# 381590 — Reaction initiators, reaction accelerators and catalytic preparations, not…: Other

HS code 381590 classifies Reaction initiators, reaction accelerators and catalytic preparations, not…: Other. It belongs to Chapter 38 (Miscellaneous chemical products) of Section VI (Products of the chemical or allied industries) of the Harmonized System. Duty rates are recorded for 1 country.

> Section VI · Products of the chemical or allied industries
> Chapter 38 · Miscellaneous chemical products

**HS code:** `381590`

## Description

Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included : Other

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | Free–6.5% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/38/381590
Last updated: 2026-06-03
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