P-phenylenediamine

P-phenylenediamine, an aromatic diamine organic chemical

BIS QCO APPLICABLE · ISI MARK SCHEME · IS 17450 · CIB&RC OVERLAY · NDPS OVERLAY

HSN 2921 51 30 (P-phenylenediamine) is covered by a Bureau of Indian Standards Quality Control Order. Conformity to IS 17450:2020 is mandatory under the ISI Mark Scheme with effect from 28 October 2022, by virtue of the 1,3 Phenylenediamine (Quality Control) Order, 2022. Hazardous-substance insurance obligations under S.O. 227(E), NDPS import conditions, and Central Insecticides Board and Registration Committee permit requirements apply as separate customs-clearance overlays.

What this is

HSN code

2921 51 30

Chapter

29 · Organic chemicals

BIS QCO

Applicable · ISI Mark Scheme · CM/L required

Indian Standard

IS 17450:2020 · effective 28-10-2022

Applicable Partner Government Agencies

BISBIS·Bureau of Indian Standards

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

NDPSNDPS·Narcotics Control Bureau

Procedural directions for customs clearance are issued by: Central Board of Indirect Taxes and Customs, Directorate General of Foreign Trade.

Compliance steps

1
Source only from a Bureau of Indian Standards CM/L-licensed manufacturer holding a current licence against IS 17450:2020. Verify the supplier's CM/L number, licensed product scope, and manufacturing facility address on the BIS online register before placing the purchase order.
1,3 Phenylenediamine (Quality Control) Order, 2022 · S.O. 1960(E) dated 27-04-2022
2
Ensure every consignment lot bears the ISI mark and the supplier's CM/L number per Scheme-I of Schedule-II to the BIS (Conformity Assessment) Regulations, 2018. The standard mark must appear on the product label or primary packaging, not only on shipping documentation.
Scheme-I of Schedule-II to the BIS (Conformity Assessment) Regulations, 2018 · 1,3 Phenylenediamine (Quality Control) Order, 2022
3
Where the consignment quantity triggers the threshold under the Public Liability Insurance Act, 1991, the importer must hold a valid insurance policy before the goods are released. The threshold and conditions are set out in S.O. 227(E) dated 24-03-1992 by the Ministry of Environment and Forests.
S.O. 227(E) dated 24-03-1992 · Public Liability Insurance Act, 1991
4
If the consignment falls within the schedule to the Insecticides Act, 1968, obtain registration and a permit from the secretariat of the Central Insecticides Board and Registration Committee before import. Import locations are restricted under Rule 45 of the Insecticides Rules, 1971.
Insecticides Act, 1968 · Rule 45 of the Insecticides Rules, 1971 · ITC (HS) policy
5
File mandatory additional qualifiers in the import declaration for Chapter 29 commodities per CBIC Circular 23/2023-Cus dated 30-09-2023, with effect from 15 October 2023. Quote the BIS CM/L number on the bill of entry; customs verifies the licence in real time against the BIS register, and an absent, expired, or scope-mismatched licence triggers detention.
CBIC Circular 23/2023-Cus dated 30-09-2023 · BIS Act, 2016 · Customs Act, 1962

A word of counsel

The single most common error on this tariff line is assuming that IS 17450:2020 covers P-phenylenediamine simply because the standard's title references 1,3-phenylenediamine (the meta isomer): the CCR expressly ties IS 17450:2020 to this HSN, but importers must verify that the CM/L licence scope explicitly names the para isomer (P-phenylenediamine) and not merely the ortho or meta variants. A CM/L licence that covers only O- or M-phenylenediamine does not authorise import of the para-isomer product, and a scope mismatch confirmed at port results in consignment detention pending re-export or destruction.

Need a regulatory steer on this product?

Speak to a regulatory counsel about your specific HSN, IS, and supplier situation.

Speak to an Expert

Frequently asked

Does HSN 2921 51 30 require BIS certification?

Yes. P-phenylenediamine under this tariff line must conform to IS 17450:2020 under the ISI Mark Scheme with effect from 28 October 2022; import is permitted only from manufacturers holding a current BIS CM/L licence covering this specific isomer.

Is a Public Liability Insurance policy required for import of P-phenylenediamine?

Yes, where the import quantity of a specified hazardous substance exceeds the threshold set in S.O. 227(E) dated 24-03-1992. The insurance policy must be in force before the goods are released from customs.

Does the BIS QCO obligation apply even if the goods are also subject to NDPS or CIB and RC controls?

Yes. The BIS QCO under IS 17450:2020 is independent of NDPS import conditions and Central Insecticides Board and Registration Committee permit requirements; all applicable obligations run concurrently and must each be satisfied before out-of-charge is granted.

Does a CM/L licence for one phenylenediamine isomer cover all isomers under the subheading?

No. The CM/L is scope-specific by isomer and manufacturing facility; a licence covering the ortho or meta isomer does not authorise import of P-phenylenediamine, and customs will detain the consignment on a scope mismatch.

Last verified against gazette notifications: 2026-05-18. Source: BIS / CIB&RC / NDPS / DGFT / CBIC / Indian Customs CUSDATA.