Shipping Classification
Phosphorus, amorphous
What this means
Phosphorus, amorphous appears on the federal Hazardous Materials Table (49 CFR §172.101), the table that governs how a material must be classified, packaged, and labeled for transport.
Hazard class / division
Class 4.1
UN / NA identification number
UN1338
Packing group
III
Label codes
4.1
Packaging — exceptions
151
Packaging — non-bulk
213
Packaging — bulk
243
Passenger aircraft / rail limit
25 kg
Cargo aircraft only limit
100 kg
Vessel stowage location
A
Vessel stowage — other
74
Special provisions (§172.102)
A1 — Single packagings are not permitted on passenger aircraft.
A19 — Combination packagings consisting of outer fiber drums or plywood drums, with inner plastic packagings, are not authorized for transportation by aircraft.
B1 — If the material has a flash point at or above 38 °C (100 °F) and below 93 °C (200 °F), then the bulk packaging requirements of § 173.241 of this subchapter are applicable. If the material has a flash point of less than 38 °C (100 °F), then the bulk packaging requirements of § 173.242 of this subchapter are applicable.
B9 — Bottom outlets are not authorized.
B26 — Tanks must be insulated. Insulation must be at least 100 mm (3.9 inches) except that the insulation thickness may be reduced to 51 mm (2 inches) over the exterior heater coils. Interior heating coils are not authorized. The packaging may not be loaded with a material outside of the packaging's design temperature range. In addition, the material also must be covered with an inert gas or the container must be filled with water to the tank's capacity. After unloading, the residual material also must be covered with an inert gas or the container must be filled with water to the tank's capacity.
IB8 (see §172.102 or related section for full text)
IP3 (see §172.102 or related section for full text)
T1 (see §172.102 or related section for full text)
TP33 (see §172.102 or related section for full text)
Packaging citations reference sections of 49 CFR Part 173 not expanded here. View the full official table on eCFR.gov.
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Source: Hazardous Materials Table (49 CFR §172.101) and Special Provisions (49 CFR §172.102), current as retrieved from eCFR.gov. View official table.