HS Code Subheading

Dithionites and sulphoxylates; other than sodium

2831.90 Subheading
Section VI — Products of the chemical or allied industries

About HS Code 283190

This HS code covers dithionites and sulphoxylates of elements other than sodium, such as zinc dithionite or calcium dithionite. While less common than their sodium counterparts, these compounds serve specialized roles as reducing agents in niche industrial applications. Their uses include certain textile processes, photographic chemicals, and as catalysts or stabilizers in specific chemical reactions where a non-sodium reducing agent is preferred or required. Importers are typically countries with specialized chemical industries or those requiring specific reducing agents for unique manufacturing processes, often in smaller volumes compared to sodium variants. Exporters are usually specialized chemical manufacturers in countries like Germany, Japan, and the USA, capable of producing these less common but critical compounds. Key trade considerations involve ensuring high purity for specific applications, safe handling and storage due to their reactive nature, and adherence to chemical safety regulations. The market for these chemicals is highly specialized and demand-driven.

Products Under This Code

Zinc dithionite, Calcium dithionite, Magnesium dithionite, Potassium dithionite, Zinc formaldehyde sulphoxylate, Calcium formaldehyde sulphoxylate

Real World Examples

Sigma-Aldrich Zinc Dithionite, Alfa Aesar Calcium Dithionite, TCI Chemicals Zinc Formaldehyde Sulphoxylate, Merck KGaA Potassium Dithionite

Common Misclassification

This code is distinct from sodium dithionites and sulphoxylates (283110) and can be confused with other sulfur-containing reducing agents if not precisely identified by their metallic component.

Products Classified Under 2831.90

Industry

This code belongs to the Chemicals industry.

Trade Overview

Major importers include Japan, South Korea, and Germany, while top exporters are Germany, Japan, and the USA.

Frequently Asked Questions

What is HS code 283190?

HS code 283190 covers: Dithionites and sulphoxylates; other than sodium. This HS code covers dithionites and sulphoxylates of elements other than sodium, such as zinc dithionite or calcium dithionite. While less common than their sodium counterparts, these compounds serve specialized roles as reducing agents in niche industrial applications. Their uses include certain textile processes, photographic chemicals, and as catalysts or stabilizers in specific chemical reactions where a non-sodium reducing agent is preferred or required. Importers are typically countries with specialized chemical industries or those requiring specific reducing agents for unique manufacturing processes, often in smaller volumes compared to sodium variants. Exporters are usually specialized chemical manufacturers in countries like Germany, Japan, and the USA, capable of producing these less common but critical compounds. Key trade considerations involve ensuring high purity for specific applications, safe handling and storage due to their reactive nature, and adherence to chemical safety regulations. The market for these chemicals is highly specialized and demand-driven.

What products fall under HS code 283190?

Zinc dithionite, Calcium dithionite, Magnesium dithionite, Potassium dithionite, Zinc formaldehyde sulphoxylate, Calcium formaldehyde sulphoxylate

What are common misclassifications for HS code 283190?

This code is distinct from sodium dithionites and sulphoxylates (283110) and can be confused with other sulfur-containing reducing agents if not precisely identified by their metallic component.

How is HS code 283190 structured?

HS code 283190 is a 6-digit subheading under the Harmonized System. The first 2 digits (28) identify the chapter, digits 3-4 (31) identify the heading, and digits 5-6 (90) specify the subheading. This code is standardized globally by the World Customs Organization.