UN/NA 1660 · Nitric oxide, compressed

Material name

1660 on a placard, orange panel or shipping paper

It points to the ERG 2024 entry “Nitric oxide, compressed” and to Guide 124. On a numbered orange panel, 1660 is the lower number (how to read an orange panel).

ERG 2024 markings for 1660

1660 is highlighted in green, so ERG 2024 Table 1 (Initial Isolation and Protective Action Distances) has an entry for it: “Nitric oxide, compressed”. Hazora shows those distances in the app, not on this page. Its guide number 124 has no P.

Entries near 1660

By number (yellow pages): before 1660 come UN/NA 1657 Nicotine salicylate (Guide 151); UN/NA 1658 Nicotine sulfate, solution (Guide 151) and UN/NA 1659 Nicotine tartrate (Guide 151); after it, UN/NA 1661 Nitroanilines (Guide 153); UN/NA 1662 Nitrobenzene (Guide 152) and UN/NA 1663 Nitrophenols (Guide 153).

By name (blue pages): “Nitric oxide, compressed” comes after Nitric oxide and dinitrogen tetroxide mixture (UN/NA 1975, Guide 124) and Nitric oxide and nitrogen dioxide mixture (UN/NA 1975, Guide 124) and before Nitriles, flammable, poisonous, n.o.s. (UN/NA 3273, Guide 131) and Nitriles, flammable, toxic, n.o.s. (UN/NA 3273, Guide 131).

Other names starting with “Nitric”: Nitric acid, other than red fuming, with not more than 65% nitric acid (UN/NA 2031, Guide 157) and Nitric acid, red fuming (UN/NA 2032, Guide 157).

Guide 124 · Library

Guide 124 covers 15 UN/NA numbers. The 12 around 1660 in the guide’s number order: UN/NA 1017 Chlorine; UN/NA 1045 Fluorine, compressed; UN/NA 1067 Dinitrogen tetroxide; UN/NA 1749 Chlorine trifluoride; UN/NA 1975 Nitric oxide and dinitrogen tetroxide mixture; UN/NA 2190 Oxygen difluoride, compressed; UN/NA 2421 Nitrogen trioxide; UN/NA 2548 Chlorine pentafluoride; UN/NA 2901 Bromine chloride; UN/NA 3306 Compressed gas, poisonous, oxidizing, corrosive, n.o.s.; UN/NA 3307 Liquefied gas, poisonous, oxidizing, n.o.s.; UN/NA 3310 Liquefied gas, poisonous, oxidizing, corrosive, n.o.s.

Sources

• PHMSA · ERG 2024 · EN / ES / FR