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Acid green 38 (alizarine cyanine green 3G)

Acid green 38, premetallised acid dye preparations

CBIC CLEARANCE

HSN 3204 12 24 (Acid green 38, alizarine cyanine green 3G) is subject to Central Board of Indirect Taxes and Customs (CBIC) mandatory declaration requirements under CBIC Circular 23/2023-Cus dated 30-09-2023, which mandates additional qualifiers in import declarations for synthetic organic colouring matter under Chapter 32. Importers must include the stipulated qualifiers per paragraphs 4.1 and 4.2 of that Circular at the bill-of-entry stage, effective 15 October 2023.

What this is
HSN code
3204 12 24
Chapter
32 · Tanning or dyeing extracts; tannins and their derivatives; dyes, pigments, paints and varnishes
Primary regulator
CBIC · Mandatory additional qualifiers, Chapter 32 — CBIC Circular 23/2023-Cus
Customs documentation
  • Chapter 32 qualifiers from CBIC
  • Import declaration from CBIC
Compliance steps
  1. 1
    Include all mandatory additional qualifiers in the import declaration as stipulated in paragraphs 4.1 and 4.2 of CBIC Circular 23/2023-Cus. These qualifiers are required for all commodities under Chapters 28, 29, 32, 39 and CTH 3808, effective 15 October 2023.
    CBIC Circular 23/2023-Cus dated 30-09-2023, paragraphs 4.1 and 4.2
  2. 2
    Verify that the bill of entry accurately reflects the chemical identity of the dye — Acid Green 38 (alizarine cyanine green 3G) — in line with the Chapter 32 qualifier requirements. An incomplete or absent declaration triggers bill-of-entry examination and potential consignment detention at the port.
    CBIC Circular 23/2023-Cus dated 30-09-2023
A word of counsel

The most common error on this tariff line is filing a bill of entry without the Chapter 32 mandatory qualifiers, treating the dye as a generic chemical import rather than one subject to the Circular 23/2023-Cus declaration regime. The CBIC qualifier requirement applies to all Chapter 32 commodities regardless of consignment value or end-use, and an incomplete declaration — even one corrected post-filing — triggers examination, detention, and potential demurrage pending re-assessment.

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Frequently asked
Does HSN 3204 12 24 require BIS certification?
No, acid dyes including Acid Green 38 are not within the BIS Quality Control Order regime. Import is governed by the Central Board of Indirect Taxes and Customs mandatory qualifier declaration requirements under CBIC Circular 23/2023-Cus dated 30-09-2023, operative from 15 October 2023.
Which specific paragraphs of CBIC Circular 23/2023-Cus apply to Chapter 32 imports?
Paragraphs 4.1 and 4.2 of CBIC Circular 23/2023-Cus dated 30-09-2023 stipulate the mandatory additional qualifiers required in import declarations for Chapters 28, 29, 32, 39 and CTH 3808, effective 15 October 2023.
Does the CBIC qualifier requirement apply to premetallised acid dye preparations as well as pure dye substances?
Yes. The requirement under CBIC Circular 23/2023-Cus applies to all commodities under Chapter 32, encompassing both chemically defined acid dyes and preparations based thereon, including premetallised forms such as Acid Green 38.
Last verified against gazette notifications: 2026-05-16. Source: CBIC / Indian Customs CUSDATA.
Related
ChapterChapter 32 · Tanning or dyeing extracts; tannins and their derivatives; dyes, pigments, paints and varnishesHSNSYNTHETIC ORGANIC COLOURING MATTER, WHETHER OR NOT CHEMICALLY DEFINED; PREPARATIONS AS SPECIFIED IN NOTE 3 TO THIS CHAPTER BASED ON SYNTHETIC ORGANIC COLOURING MATTER; SYNTHETIC ORGANIC PRODUCTS OF A KIND USED AS FLUORESCENT BRIGHTENING AGENTS OR AS LUMINOPHORES, WHETHER OR NOT CHEMICALLY DEFINEDHSNAcid dyes, whether or not premetallised, and preparations based thereon;mordant dyes and preparations based thereon: