Page 71 - Praxair - Specialty Gases and Equipment Solutions

O 2
Oxygen

Transportation (M)SDS Reference
Information P-4638
UN Number: 1072 CAS Number
United States of America Canada Mexico
Shipping Name Oxygen, Oxygen, Oxygen, 7782 - 44 - 7
Compressed Compressed Compressed General Description
Hazard Class 2.2 (5.1) 2.2 (5.1) 2.2 Colorless, odorless, highly oxidizing gas.
Label Nonflammable Nonflammable Nonflammable
Gas, Oxidizer Gas, Oxidizer Gas, Oxidizer

Product/Grade Purity Part Cylinder H 2 O N 2 THC CO CO 2 Ar Kr N 2 O
Number
Research, 5.0 99.999% OX 5.0RS T, K 1 5 0.5 1 1 5 1 –
Semiconductor, 5.0 99.999% OX 5.0SP T, K 1 5 0.5 1 1 5 3 –
Ultra High Purity Plus, 4.5 99.995% OX 4.5UP T, K 1 10 1 – – 15 – –
Ultra High Purity, 4.3 99.993% OX 4.3UH T, K, Q 3 10 1 – – 40 – –
Hydrocarbon Free, 4.0 99.99% OX 4.0HC T, K – – 0.1 – 1 – – –
Semiconductor, 4.0 99.99% OX 4.0MO T, K 3 50 1 1 1 30 – 2
Zero, 2.6 99.6% OX 2.6Z T, K 3 – 0.5 – – – – –
Extra Dry, 2.6 99.6% OX 2.6 T, K 10 – – – – – – –
Concentrations given are ppm by volume unless otherwise specified.
Maximum ppm unless otherwise noted.

Cylinders
Cylinder Style Size Connection Pressure Volume Gross Weight
3
3
Type in (cm) CGA psig (bar) ft (m ) lb (kg)
T High Pressure Steel 55 x 9.3 (139.7 x 23.5) 540 2640 (183) 337 (9.35) 165 (75)
K High Pressure Steel 51 x 9 (129.5 x 22.9) 540 2200 (154) 249 (6.90) 149 (68)
Section B – Pure Gases
Q High Pressure Steel 31 x 7 (78.7 x 17.8) 540 2200 (154) 83 (2.3) 70 (31.8)

Equipment Recommendations

i

See page B•86 for cryogenic
liquid oxygen.
See Section D, Medical Gases
for Oxygen – U.S.P. Grade (page D•234).

Bulk quantities available upon request.
Praxair, your source for
3013 Series – High Purity Regulator for technical support.
Oxygen Service (see page E •269)

B•70 1-877-PRAXAIR www.praxairdirect.com