Page 86 - Praxair - Specialty Gases and Equipment Reference Guide

Nitrogen

Cryogenic Liquids N 2

Transportation (M)SDS Reference
Information P-4630
UN Number: 1977 CAS Number
United States of America Canada Mexico
Shipping Name Nitrogen, Nitrogen, Nitrogen, 7727 - 37 - 9 (R)
Refrigerated Refrigerated Refrigerated General Description
Liquid Liquid Liquid Colorless, odorless, nonflammable,
Hazard Class 2.2 2.2 2.2 cryogenic liquid.
Label Nonflammable Nonflammable Nonflammable
Gas Gas Gas

Product/Grade Purity Part Cylinder O 2 H 2 0 THC
Number
UHP, 5.0 99.999% NI 5.0LC 180, 230 1 3 0.5
High Purity, 4.8 99.998% NI 4.8LC 180, 230 5 3 –
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)
230 Portable Liquid Unit 53 x 26 (134.6 x 66) 580, 295 varies 5030 (139) 664 (301)
180 Portable Liquid Unit 64 x 20 (162 x 50.8) 580, 295 varies 4110 (114) 557 (253) Section B – Pure Gases

Equipment Recommendations
4083, 4085, 4084 and 4086 series regulators.
Final SGE recommendation based on withdrawal rate.

i

See Sections F and G
for safety and technical
information.

4084 and 4086 Series – Critical Purity High
Flow Regulators for Non-Corrosive Service
(see page E •265)

1-877-PRAXAIR www.praxairdirect.com B•85