Middlesex Gases is now making dry ice in-house. To request a quote or to learn more about the delivery options, visit our dry ice page. Click here. |
Learn more about Phosphine gas, a flammable, poisonous gas, dangerous to the environment, supplied by Middlesex Gases to commercial customers in Massachusetts, New Hampshire, Rhode Island and Connecticut and throughout New England.
Chemical Symbol | PH3 |
Molecular Weight | 34.00 |
Specific Volume | |
CAS Registry Number | 7803-51-2 |
DOT Proper Name | phosphane |
Hazard Class | |
ID Number | UN2199 |
Labels | Flammable Gas |
Std. Cylinder Sizes* | Contents | Cylinder Pressure (PSIG) | CGA Valve Connection |
---|---|---|---|
SPECIFICATIONS SUBJECT TO CHANGE
Grade | Purity | Impurity | Specifications | Equipment Recommended |
---|---|---|---|---|
Semiconductor 6.0 | 99.9999% | Ar+O2 | <0.1ppm <0.1ppm <0.1ppm <0.1ppm <0.1ppm <0.1ppm <0.1ppm <0.1ppm | Call for Recommendation |
Semiconduxtor 5.7 | 99.9997% | Ar+O2 H2O N2 C2-C5 CO2 CO CH4 ASH | <0.5ppm <1ppm <1ppm <0.1ppm <0.1ppm <0.1ppm <0.1ppm <0.1ppm | Call for Recommendation |