HSN HEADING

3815REACTION INITIATORS, REACTION ACCELERATORS AND CATALYTIC PREPARATIONS, NOT ELSEWHERE SPECIFIED OR INCLUDED

HSN heading 3815 falls under Chapter 38 — miscellaneous chemical products. It breaks down into 4 sub-codes listed below.

Sub-codes under 3815 (4)

381511

WITH NICKEL OR NICKEL COMPOUNDS AS THE ACTIVE SUBSTANCE

381512

WITH PRECIOUS METAL OR PRECIOUS METAL COMPOUNDS AS THE ACTIVE SUBSTANCE :

381519

OTHER

381590

OTHER

About HSN heading 3815

The 4-digit code 3815 is an HSN heading — a mid-level grouping that breaks down further into 6-digit sub-headings and 8-digit tariff items. Choose the most specific sub-code that matches your supply so the GST rate, e-invoice schema, and GSTR-1 HSN summary all line up correctly. It sits inside Chapter 38, which covers miscellaneous chemical products.