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HomeHSNChapter 32HSN 3204 12 46

Acid blue 51 (alizarine sky blue FFB]

Acid blue 51 synthetic acid dye, alizarine sky blue FFB

CBIC CLEARANCE

HSN 3204 12 46 (Acid blue 51, alizarine sky blue FFB) is subject to mandatory additional-qualifier declarations in the import bill of entry under CBIC Circular 23/2023-Cus dated 30-09-2023, applicable to all commodities under Chapter 32 with effect from 15 October 2023. The tariff line is Free under the ITC (HS) import policy, and no sectoral PGA licence or permit is required beyond the CBIC chapter-qualifier compliance.

What this is
HSN code
3204 12 46
Chapter
32 · Tanning or dyeing extracts; tannins and their derivatives; dyes, pigments, paints and varnishes
Primary regulator
CBIC · Circular 23/2023-Cus dated 30-09-2023, Chapter 32 mandatory qualifiers
Customs documentation
  • Chapter 32 qualifiers from CBIC
  • Import declaration from CBIC
Compliance steps
  1. 1
    Include all mandatory additional qualifiers for Chapter 32 commodities in the import declaration as stipulated in paragraphs 4.1 and 4.2 of CBIC Circular 23/2023-Cus. These qualifiers are compulsory at the bill-of-entry stage with effect from 15 October 2023; an incomplete declaration will cause the bill to be held at assessment.
    CBIC Circular 23/2023-Cus dated 30-09-2023, para 4.1 and 4.2
  2. 2
    Verify that the declared qualifiers accurately describe the specific dye identity — Acid Blue 51 (Colour Index name: Alizarine Sky Blue FFB) — to satisfy the chemical-identity specificity requirements expected under the Chapter 32 qualifier regime. Misdescription may trigger re-assessment or detention.
    CBIC Circular 23/2023-Cus dated 30-09-2023, para 4.1 and 4.2
A word of counsel

The most common error on this tariff line is filing the bill of entry without the Chapter 32 mandatory qualifiers, treating the requirement as optional for chemically well-known dyes. CBIC Circular 23/2023-Cus applies uniformly across all commodities under Chapters 28, 29, 32, 39 and CTH 3808 regardless of the importer's prior familiarity with the product — an absent or incomplete qualifier declaration results in bill-of-entry detention and reassessment delay, with attendant demurrage and ground rent at the port.

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Frequently asked
Does HSN 3204 12 46 require BIS certification?
No, synthetic acid dyes including Acid Blue 51 are not covered by any BIS Quality Control Order. Import compliance for this tariff line is governed by the Central Board of Indirect Taxes and Customs mandatory additional-qualifier regime under CBIC Circular 23/2023-Cus dated 30-09-2023.
From which date are the Chapter 32 mandatory qualifiers required in the import declaration?
The mandatory additional qualifiers under CBIC Circular 23/2023-Cus are operative with effect from 15 October 2023 for all imports under Chapters 28, 29, 32, 39 and CTH 3808.
Are there any PGA licence or permit requirements for importing Acid Blue 51 under this HSN?
No sectoral PGA licence, registration, or permit is required for this tariff line. The sole operative compliance obligation is the CBIC Chapter 32 mandatory-qualifier declaration under paragraphs 4.1 and 4.2 of CBIC Circular 23/2023-Cus.
Last verified against gazette notifications: 2026-05-16. Source: CBIC / Indian Customs CUSDATA.
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