Page 26 - Praxair - Specialty Gases and Equipment Reference Guide

NH 3
Ammonia

Transportation (M)SDS Reference
Information P-4562
UN Number: 1005 CAS Number
United States of America Canada Mexico
Shipping Name Ammonia, Ammonia, Ammonia, 7664 - 41 - 7
Anhydrous Anhydrous, Anhydrous General Description
Liquified Colorless, toxic, corrosive, liquefied gas
Hazard Class 2.2 2.3 (8) 2.2 with a sharp, intensely irritating odor.
Label Nonflammable Poison Gas, Nonflammable
Gas, Inhalation Gas Gas
Hazard

Product Purity Part Cylinder O 2 + N 2 H 2 O CO 2 CO H 2 CH 4 Metals
Grade Number Ar
Semiconductor, 99.99995% AM 6.5SP K, AS 50 – 200 100 50 100 50 See
6.5 ppb ppb ppb ppb ppb ppb Below
(1)
Semiconductor, 99.9995% AM 5.5SP K, AS 0.5 1 1 – 0.1 – 0.5 –
5.5
Research, 5.0 99.999% AM 5.0RS K, AS, 2 3 2 – 0.5 – 3 –
Q, G
Anhydrous, 4.5 99.995% AM 4.5 K, FA, – – – – – – – –
Q, G
Concentrations given are ppm by volume unless otherwise specified.
Maximum ppm unless otherwise noted.
(1) Metals – Sb, Ca, Cd, Cr, Cu, Ga, Ge, Au, Fe, Pb, Li, Mg, Mn, Mo,
Ni, K, Si, Na, Sn. All < 10 ppb/w each. Section B – Pure Gases

Cylinders

Cylinder Style Size Connection Pressure Volume Gross Weight
Type in (cm) CGA/DISS psig (bar) lb (kg) lb (kg)
FA Low Pressure Steel 52 x 15 (132.1 x 38.1) 240 114 (7.86) 150 (68.0) 300 (136)
K High Pressure Steel 51 x 9 (129.5 x 22.9) 240, 705/720 114 (7.86) 50 (22.7) 183 (83)
Q High Pressure Steel 31 x 7 (78.7 x 17.8) 240, 705/720 114 (7.86) 15 (6.8) 80 (36)
G High Pressure Steel 20 x 6 (50.8 x 15.2) 240, 705/720 114 (7.86) 8 (3.63) 40 (18)
AS High Pressure 48 x 8 (121.9 x 20.3) 705/720 114 (7.86) 30 (13.6) 80 (36)
Aluminum

Equipment Recommendations

Semiconductor, 6.5 Valve panels, gas cabinets
Semiconductor, 5.5 Valve panels, gas cabinets
Research, 5.0 Valve panels, gas cabinets, 4000 series corrosive regulator
Anhydrous, 4.5 Valve panels, gas cabinets, 4000 series corrosive regulator,
4008 series regulator

UltraPurge 400 Gas Cabinet Series
™
(see page E •306)

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