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
100.0000000
Gas Comp 2
PPM NITROGEN DIOXIDE

Narrow Results:

By Category
Mixed Gases (18)

Cylinder Size
dqa test cylinder size business facet 1 (9)

dqa test cylinder size business facet 2 (9)

Gas Comp Amount1
99.9900000 (6)

97.8900000 (1)

95.9100000 (2)

90.4900000 (1)

89.9900000 (2)

84.9900000 (2)

79.9900000 (1)

20.9000000 (1)

5.0000000 (1)

Gas Comp 2
PPB ETHYL BENZENE (3)

PPB VINYL CHLORIDE (3)

PPM CARBON MONOXIDE (3)

PPB ACROLEIN (2)

PPM AMMONIA (2)

PPM HYDROGEN CHLORIDE (2)

PPM HYDROGEN SULFIDE (2)

PPM ISOBUTYLENE (2)

PPB 1 BROMO 4 FLUOROBENZENE (1)

PPB 1,1 DICHLOROETHANE (1)

PPB 1,2 DICHLOROBENZENE (1)

PPB 1,4 DIFLUOROBENZENE (1)

PPB 4 BROMOFLUOROBENZENE (1)

PPB ACETONITRILE (1)

PPB BENZENE (1)

PPB CARBONYL SULFIDE (1)

PPB ETHANOL (1)

PPB UNDECANE (1)

PPB VINYL BROMIDE (1)

PPM 1 BUTENE (1)

PPM ARSINE (1)

PPM ETHANE (1)

PPM HYDROGEN (1)

Gas Comp Amount2
5000.0000000 (1)

95.0000000 (3)

90.0000000 (5)

87.5000000 (1)

85.5000000 (1)

85.0000000 (4)

83.0000000 (1)

82.6000000 (1)

82.0000000 (1)

81.0000000 (2)

80.0000000 (6)

75.0000000 (5)

70.0000000 (1)

65.0000000 (1)

60.0000000 (7)

56.0000000 (1)

55.0000000 (6)

54.0000000 (1)

51.0000000 (1)

49.0000000 (1)

48.0000000 (1)

47.5000000 (3)

47.0000000 (1)

45.0000000 (4)

44.0000000 (1)

43.0000000 (1)

42.5000000 (4)

42.0000000 (1)

40.0000000 (6)

38.0000000 (1)

37.5000000 (2)

37.0000000 (1)

35.0000000 (1)

34.0000000 (1)

31.0000000 (1)

30.0000000 (9)

27.5000000 (1)

27.0000000 (4)

25.0000000 (6)

23.8000000 (1)

21.2500000 (1)

20.0000000 (7)

18.0000000 (3)

17.0000000 (2)

16.5000000 (1)

16.0000000 (1)

15.0000000 (6)

12.5000000 (2)

12.0000000 (4)

11.0000000 (1)

10.0000000 (8)

9.5000000 (3)

9.0000000 (1)

8.5000000 (1)

7.0000000 (2)

6.0000000 (3)

5.0000000 (7)

4.0000000 (1)

3.5000000 (1)

3.0000000 (1)

2.5000000 (2)

Gas Comp 3
% OXYGEN (7)

% NITROGEN (3)

PPM CARBON MONOXIDE (2)

Gas Comp Amount3
800.0000000 (2)

99.8900000 (1)

94.9900000 (1)

79.0900000 (1)

20.0000000 (1)

15.0000000 (2)

10.0000000 (2)

9.5000000 (1)

2.1000000 (1)

Gas Comp 4
% OXYGEN (2)

Gas Comp Amount4
4.0000000 (2)

Compare Products Up to 4

Gases

Sort by:

E02NI99E15A00D8

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 150A Epa Protocol Standard CGA-660 Oxygen Added For Stability

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 150A Epa Protocol Standard CGA-660 Oxygen Added For Stability

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 150A Epa Protocol Standard CGA-660 Oxygen Added For Stability

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 150A Epa Protocol Standard CGA-660 Oxygen Added For Stability

