49 CFR § 173.231 - Ammonium nitrate emulsion, suspension or gel.

---
identifier: "/us/cfr/t49/s173.231"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 173.231 - Ammonium nitrate emulsion, suspension or gel."
title_number: 49
title_name: "Transportation"
section_number: "173.231"
section_name: "Ammonium nitrate emulsion, suspension or gel."
chapter_name: "PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "C"
subchapter_name: "HAZARDOUS MATERIALS REGULATIONS"
part_number: "173"
part_name: "SHIPPERS—GENERAL REQUIREMENTS FOR SHIPMENTS AND PACKAGINGS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 5101-5128, 44701; 49 CFR 1.81, 1.96 and 1.97."
cfr_part: "173"
---


# 173.231 Ammonium nitrate emulsion, suspension or gel.

(a) Packagings for non-bulk shipments of Ammonium nitrate emulsions, suspensions and gels must conform to the general packaging requirements of subpart B of part 173, to the requirements of part 178 of this subchapter at the Packing Group I or II performance level, and the requirements of the special provisions of column 7 of the § 172.101 table.

(1) The following combination packagings are authorized:

*Outer packagings:*

Drums: 1B2, 1G, 1N2, 1H2 or 1D

Boxes: 4B, 4C1, 4C2, 4D, 4G or 4H2

Jerricans: 3B2 of 3H2

*Inner packagings:*

Glass, plastic or metal inner receptacles

(2) For combination packagings, the capacity of each inner packaging must not exceed 5 liters (1.3 gallons) and the maximum authorized net weight of each outer packaging must not exceed 125 kg (275 pounds).

(3) The following single packagings are authorized:

Drums: 1B1, 1B2, 1H1 or 1H2 with a maximum capacity of 250 liters (66 gallons).

Jerricans: 3B1, 3B2, 3H1 or 3H2 with a maximum capacity of 60 liters (15.9 gallons).

Plastic receptacle in aluminum, fiber, plastic or plywood drum: 6HB1, 6HG1, 6HH1 or 6HD1with the outer drum having a maximum capacity of 250 liters (66 gallons).

Plastic receptacle in aluminum wood, plywood, fiberboard, or solid plastic box: 6HB2, 6HC, 6HD2, 6HG2, or 6HH2 with the outer box having a maximum capacity of 60 liters (15.9 gallons).

Glass receptacle in aluminum, fiber, or plywood drum: 6PB1, 6PF1 or 6PD1 with the outer drum having a maximum capacity of 60 liters (15.9 gallons).

Glass receptacle in expanded plastic or solid plastic packaging: 6PH1 or 6PH2 with the outer packaging having a maximum capacity of 60 liters (15.9 gallons).

Glass receptacle in aluminum, wood, or fiberboard box, or wickerwork hamper: 6PB2, 6PC, 6PG2 or 6PD2 with the outer box or hamper having a maximum capacity of 60 liters (15.9 gallons).

(b) [Reserved]

[80 FR 1160, Jan. 8, 2015]