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HomeUN NumbersClass 4.3UN2835
Hazard Class 4.3Packing Group II

UN Number

UN2835

Sodium aluminum hydride

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

One row in 49 CFR 172.101 for UN2835.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
—Sodium aluminum hydride4.3II4.3A8, A19, A20, IB4, T3, TP33, W31, W40151212242Forbidden50 kgE13, 52, 148
  • Sym.: Column 1 symbols, 49 CFR 172.101(b).
  • Description: Column 2, the proper shipping name, 172.101(c).
  • Class: Column 3, hazard class or division, 172.101(d).
  • PG: Column 5, packing group, 172.101(f).
  • Labels: Column 6, label codes, 172.101(g).
  • Special provisions: Column 7, codes explained in 49 CFR 172.102, 172.101(h).
  • 8A / 8B / 8C: Packaging exceptions, non-bulk and bulk sections of 49 CFR part 173 (an entry of 202 means 173.202), 172.101(i).
  • 9A / 9B: Maximum quantity per package on passenger aircraft or rail, and on cargo aircraft only, 172.101(j).
  • 10A / 10B: Vessel stowage location and other stowage and handling codes, 172.101(k).

Division 4.3 — Dangerous When Wet Material

See the full class list

Dangerous when wet material (Division 4.3) is a material that, by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 L per kilogram of the material, per hour.

Source: 49 CFR 173.124 (eCFR).

Previous / next UN number

UN2834Phosphorous acidUN2837Bisulfate, aqueous solution

Nearby Class 4.3 UN Numbers

UN2805Lithium hydride, fused solidUN2806Lithium nitrideUN2813Water-reactive solid, n.o.sUN2830Lithium ferrosiliconUN2844Calcium manganese siliconUN2950Magnesium granules, coated, particle size not less than 149 micronsUN2965Boron trifluoride dimethyl etherateUN2968Maneb stabilized or Maneb preparations, stabilized against self-heating
View the full Class 4.3 list →

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