What documents are required to import HS 29041020 into India?

Typically required: commercial invoice, packing list, bill of lading / airway bill, certificate of origin (for preferential rates). This HS has 1 additional permit / restriction requirement(s) — see detail page.Confirm latest requirements with CBIC / DGFT ITC-HS 2025-26.

How to calculate landed cost for importing HS 29041020 into India?

Use CIF (goods + freight + insurance) × 5 = import duty. Then add IGST 18 = landed cost. Treayo provides an online calculator at https://treayo.com/en/calculator/india.

WCO classification path

Chapter29Organic chemicals
Heading2904Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated
Subheading290410- Derivatives containing only sulpho groups, their salts and ethyl esters
National290410201,5 Napthelene disulphonic acid (Armstrong’s acid)

29041020

ACTIVE

What is the India import tariff for HS 29041020 (1,5 Napthelene disulphonic acid (Armstrong’s acid))?

Quick answer: India Basic Customs Duty for HS 29041020 is 5, plus IGST 18. 1 import permit / restriction(s) apply.

"1,5 Napthelene disulphonic acid (Armstrong’s acid)"

HS code 29041020 (Chapter 29 "Organic chemicals"; Heading 2904 "Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated"; Subheading 290410 "- Derivatives containing only sulpho groups, their salts and ethyl esters") under the India tariff schedule classifies "1,5 Napthelene disulphonic acid (Armstrong’s acid)". India customs apply Basic Customs Duty of 5, IGST 18. Statutory unit of measure: kg. This commodity is subject to 1 import regulation or restriction; see compliance section below.

Tariff Schedule

Classification	Rate	Legal
基本关税 (BCD) Basic Customs Duty	5	Official tariff schedule
IGST IGST	18	Official tariff schedule
社会福利附加税 SWS	0.5	Official tariff schedule
综合税负 Total duty	24.49	Official tariff schedule