Sodium metasilicates

Sodium metasilicates, commercial alkali metal silicates

CBIC CLEARANCE

HSN 2839 11 00 (Sodium metasilicates) is subject to Central Board of Indirect Taxes and Customs (CBIC) mandatory additional-qualifier requirements under CBIC Circular 23/2023-Cus dated 30-09-2023, operative from 15 October 2023. Importers must furnish Chapter 28 mandatory qualifiers in the import declaration at the bill-of-entry stage, and any drug-category consignments require the full CDSCO drug-documentation bundle uploaded in e-Sanchit before out-of-charge.

What this is

HSN code

2839 11 00

Chapter

28 · Inorganic chemicals; organic or inorganic compounds of precious metals

Primary regulator

CBIC · CBIC Circular 23/2023-Cus dated 30-09-2023 (Chapter 28 mandatory qualifiers)

Customs documentation

Chapter 28 qualifiers from CBIC
Certificate of Analysis from supplier
Import licence from issuing authority

Compliance steps

1
Include all mandatory additional qualifiers in the import declaration as stipulated in Para 4.1 and 4.2 of CBIC Circular 23/2023-Cus for commodities under Chapter 28. These qualifiers are mandatory with effect from 15 October 2023 and must appear on every bill of entry for this tariff line.
CBIC Circular 23/2023-Cus dated 30-09-2023, Para 4.1 and 4.2
2
Where the consignment is classified as a drug under the applicable regulatory framework, upload the full drug-documentation set in e-Sanchit before out-of-charge: Certificate of Analysis (0010dc), Batch Release Certificate (0030dc), Label of Consignment (0110dc), Registration Certificate for Drugs (101dc1), and Import Licence for Drugs (9111dc).
CBIC Circular 23/2023-Cus dated 30-09-2023 · e-Sanchit document codes 0010dc, 0030dc, 0110dc, 101dc1, 9111dc

A word of counsel

The most common error on this tariff line is treating sodium metasilicates solely as an industrial chemical and omitting the Chapter 28 mandatory qualifiers from the import declaration. CBIC Circular 23/2023-Cus requires these qualifiers regardless of the end-use of the consignment; a declaration filed without the Para 4.1 and 4.2 qualifiers after 15 October 2023 is deficient on its face and attracts customs examination, detention, and potential reassessment at the port of import.

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Frequently asked

Does HSN 2839 11 00 require BIS certification?

No, no BIS Quality Control Order covers sodium metasilicates or commercial alkali metal silicates. Import compliance for this tariff line is governed by CBIC mandatory-qualifier requirements under CBIC Circular 23/2023-Cus dated 30-09-2023 for Chapter 28 commodities.

Which document codes must be uploaded in e-Sanchit if the consignment is classified as a drug?

The mandatory upload set comprises Certificate of Analysis (0010dc), Batch Release Certificate (0030dc), Label of Consignment (0110dc), Registration Certificate for Drugs (101dc1), and Import Licence for Drugs (9111dc); all must be uploaded before out-of-charge is granted.

Do the Chapter 28 mandatory qualifiers apply to every import of sodium metasilicates or only to drug-category consignments?

The Para 4.1 and 4.2 qualifiers under CBIC Circular 23/2023-Cus apply to all import declarations for Chapter 28 commodities with effect from 15 October 2023, irrespective of whether the consignment is additionally subject to drug-documentation requirements.

Last verified against gazette notifications: 2026-05-16. Source: CBIC / Indian Customs CUSDATA.