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
80.0000000 180.0000000 99.9800000 81.6400000 25.0000000
Gas Comp 2
CARBON MONOXIDE PPM CARBON MONOXIDE PPM HYDROGEN PPM PROPANE

Narrow Results:

{$title}

{$label}

Cylinder Size
150 Aluminum HP (11)

E Steel Disp (2)

200 Steel HP (1)

CGA Connection
CGA 660 Washer (7)

CGA 590 (4)

CGA 296 (1)

CGA 350 (1)

CGA 660 (1)

Gas Component Amount 1
9.0000000 (7)

22.5000000 (4)

99.9900000 (4)

99.9980000 (4)

99.9750000 (3)

99.9950000 (3)

2.5000000 (2)

40.0000000 (2)

79.6000000 (2)

99.9000000 (2)

99.9600000 (2)

99.9700000 (2)

99.9820000 (2)

99.9960000 (2)

99.9973000 (2)

99.9982000 (2)

10.0000000 (1)

10.5000000 (1)

11.0000000 (1)

13.7500000 (1)

130.0000000 (1)

135.0000000 (1)

15.0000000 (1)

170.0000000 (1)

18.0000000 (1)

2.0000000 (1)

21.0000000 (1)

270.0000000 (1)

42.5000000 (1)

5.5000000 (1)

50.0000000 (1)

540.0000000 (1)

55.0000000 (1)

60.0000000 (1)

64.6000000 (1)

69.6000000 (1)

7.0000000 (1)

70.0000000 (1)

76.5000000 (1)

77.3200000 (1)

77.3210000 (1)

77.4550000 (1)

78.4000000 (1)

78.4490000 (1)

78.5375000 (1)

78.9920000 (1)

79.1400000 (1)

79.4900000 (1)

79.4960000 (1)

79.6800000 (1)

79.7600000 (1)

79.9920000 (1)

80.4750000 (1)

81.9100000 (1)

82.4940000 (1)

83.8950000 (1)

89.4900000 (1)

90.0000000 (1)

90.9895000 (1)

95.4964000 (1)

95.9700000 (1)

95.9982000 (1)

97.4900000 (1)

97.8400000 (1)

98.9900000 (1)

99.7030000 (1)

99.7500000 (1)

99.7900000 (1)

99.7952000 (1)

99.8110000 (1)

99.8200000 (1)

99.8647000 (1)

99.8860000 (1)

99.9070000 (1)

99.9150000 (1)

99.9175000 (1)

99.9250000 (1)

99.9285000 (1)

99.9320000 (1)

99.9825000 (1)

99.9830000 (1)

99.9937000 (1)

99.9939000 (1)

99.9955000 (1)

99.9967000 (1)

99.9975000 (1)

99.9983000 (1)

99.9991000 (1)

99.9995000 (1)

Gas Component 1
PPM NITRIC OXIDE (7)

% NITROGEN (3)

% AIR (2)

% HYDROGEN (1)

% OXYGEN (1)

Gas Component Amount 2
100.0000000 (2)

200.0000000 (2)

0.3000000 (1)

110.0000000 (1)

180.0000000 (1)

400.0000000 (1)

4500.0000000 (1)

50.0000000 (1)

75.0000000 (1)

80.0000000 (1)

90.0000000 (1)

900.0000000 (1)

Gas Component 2
% OXYGEN (9)

% HELIUM (6)

PPM NITRIC OXIDE (4)

% AIR (3)

PPM HYDROGEN SULFIDE (3)

% HYDROGEN (2)

% N PENTANE (2)

% ISOBUTANE (1)

% KRYPTON (1)

PPM METHANE (1)

PPM NITROGEN (1)

Gas Component Amount 3
0.3500000 (2)

0.3000000 (1)

135.0000000 (1)

99.5320000 (1)

99.8920000 (1)

99.9420000 (1)

99.9640000 (1)

99.9710000 (1)

99.9840000 (1)

99.9925000 (1)

Gas Component 3
% NITROGEN (7)

% N PENTANE (2)

% METHANE (1)

PPM NITRIC OXIDE (1)

Gas Component Amount 4
18.0000000 (2)

74.4000000 (1)

Gas Component 4
% OXYGEN (2)

% NITROGEN (1)

Compare Products Up to 4

Mixed Gases

Sort by:

E03NI99E15A01J1

180PPM Nitric Oxide, 900PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

180PPM Nitric Oxide, 900PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Compare

180PPM Nitric Oxide, 900PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

180PPM Nitric Oxide, 900PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

180PPM Nitric Oxide, 900PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

180PPM Nitric Oxide, 900PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A01J1

E03NI99E15A0251

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

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

Show Full Description Hide Full Description

Compare

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

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

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

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

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A0251

E03NI99E15A36H3

110PPM Carbon Monoxide, 180PPM Nitric Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

110PPM Carbon Monoxide, 180PPM Nitric Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Compare

110PPM Carbon Monoxide, 180PPM Nitric Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

110PPM Carbon Monoxide, 180PPM Nitric Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

110PPM Carbon Monoxide, 180PPM Nitric Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

110PPM Carbon Monoxide, 180PPM Nitric Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A36H3

E03NI99E15A00A3

180PPM Nitric Oxide, 400PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

180PPM Nitric Oxide, 400PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Compare

180PPM Nitric Oxide, 400PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

180PPM Nitric Oxide, 400PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

180PPM Nitric Oxide, 400PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

180PPM Nitric Oxide, 400PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A00A3

