0090

80PPM Carbon Monoxide, 150PPM Nitirc Oxide, 18% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660

80PPM Carbon Monoxide, 150PPM Nitirc Oxide, 18% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660

Show Full Description Hide Full Description

Compare

80PPM Carbon Monoxide, 150PPM Nitirc Oxide, 18% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660

80PPM Carbon Monoxide, 150PPM Nitirc Oxide, 18% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660

80PPM Carbon Monoxide, 150PPM Nitirc Oxide, 18% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660

80PPM Carbon Monoxide, 150PPM Nitirc Oxide, 18% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 660

Show Full Description Hide Full Description

Airgas Part #:X04NI81C15A0090

E04NI81E15A0072

130PPM Nitirc Oxide, 400PPM, Carbon Monoxide, 18% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

130PPM Nitirc Oxide, 400PPM, Carbon Monoxide, 18% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

Show Full Description Hide Full Description

Compare

130PPM Nitirc Oxide, 400PPM, Carbon Monoxide, 18% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

130PPM Nitirc Oxide, 400PPM, Carbon Monoxide, 18% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

130PPM Nitirc Oxide, 400PPM, Carbon Monoxide, 18% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

130PPM Nitirc Oxide, 400PPM, Carbon Monoxide, 18% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

Show Full Description Hide Full Description

Airgas Part #:E04NI81E15A0072

X04HE71P3HA53A0

1% Carbon Monoxide, 2% Carbon Dioxide, 26% Nitrogen, Balance Helium Primary Standard Grade, Size 300 High Pressure Aluminum Cylinder, CGA 350

1% Carbon Monoxide, 2% Carbon Dioxide, 26% Nitrogen, Balance Helium Primary Standard Grade, Size 300 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

1% Carbon Monoxide, 2% Carbon Dioxide, 26% Nitrogen, Balance Helium Primary Standard Grade, Size 300 High Pressure Aluminum Cylinder, CGA 350

1% Carbon Monoxide, 2% Carbon Dioxide, 26% Nitrogen, Balance Helium Primary Standard Grade, Size 300 High Pressure Aluminum Cylinder, CGA 350

1% Carbon Monoxide, 2% Carbon Dioxide, 26% Nitrogen, Balance Helium Primary Standard Grade, Size 300 High Pressure Aluminum Cylinder, CGA 350

1% Carbon Monoxide, 2% Carbon Dioxide, 26% Nitrogen, Balance Helium Primary Standard Grade, Size 300 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:X04HE71P3HA53A0

E04NI90E15A0035

90PPM Nitric Oxide, 1800PPM Carbon Monoxide, 9% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

90PPM Nitric Oxide, 1800PPM Carbon Monoxide, 9% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Compare

90PPM Nitric Oxide, 1800PPM Carbon Monoxide, 9% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

90PPM Nitric Oxide, 1800PPM Carbon Monoxide, 9% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

90PPM Nitric Oxide, 1800PPM Carbon Monoxide, 9% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

90PPM Nitric Oxide, 1800PPM Carbon Monoxide, 9% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Airgas Part #:E04NI90E15A0035

E04NI76E15W0000

110PPM Nitrogen Dioxide, 11% Oxygen, 12% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder White Top, CGA 660

110PPM Nitrogen Dioxide, 11% Oxygen, 12% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder White Top, CGA 660

Show Full Description Hide Full Description

Compare

110PPM Nitrogen Dioxide, 11% Oxygen, 12% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder White Top, CGA 660

110PPM Nitrogen Dioxide, 11% Oxygen, 12% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder White Top, CGA 660

110PPM Nitrogen Dioxide, 11% Oxygen, 12% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder White Top, CGA 660

110PPM Nitrogen Dioxide, 11% Oxygen, 12% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder White Top, CGA 660

Show Full Description Hide Full Description

Airgas Part #:E04NI76E15W0000

X04HY55C3HA0001

4% Methane, 5% Carbon Dioxide, 36% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 350

4% Methane, 5% Carbon Dioxide, 36% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

4% Methane, 5% Carbon Dioxide, 36% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 350

4% Methane, 5% Carbon Dioxide, 36% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 350

4% Methane, 5% Carbon Dioxide, 36% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:X04HY55C3HA0001

X04HY45C3HA0000

10% Nitrogen, 15% Carbon Dioxide, 30% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

10% Nitrogen, 15% Carbon Dioxide, 30% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

10% Nitrogen, 15% Carbon Dioxide, 30% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

10% Nitrogen, 15% Carbon Dioxide, 30% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

10% Nitrogen, 15% Carbon Dioxide, 30% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:X04HY45C3HA0000

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 |

66185991C1F6B0653FA8848F6E48F73E

66185991C1F6B0653FA8848F6E48F73E