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 150A Epa Protocol Standard CGA-660 Oxygen Added For Stability

Show Full Description Hide Full Description

Airgas Part #:E02NI99E15A00D8

E03NI89E33A000C

Ep 100PPM Nitrogen Dioxide 10% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard Customer Owned CGA 660

Ep 100PPM Nitrogen Dioxide 10% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard Customer Owned CGA 660

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide 10% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard Customer Owned CGA 660

Ep 100PPM Nitrogen Dioxide 10% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard Customer Owned CGA 660

Ep 100PPM Nitrogen Dioxide 10% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard Customer Owned CGA 660

Show Full Description Hide Full Description

Airgas Part #:E03NI89E33A000C

X02AI99P15AC040

Ps 100PPM Nitrogen Dioxide Balance Air Size 150A Primary Standard CGA-660 Cert And Label Must Include Shelf Life & Analysis Date Expiration Date On Coa Must Be Traceable To Nist Basf Custom Mix

Ps 100PPM Nitrogen Dioxide Balance Air Size 150A Primary Standard CGA-660 Cert And Label Must Include Shelf Life & Analysis Date Expiration Date On Coa Must Be Traceable To Nist Basf Custom Mix

Show Full Description Hide Full Description

Compare

Ps 100PPM Nitrogen Dioxide Balance Air Size 150A Primary Standard CGA-660 Cert And Label Must Include Shelf Life & Analysis Date Expiration Date On Coa Must Be Traceable To Nist Basf Custom Mix

Ps 100PPM Nitrogen Dioxide Balance Air Size 150A Primary Standard CGA-660 Cert And Label Must Include Shelf Life & Analysis Date Expiration Date On Coa Must Be Traceable To Nist Basf Custom Mix

Ps 100PPM Nitrogen Dioxide Balance Air Size 150A Primary Standard CGA-660 Cert And Label Must Include Shelf Life & Analysis Date Expiration Date On Coa Must Be Traceable To Nist Basf Custom Mix

Show Full Description Hide Full Description

Airgas Part #:X02AI99P15AC040

E03NI97E15A0003

Ep 100PPM Nitrogen Dioxide 2.1% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 2.1% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide 2.1% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 2.1% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 2.1% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Airgas Part #:E03NI97E15A0003

E03NI89E33A25G9

Ep 100PPM Nitrogen Dioxide 10% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 10% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide 10% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 10% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 10% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Airgas Part #:E03NI89E33A25G9

E03NI94E15A2096

Ep 100PPM Nitrogen Dioxide 5% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard

Ep 100PPM Nitrogen Dioxide 5% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide 5% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard

Ep 100PPM Nitrogen Dioxide 5% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard

Ep 100PPM Nitrogen Dioxide 5% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard

Show Full Description Hide Full Description

Airgas Part #:E03NI94E15A2096

E02NI99E33A00JC

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 33A Epa Protocol Standard Customer Owned CGA 660

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 33A Epa Protocol Standard Customer Owned CGA 660

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 33A Epa Protocol Standard Customer Owned CGA 660

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 33A Epa Protocol Standard Customer Owned CGA 660

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 33A Epa Protocol Standard Customer Owned CGA 660

Show Full Description Hide Full Description

Airgas Part #:E02NI99E33A00JC

E03NI99E15A2158

Ep 100PPM Nitrogen Dioxide 1000PPM Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 1000PPM Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide 1000PPM Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 1000PPM Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 1000PPM Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A2158

E03NI79E15A0006

Ep 100PPM Nitrogen Dioxide 20% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 20% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide 20% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 20% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 20% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Airgas Part #:E03NI79E15A0006

E04NI95E15A0000

Ep 100PPM Nitrogen Dioxide 800PPM Carbon Monoxide 4% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 **approved**

Ep 100PPM Nitrogen Dioxide 800PPM Carbon Monoxide 4% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 approved

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide 800PPM Carbon Monoxide 4% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 **approved**