E03NI99E15A01C6

90PPM Carbon Monoxide, 135PPM Nitric Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

90PPM Carbon Monoxide, 135PPM Nitric Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Compare

90PPM Carbon Monoxide, 135PPM Nitric Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

90PPM Carbon Monoxide, 135PPM Nitric Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

90PPM Carbon Monoxide, 135PPM Nitric Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

90PPM Carbon Monoxide, 135PPM Nitric Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A01C6

E03NI99E15A1369

25PPM Nitric Oxide, 50PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

25PPM Nitric Oxide, 50PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Compare

25PPM Nitric Oxide, 50PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

25PPM Nitric Oxide, 50PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

25PPM Nitric Oxide, 50PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

25PPM Nitric Oxide, 50PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A1369

E03NI99E15A41B2

180PPM Nitirc Oxide, 4500PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

180PPM Nitirc Oxide, 4500PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

Show Full Description Hide Full Description

Compare

180PPM Nitirc Oxide, 4500PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

180PPM Nitirc Oxide, 4500PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

180PPM Nitirc Oxide, 4500PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

180PPM Nitirc Oxide, 4500PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A41B2

X02AI99C15A1772

200PPM Carbon Monoxide, Balance Air Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

200PPM Carbon Monoxide, Balance Air Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Compare

200PPM Carbon Monoxide, Balance Air Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

200PPM Carbon Monoxide, Balance Air Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

200PPM Carbon Monoxide, Balance Air Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

200PPM Carbon Monoxide, Balance Air Certified Reference Material, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Airgas Part #:X02AI99C15A1772

E02AI99E15A1511

200PPM Propane, Balance Air EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

200PPM Propane, Balance Air EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Compare

200PPM Propane, Balance Air EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

200PPM Propane, Balance Air EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

200PPM Propane, Balance Air EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

200PPM Propane, Balance Air EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

Show Full Description Hide Full Description

Airgas Part #:E02AI99E15A1511

E03NI99E15A02T9

80PPM Nitric Oxide, 80PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

80PPM Nitric Oxide, 80PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Compare

80PPM Nitric Oxide, 80PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

80PPM Nitric Oxide, 80PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

80PPM Nitric Oxide, 80PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

80PPM Nitric Oxide, 80PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A02T9

Z04NI7452000050

0.3% Carbon Monoxide, 0.3% Methane, 25% Oxygen, Balance Nitrogen Lung Diffusion Grade, Size 200 High Pressure Steel Cylinder, CGA 296

0.3% Carbon Monoxide, 0.3% Methane, 25% Oxygen, Balance Nitrogen Lung Diffusion Grade, Size 200 High Pressure Steel Cylinder, CGA 296

Show Full Description Hide Full Description

Compare

0.3% Carbon Monoxide, 0.3% Methane, 25% Oxygen, Balance Nitrogen Lung Diffusion Grade, Size 200 High Pressure Steel Cylinder, CGA 296

0.3% Carbon Monoxide, 0.3% Methane, 25% Oxygen, Balance Nitrogen Lung Diffusion Grade, Size 200 High Pressure Steel Cylinder, CGA 296

0.3% Carbon Monoxide, 0.3% Methane, 25% Oxygen, Balance Nitrogen Lung Diffusion Grade, Size 200 High Pressure Steel Cylinder, CGA 296

Show Full Description Hide Full Description

Airgas Part #:Z04NI7452000050

X02HY25P15A7XL6

25% Hydrogen, Balance Carbon Monoxide Primary Standard Grade, Size 150 High Pressure Aluminum Cylinder, CGA 350

25% Hydrogen, Balance Carbon Monoxide Primary Standard Grade, Size 150 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

25% Hydrogen, Balance Carbon Monoxide Primary Standard Grade, Size 150 High Pressure Aluminum Cylinder, CGA 350

25% Hydrogen, Balance Carbon Monoxide Primary Standard Grade, Size 150 High Pressure Aluminum Cylinder, CGA 350

25% Hydrogen, Balance Carbon Monoxide Primary Standard Grade, Size 150 High Pressure Aluminum Cylinder, CGA 350

25% Hydrogen, Balance Carbon Monoxide Primary Standard Grade, Size 150 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:X02HY25P15A7XL6

X04NI81CEDC001

100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, Size E Steel Disposable Cylinder, CGA 590

100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, Size E Steel Disposable Cylinder, CGA 590

Show Full Description Hide Full Description

Compare

100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, Size E Steel Disposable Cylinder, CGA 590

100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, Size E Steel Disposable Cylinder, CGA 590

100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, Size E Steel Disposable Cylinder, CGA 590

100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, Size E Steel Disposable Cylinder, CGA 590

Show Full Description Hide Full Description

Airgas Part #:X04NI81CEDC001

X04NI81CED0000

100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, Size E Steel Disposable Cylinder, CGA 590

100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, Size E Steel Disposable Cylinder, CGA 590

Show Full Description Hide Full Description

Compare

100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, Size E Steel Disposable Cylinder, CGA 590

100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, Size E Steel Disposable Cylinder, CGA 590

100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, Size E Steel Disposable Cylinder, CGA 590

100PPM Carbon Monoxide, 0.35% N Pentane, 18% Oxygen, Balance Nitrogen Certified Reference Material, Size E Steel Disposable Cylinder, CGA 590

Show Full Description Hide Full Description

Airgas Part #:X04NI81CED0000

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 |

1EFDF3EAF7C6F298232107BA959A4876

1EFDF3EAF7C6F298232107BA959A4876