HS Code for Sodium dichromate

Sodium dichromate is classified under HS code 2841.30. This classification is found within Chapter 28 of the Harmonized System, which encompasses inorganic chemicals. Heading 2841 is designated for salts of oxometallic or peroxometallic acids. Sodium dichromate, being a salt of dichromic acid, fits into this heading. Subheading 2841.30 is the specific international code for sodium dichromate. This chemical is an inorganic compound that usually occurs as a dihydrate with a bright orange color. It is a critical industrial chemical used as a precursor for most other chromium compounds, including pigments and tanning agents. It is also used in metal finishing, petroleum refining, and as an oxidizing agent in organic synthesis. The classification is based on its chemical structure as an oxometallic salt. Even when used in specific industrial processes like leather tanning, the pure or technical grade chemical remains classified under this code rather than under the headings for tanning extracts or prepared pigments.

Products Included

• Sodium dichromate dihydrate crystals
• Anhydrous sodium dichromate
• Technical grade sodium dichromate for industrial use
• Sodium dichromate solutions (pure)
• Reagent grade sodium dichromate for laboratory use

Common Misclassification

Sodium dichromate is frequently misclassified under HS code 2841.50, which is the residual category for other chromates and dichromates, such as potassium dichromate. Because sodium dichromate has its own specific subheading (2841.30), it must not be placed in the general category. Another common error involves HS code 3202.90, which covers synthetic organic tanning substances and inorganic tanning substances. While sodium dichromate is used in the tanning industry, the pure chemical salt belongs in Chapter 28. Similarly, it should not be confused with chromium oxides classified under 2819 or sodium chromate classified under 2841.50.

FAQ

What is the HS code for Sodium dichromate?

The international HS code for sodium dichromate is 2841.30, which specifically identifies this sodium salt of dichromic acid.

What are the primary industrial applications of sodium dichromate?

Sodium dichromate is primarily used as a starting material for the production of chromium-based pigments, as a tanning agent in the leather industry, and as a corrosion inhibitor in metal treatment. It is also utilized in the manufacturing of vitamin K and as an oxidant in various chemical manufacturing processes.