DGTR Initiates Anti-dumping Investigation on Dyestuff Raw Material DASDA from China on Sole Producer Deepak Nitrite Complaint

·         Earlier Notification 52-Customs(ADD)/09.11.2016 Expired on 22 January 2019

[DGTR Initiation Notification Case No. AD(OI) – 41/2024 dated 27 December, 2024]

·         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’-Diaminostillbene- 2, 2’-Disulfonic Acid and DSD Acid.

·         The product is a light-yellow colour powder/cream, which is used in synthesis of dye stuffs, like optical brightening agents, fluorescent brightening agents, etc. The product may be supplied in different concentrations such as 95%, 98% or 100% based on the requirement of the consumers.