Double cyanide of potassium and sodium

Double cyanide of potassium and sodium (complex cyanide)

CIB&RC CLEARANCE

HSN 2837 19 20 (Double cyanide of potassium and sodium) is subject to mandatory registration or import permit from the Central Insecticides Board and Registration Committee (CIB&RC) under Section 9 of the Insecticides Act, 1968. Import is restricted to designated places under Rule 45 of the Insecticides Rules, 1971, and the Central Board of Indirect Taxes and Customs (CBIC) mandatory Chapter 28 qualifier declarations apply at the bill-of-entry stage under CBIC Circular 23/2023-Cus.

What this is

HSN code

2837 19 20

Chapter

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

Primary regulator

CIB&RC · Insecticides Act, 1968 and Insecticides Rules, 1971

Customs documentation

Registration certificate from CIB&RC
Import permit from CIB&RC
Chapter 28 qualifiers from CBIC

Applicable Partner Government Agencies

CIB&RCCIB&RC·Central Insecticides Board and Registration Committee

Procedural directions for customs clearance are issued by: Central Board of Indirect Taxes and Customs.

Compliance steps

1
Obtain a valid CIB&RC certificate of registration (for insecticidal use) or an import permit from the Registration Committee under the Department of Agriculture and Cooperation (for non-insecticidal use) before shipment. The source of supply must match exactly what is specified on the certificate or permit; import from any other source is prohibited under Section 9 of the Insecticides Act, 1968.
Section 9 of the Insecticides Act, 1968 · Insecticides Rules, 1971 · CBIC Circular 35/2011-Cus dated 09-08-2011 · CBIC Circular 7/2014-Cus dated 07-03-2014
2
Route the consignment only through a place designated for insecticide imports under Rule 45 of the Insecticides Rules, 1971, and upload the registration certificate or import permit in e-Sanchit at the bill of entry. Ensure mandatory additional qualifiers for Chapter 28 commodities are included in the import declaration with effect from 15 October 2023.
Rule 45 of the Insecticides Rules, 1971 · CBIC Circular 23/2023-Cus dated 30-09-2023, Para 4.1 and 4.2
3
Where the imported quantity of this hazardous substance exceeds the threshold specified under the Public Liability Insurance Act, 1991, take out a mandatory insurance policy before import. Refer S.O. 227(E) dated 24-03-1992 issued by the Ministry of Environment and Forests for the specified quantities and coverage requirements.
Public Liability Insurance Act, 1991 · S.O. 227(E) dated 24-03-1992

A word of counsel

The most frequent compliance failure on this tariff line is the source-specificity trap: importers who hold a valid CIB&RC certificate but switch to an alternative supplier mid-contract — without prior amendment of the registration — render the entire consignment unlawful, exposing it to seizure under the Insecticides Act, 1968 regardless of the product's chemical identity. A parallel error is importing under a registration-category permit when the stated end-use is non-insecticidal, or vice versa; the two permit tracks are not interchangeable, and a mismatch is treated as an unregistered import.

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Frequently asked

Does HSN 2837 19 20 require BIS certification?

No; no BIS Quality Control Order covers complex cyanides under this tariff line. Import is governed by the Central Insecticides Board and Registration Committee under Section 9 of the Insecticides Act, 1968, with a designated-port restriction under Rule 45 of the Insecticides Rules, 1971 and CBIC Chapter 28 qualifier obligations.

Does the type of CIB&RC authorisation differ depending on whether the cyanide is used as an insecticide or for another purpose?

Yes. Where the substance is imported for insecticidal use, a certificate of registration is required; where it is imported for a non-insecticidal purpose, a separate import permit issued by the Registration Committee is required, and the two documents are not interchangeable.

When does the Public Liability Insurance obligation apply to this import?

The obligation to take out an insurance policy under the Public Liability Insurance Act, 1991 is triggered when the quantity of the hazardous substance imported exceeds the threshold specified in S.O. 227(E) dated 24-03-1992; the insurer must be in place before the consignment is released.

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