Federal regulations · Through 2026-08-25 · Newer source version available

49 CFR 173.187: Pyrophoric solids, metals or alloys, n.o.s.

Packagings for pyrophoric solids, metals, or alloys, n.o.s. must conform to the requirements of part 178 of this subchapter at the packing group performance level specified in the § 172.101 Table. These materials must be packaged as follows:
(a) In steel, aluminum or other metal boxes (4A, 4B or 4N) and contain no more than 15 kg (33 pounds) each.
(b) In wooden boxes (4C1, 4C2, 4D, or 4F) with inner metal receptacles that have threaded closures or alternate closures physically held in place by a means capable of preventing back-off or loosening of the closure due to conditions normally incident to transportation (e.g., impact, vibration, etc.). Each inner metal receptacle must not contain more than 15 kg (33 pounds).
(c) In fiberboard boxes (4G) with inner metal receptacles that have threaded closures or alternate closures physically held in place by a means capable of preventing back-off or loosening of the closure due to conditions normally incident to transportation (e.g., impact, vibration, etc.). Each inner metal receptacle must not contain more than 7.5 kg (17 pounds).
(d) In steel, aluminum or other metal drums (1A1, 1A2, 1B1, 1B2, 1N1 or 1N2) with a gross mass not exceeding 150 kg (331 pounds) per drum.
(e) In plywood drums (1D) with inner metal receptacles that have threaded closures or alternate closures physically held in place by a means capable of preventing back-off or loosening of the closure due to conditions normally incident to transportation (e.g., impact, vibration, etc.). Each inner metal receptacle must not contain more than 15 kg (33 pounds).
(f) In fiberboard drums (1G) with inner metal receptacles that have threaded closures or alternate closures physically held in place by a means capable of preventing back-off or loosening of the closure due to conditions normally incident to transportation (e.g., impact, vibration, etc.) Each inner metal receptacle must not contain more than 15 kg (33 pounds).
(g) In specification cylinders, as prescribed for any compressed gas, except for Specifications 8 and 3HT.

Where this section sits in the code

Title 49—Transportation
Subtitle B—Other Regulations Relating to Transportation
CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS
PART 173—SHIPPERS—GENERAL REQUIREMENTS FOR SHIPMENTS AND PACKAGINGS
Subpart E—Non-bulk Packaging for Hazardous Materials Other Than Class 1 and Class 7

(a) In steel, aluminum or other metal boxes (4A, 4B or 4N) and contain no more than 15 kg (33 pounds) each.

(b) In wooden boxes (4C1, 4C2, 4D, or 4F) with inner metal receptacles that have threaded closures or alternate closures physically held in place by a means capable of preventing back-off or loosening of the closure due to conditions normally incident to transportation (e.g., impact, vibration, etc.). Each inner metal receptacle must not contain more than 15 kg (33 pounds).

(c) In fiberboard boxes (4G) with inner metal receptacles that have threaded closures or alternate closures physically held in place by a means capable of preventing back-off or loosening of the closure due to conditions normally incident to transportation (e.g., impact, vibration, etc.). Each inner metal receptacle must not contain more than 7.5 kg (17 pounds).

(d) In steel, aluminum or other metal drums (1A1, 1A2, 1B1, 1B2, 1N1 or 1N2) with a gross mass not exceeding 150 kg (331 pounds) per drum.

(e) In plywood drums (1D) with inner metal receptacles that have threaded closures or alternate closures physically held in place by a means capable of preventing back-off or loosening of the closure due to conditions normally incident to transportation (e.g., impact, vibration, etc.). Each inner metal receptacle must not contain more than 15 kg (33 pounds).

(f) In fiberboard drums (1G) with inner metal receptacles that have threaded closures or alternate closures physically held in place by a means capable of preventing back-off or loosening of the closure due to conditions normally incident to transportation (e.g., impact, vibration, etc.) Each inner metal receptacle must not contain more than 15 kg (33 pounds).

(g) In specification cylinders, as prescribed for any compressed gas, except for Specifications 8 and 3HT.

Collected 2026-08-27T02:26:34Z. Source file · JSON

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