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UN/NA 1404 · Calcium hydride
UN/NA 1404 · ERG 2024 · Guide 138
- UN/NA
- 1404
- Edition
- ERG 2024
ERG 2024 lists UN/NA 1404 (Calcium hydride) under Guide 138, titled “Substances - Water-Reactive (Emitting Flammable Gases)”.
Material name
1404 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Calcium hydride” and to Guide 138. On a numbered orange panel, 1404 is the lower number (how to read an orange panel).
ERG 2024 markings for 1404
1404 is not highlighted in green (no Table 1 entry), and its guide number 138 has no P.
Entries near 1404
By number (yellow pages): before 1404 come UN/NA 1401 Calcium (Guide 138); UN/NA 1402 Calcium carbide (Guide 138) and UN/NA 1403 Calcium cyanamide, with more than 0.1% calcium carbide (Guide 138); after it, UN/NA 1405 Calcium silicide (Guide 138); UN/NA 1407 Caesium (Guide 138) and UN/NA 1408 Ferrosilicon (Guide 139).
By name (blue pages): “Calcium hydride” comes after Calcium cyanide (UN/NA 1575, Guide 157) and Calcium dithionite (UN/NA 1923, Guide 135) and before Calcium hydrosulfite (UN/NA 1923, Guide 135) and Calcium hydrosulphite (UN/NA 1923, Guide 135).
Other names starting with “Calcium”: Calcium chlorate (UN/NA 1452, Guide 140); Calcium chlorate, aqueous solution (UN/NA 2429, Guide 140); Calcium chlorite (UN/NA 1453, Guide 140); Calcium hypochlorite mixture, dry, corrosive, with more than 10% but not more than 39% available chlorine (UN/NA 3486, Guide 140); Calcium hypochlorite mixture, dry, corrosive, with more than 39% available chlorine (8.8% available oxygen) (UN/NA 3485, Guide 140) and Calcium hypochlorite mixture, dry, with more than 10% but not more than 39% available chlorine (UN/NA 2208, Guide 140).
Guide 138 · Library
Guide 138 covers 74 UN/NA numbers. The 12 around 1404 in the guide’s number order: UN/NA 1396 Aluminum powder, uncoated; UN/NA 1398 Aluminum silicon powder, uncoated; UN/NA 1400 Barium; UN/NA 1401 Calcium; UN/NA 1402 Calcium carbide; UN/NA 1403 Calcium cyanamide, with more than 0.1% calcium carbide; UN/NA 1405 Calcium silicide; UN/NA 1407 Caesium; UN/NA 1409 Metal hydrides, water-reactive, n.o.s.; UN/NA 1410 Lithium aluminum hydride; UN/NA 1411 Lithium aluminum hydride, ethereal; UN/NA 1413 Lithium borohydride.
Source: ERG 2024 (U.S. DOT PHMSA, Transport Canada, SICT Mexico), for the initial phase of a transportation incident only. Hazora is not an official ERG publication and is not affiliated with or endorsed by these or any other government agencies.