SITCSection 5

Phosphides (Excluding Ferrophosphorus)

Name: Phosphides (Excluding Ferrophosphorus) (SITC 52492) -- U.S. Import Data
Creator: U.S. Census Bureau
License: https://www.census.gov/about/policies/open-gov/open-data.html

$177KU.S. imports · April 2026SITC 52492

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SITCSection 5

Phosphides (Excluding Ferrophosphorus)

$177KU.S. imports · April 2026SITC 52492

U.S. imports of phosphides (excluding ferrophosphorus) (SITC 52492) totaled $177K in April 2026, traded with 4 countries.

Importers of Phosphides (Excluding Ferrophosphorus) paid $13K in duties in April 2026 — an effective duty rate of 10% on $128K in dutiable value, based on actual customs collections rather than the published tariff schedule. Phosphides (Excluding Ferrophosphorus) imports of $177K in April 2026 ran 44% below the year-to-date monthly average of $317K.

Last updated: April 2026 data

Aluminum phosphide and zinc phosphide are the commercially dominant members of this heading, used primarily as grain fumigants that release toxic phosphine gas upon contact with moisture — a property that makes them effective rodenticides and insecticides in stored-commodity protection. Calcium phosphide and other metal phosphides serve as specialty reagents in organic synthesis and semiconductor doping. Because aluminum phosphide and zinc phosphide are registered pesticides, US imports are subject to EPA FIFRA registration requirements, and shipments must be accompanied by appropriate labeling and safety documentation.

AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.

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Frequently Asked Questions

What EPA registration requirements apply to imported aluminum phosphide fumigant tablets?

Aluminum phosphide products used as pesticides must be registered under FIFRA. Imported formulations must either carry an EPA registration number or qualify as an identical or substantially similar product to a registered domestic product. Importers should coordinate with EPA's Office of Pesticide Programs and ensure that labeling meets US requirements before the shipment arrives at the port of entry.

Why is ferrophosphorus excluded from this heading, and where is it classified?

Ferrophosphorus is an iron-phosphorus alloy produced as a byproduct of phosphorus furnace operations and is classified among ferroalloys rather than with chemically defined phosphides. The exclusion reflects its metallurgical rather than chemical character — it is used as a steel additive, not as a reactive phosphide compound.

U.S. imports of phosphides (excluding ferrophosphorus) (SITC 52492) totaled $177K in April 2026, traded with 4 countries.

Importers of Phosphides (Excluding Ferrophosphorus) paid $13K in duties in April 2026 — an effective duty rate of 10% on $128K in dutiable value, based on actual customs collections rather than the published tariff schedule. Phosphides (Excluding Ferrophosphorus) imports of $177K in April 2026 ran 44% below the year-to-date monthly average of $317K.

Last updated: April 2026 data

Aluminum phosphide and zinc phosphide are the commercially dominant members of this heading, used primarily as grain fumigants that release toxic phosphine gas upon contact with moisture — a property that makes them effective rodenticides and insecticides in stored-commodity protection. Calcium phosphide and other metal phosphides serve as specialty reagents in organic synthesis and semiconductor doping. Because aluminum phosphide and zinc phosphide are registered pesticides, US imports are subject to EPA FIFRA registration requirements, and shipments must be accompanied by appropriate labeling and safety documentation.

AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.

Imports: $177K; from 4 countries
Exports: $2.7M
Trade balance: Surplus of $2.5M; net exporter

YTD $1.3M (April 2026) · 13 shipments/mo

Top trading partners

View all 4

Country	Imports	Exports	Balance
GERMANY	--	$901K	+$901K
TAIWAN	--	$888K	+$888K
JAPAN	--	$325K	+$325K
CHINA	--	$204K	+$204K
CANADA	$174K	--	-$174K

GERMANY

Imports--

Exports$901K

Balance+$901K

TAIWAN

Imports--

Exports$888K

Balance+$888K

JAPAN

Imports--

Exports$325K

Balance+$325K

CHINA

Imports--

Exports$204K

Balance+$204K

CANADA

Imports$174K

Exports--

Balance-$174K

Import Trend (12 months)

Monthly import values over time

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Frequently Asked Questions

What EPA registration requirements apply to imported aluminum phosphide fumigant tablets?

Aluminum phosphide products used as pesticides must be registered under FIFRA. Imported formulations must either carry an EPA registration number or qualify as an identical or substantially similar product to a registered domestic product. Importers should coordinate with EPA's Office of Pesticide Programs and ensure that labeling meets US requirements before the shipment arrives at the port of entry.

Why is ferrophosphorus excluded from this heading, and where is it classified?

Ferrophosphorus is an iron-phosphorus alloy produced as a byproduct of phosphorus furnace operations and is classified among ferroalloys rather than with chemically defined phosphides. The exclusion reflects its metallurgical rather than chemical character — it is used as a steel additive, not as a reactive phosphide compound.