Ep 100PPM Nitrogen Dioxide 800PPM Carbon Monoxide 4% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 **approved**

Ep 100PPM Nitrogen Dioxide 800PPM Carbon Monoxide 4% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660 approved

Show Full Description Hide Full Description

Airgas Part #:E04NI95E15A0000

X02AI99C80A42J1

CT 100PPM Nitrogen Dioxide Balance Air Size 80A Certified Standard-spec CGA- 660

CT 100PPM Nitrogen Dioxide Balance Air Size 80A Certified Standard-spec CGA- 660

Show Full Description Hide Full Description

Compare

CT 100PPM Nitrogen Dioxide Balance Air Size 80A Certified Standard-spec CGA- 660

CT 100PPM Nitrogen Dioxide Balance Air Size 80A Certified Standard-spec CGA- 660

CT 100PPM Nitrogen Dioxide Balance Air Size 80A Certified Standard-spec CGA- 660

Show Full Description Hide Full Description

Airgas Part #:X02AI99C80A42J1

E03NI84E15A51P0

Ep 100PPM Nitrogen Dioxide 15% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 15% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide 15% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 15% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 15% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Airgas Part #:E03NI84E15A51P0

E02NI99E15A0KAC

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 150A Epa Protocol Standard Customer Owned CGA 660

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 150A Epa Protocol Standard Customer Owned CGA 660

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 150A Epa Protocol Standard Customer Owned CGA 660

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 150A Epa Protocol Standard Customer Owned CGA 660

Ep 100PPM Nitrogen Dioxide Balance Nitrogen Size 150A Epa Protocol Standard Customer Owned CGA 660

Show Full Description Hide Full Description

Airgas Part #:E02NI99E15A0KAC

E04NI95E33A2VT6

Ep 100PPM Nitrogen Dioxide 800PPM Carbon Monoxide 4% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660 **approved**

Ep 100PPM Nitrogen Dioxide 800PPM Carbon Monoxide 4% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660 approved

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide 800PPM Carbon Monoxide 4% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660 **approved**

Ep 100PPM Nitrogen Dioxide 800PPM Carbon Monoxide 4% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660 **approved**

Ep 100PPM Nitrogen Dioxide 800PPM Carbon Monoxide 4% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660 approved

Show Full Description Hide Full Description

Airgas Part #:E04NI95E33A2VT6

X02NI99C3HA7XL1

Ct 100PPM Nitrogen Dioxide Balance Nitrogen Size 300A Certified Standard-spec CGA 660

Ct 100PPM Nitrogen Dioxide Balance Nitrogen Size 300A Certified Standard-spec CGA 660

Show Full Description Hide Full Description

Compare

Ct 100PPM Nitrogen Dioxide Balance Nitrogen Size 300A Certified Standard-spec CGA 660

Ct 100PPM Nitrogen Dioxide Balance Nitrogen Size 300A Certified Standard-spec CGA 660

Ct 100PPM Nitrogen Dioxide Balance Nitrogen Size 300A Certified Standard-spec CGA 660

Show Full Description Hide Full Description

Airgas Part #:X02NI99C3HA7XL1

E03NI79E15A74K8

Ep 100PPM Nitrogen Dioxide 20.9% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 20.9% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide 20.9% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 20.9% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 20.9% Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Airgas Part #:E03NI79E15A74K8

E03NI90E33A38S0

Ep 100PPM Nitrogen Dioxide 9.5% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 9.5% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide 9.5% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 9.5% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 9.5% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Airgas Part #:E03NI90E33A38S0

E03NI84E33A39J3

Ep 100PPM Nitrogen Dioxide 15% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 15% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Compare

Ep 100PPM Nitrogen Dioxide 15% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 15% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Ep 100PPM Nitrogen Dioxide 15% Oxygen Balance Nitrogen Size 33A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Airgas Part #:E03NI84E33A39J3

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 |

8BAD40701C9217DD956602EFA59B564A