49 CFR 172 Special Provision IB4 (IB-Codes and IP-Codes)

These provisions apply only to transportation in IBCs and Large Packagings.

Code	IB4
Description	Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N).
HazMat with this Code	UN 3401 - Alkali metal amalgam, solid UN 1395 - Aluminum ferrosilicon powder UN 1402 - Calcium carbide UN 1314 - Calcium resinate, fused UN 1407 - Cesium or Caesium UN 3096 - Corrosive solids, water-reactive, n.o.s UN 1415 - Lithium UN 2805 - Lithium hydride, fused solid UN 2806 - Lithium nitride UN 3182 - Metal hydrides, flammable, n.o.s UN 1409 - Metal hydrides, water reactive, n.o.s UN 3208 - Metallic substance, water-reactive, n.o.s UN 3395 - Organometallic substance, solid, water-reactive UN 3396 - Organometallic substance, solid, water-reactive, flammable UN 3397 - Organometallic substance, solid, water-reactive, self-heating UN 1339 - Phosphorus heptasulfide, free from yellow or white phosphorus UN 1340 - Phosphorus pentasulfide, free from yellow or white phosphorus UN 1341 - Phosphorus sesquisulfide, free from yellow or white phosphorus UN 1343 - Phosphorus trisulfide, free from yellow or white phosphorus UN 2257 - Potassium UN 3403 - Potassium, metal alloys, solid UN 1423 - Rubidium UN 1428 - Sodium UN 2835 - Sodium aluminum hydride UN 1871 - Titanium hydride UN 3131 - Water-reactive solid, corrosive, n.o.s UN 3132 - Water-reactive solid, flammable, n.o.s UN 2813 - Water-reactive solid, n.o.s UN 3134 - Water-reactive solid, toxic, n.o.s UN 1436 - Zinc powder or Zinc dust UN 1437 - Zirconium hydride