Final Finding issued recommending anti-dumping duties on imports of 4, 4 Diamino Stilbene 2, 2 Disulphonic Acid (DASDA) originating in or exported from China PR (16.03.2026)
Product Description- The product under considerationis4, 4 Diamino Stilbene 2, 2 Disulphonic Acid (DASDA).
HS Codes – The product is classified under Chapter 29 of the Customs Tariff Act, 1975 and is imported under 29215940. The product is also being imported under 29214290.
Country involved- China PR
Applicant – Deepak Nitrite Limited
Period of investigation – 1st April 2023 to 30th June 2024 (15 months)
Injury period – 2020-21, 2021-22, 2022-23 and the period of investigation
Margins and recommended Duties:
| SN | Producers(s) | Dumping margin (%) | Injury margin (%) | Duty ($/MT) |
| 1 | Tsaker Huayu Chemical Company Ltd | 20-30% | 5-15% | 3,453 |
Key findings:
- The product under consideration in the present investigation is 4,4-Diamino Stilbene 2,2-Disulphonic Acid (DASDA).
- The product is also known as 2,2’-(1,2- Ethylenediyl) bis (5-aminobenzenesulfonic acid), 4,4’-Diaminostilbene-2,2’- Disulfonic Acid, and DSD Acid.
- Deepak Nitrite Limited filed the application. The other producers namely, Rama Polycon Limited, Rohan Dyechem and Industries Limited, Panchamrut Chemical Private Limited and Pranav Chemicals India Private Limited have supported the application. The domestic industry accounts for more than 75% of the total Indian production.
- Considering a fifteen-month period of investigation has not caused any prejudice or adverse impact on the outcome of the investigation or on bona fide interests of any set of interested parties.
- The normal value for China PR has been determined on the basis of price payable in India calculated as per cost of production in India, duly adjusted for selling, general & administrative expenses and reasonable profits.
- Imports have sharply increased in the period of investigation compared to the previous year.
- Over the injury period, the raw material cost has increased, but the import price has declined.
- Imports are undercutting the prices of the domestic industry in the market. The dumped imports have depressed the prices of the domestic industry.
- The domestic industry expanded its capacity. While the capacity and demand in India increased, the domestic sales have declined during the period of investigation.
- Due to adverse market condition created by the dumped imports, the domestic industry completely shutdown its production in Unit 3 and the entire workforce associated with this unit had been laid off.
- The domestic industry suffered financial losses, cash losses and negative return on capital employed in the period of investigation.
- The domestic industry has not suffered injury due to other factors.
- There is no demand-supply gap in the country, and the Indian industry has sufficient capacity to cater to the entire domestic demand.
- The overall impact of imposition of anti-dumping duties on the prices of OBA would be only about 2.5%. The OBA industry is capable of passing on any marginal increase in costs to downstream sectors.
