GAS CONNECTION ASSIGNMENT TABLE**
For Pressures Up To 3000 psig (20,680 kPa) -- March 1999

GAS

CGA
(Conventional)

CGA
(Ultrahigh Integrity)

DIN

JIS

Acetylene

510*

-

-

-

Air

590

-

-

-

Allene

510*

-

-

-

Ammonia

660

720

DIN 6

22-R

Argon

580

718

DIN 6

22-R or 23-R

Arsenic Pentafluoride

-

642

-

-

Arsine

350

632

-

22-L

Boron Trichloride

660

634

DIN 8

-

Boron Trifluoride

330

642

DIN 8

22-L

Boron 11 Trifluoride

330

642

-

-

1,3-Butaduene

510*

-

-

-

Butane

510*

-

-

-

Butenes

510*

-

-

-

Carbon Dioxide

320

716

DIN 6

-

Carbon Monoxide

350

724

DIN 5

22-L

Carbonyl Fluoride

660

-

-

-

Carbonyl Sulfide

660

-

-

-

Chlorine

-

728

DIN 8

26-R

Cyanogen

660

-

-

-

Cyclopropane

510*

-

-

-

Deuterium

350

-

-

-

Diborane

350

632

-

22-L

Dichlorosilane

678*

636

DIN 5

-

Diethylzinc

510*

726

-

-

Diethlytelluride

350

726

-

-

Dimethylamine

240

-

-

-

Dimethyl Ether

510*

-

-

-

Dimethylzinc

-

726

-

-

Disilane

350

632

-

-

Ethane

350

-

-

-

Ethyl Acetylene

510*

-

-

-

Ethyl Chloride

510*

-

-

-

Ethylene

350

-

-

-

Ethylene Oxide

510*

-

-

-

Fluorine

679

-

-

-

Germane

350

632

-

-

Halocarbon 11

660

716

-

-

Halocarbon 12 (Dichlorodifluoromethane)

660

716

DIN 6

 

Halocarbon 13 (Chlorotrifluoromethane)

660

716

DIN 6

-

Halocarbon 14 (Tetrafluoromethane)

320

716

DIN 6

-

Halocarbon-22 (Chlorodifluoromethane)

660

-

-

-

Halocarbon 23

320 or 660

716

DIN 6

-

Halocarbon-115

660

716

-

-

Halocarbon 116

320 or 660

716

-

-

Helium

580

718

DIN 6

22-R or 23-R

Hydrogen

350

724

DIN 1

22-L

Hydrogen Bromide

330

634

DIN 8

26-R

Hydrogen Chloride

330

634

DIN 8

26-R

Hydrogen Fluoride

660 or 670

638

-

26-R

Hydrogen Selenide

350 or 660

722

-

-

Hydrogen Sulfide

330

722

DIN 5

-

Iso-Butane

510*

-

-

-

Iso-Butylene

510*

-

-

-

Krypton

580

718

DIN 6

22-R or 23-R

Methane

350

-

-

-

Methyl Chloride

660

-

-

-

Methyl Mercaptan

330

-

-

-

Monoethylamine

240

-

-

-

Monomethylamine

240

-

-

-

Natural Gas

350

-

-

-

Neon

580

718

DIN 6

22-R or 23-R

Nitric Oxide

660

-

-

-

Nitrogen

580

718

DIN 10

22-R or 23-R

Nitrogen Dioxide

660

-

-

-

Nitrogen Trifluoride

330 or 670

640

DIN 8

-

Nitrogen Trioxide

660

-

-

-

Nitrosyl Chloride

660

-

-

-

Nitrous Oxide

326

712

DIN 8

-

Oxygen

540

714

DIN 9

22-R or 23-R

Perfluoropropane

660

716

-

-

Phosgene

660

-

-

-

Phosphine

350

632

DIN 1

-

Phosphorus Pentafluoride

330 or 660

642

-

-

Propane

510*

-

-

-

Propylene

510*

-

-

-

Silane

350

632

-

-

Silicon Tetrachloride

330

636

-

-

Silicon Tetrafluoride

330

642

-

22-L

Sulfur Dioxide

660

-

-

-

Sulfur Hexafluoride

590

716

DIN 6

26-R

Sulfur Tetrafluoride

330

-

-

-

Trichlorosilane

678

636

-

-

Triethylaluminum

510*

726

-

-

Trimethylamine

240

-

-

-

Tungsten Hexafluoride

670

638

DIN 8

-

Vinyl Bromide

510*

-

-

-

Vinyl Chloride

510*

-

-

-

Xenon

580

718

DIN 6

22-R

*For Pressure up to 500 psig (3,450 kPa).
**Although information in this table was obtained from reliable sources, it shall be used for reference only. Actual gas assignments are subject to periodic change,
and the user must verify all information in this table at time of use. For verification, contact the
Compressed Gas Association at 703-412-0900.