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India Delays Implementation of Quality Control Orders for H Acid and Vinyl Sulphone

Aug 01, 2025
Theory Wen
The Indian government has postponed the enforcement of Quality Control Orders for H Acid and Vinyl Sulphone until May 13, 2026, as announced in a recent gazette notification.
On July 30, 2025, India's Department of Chemicals and Petrochemicals (DCPC) issued a Notification on the gazette regarding the delayed implementation of Quality Control Orders (QCOs) for H Acid and Vinyl Sulphone. 

This is the second postponement announced by DCPC after the department notified earlier in May on the Gazette of India the delayed QCOs implementation for these two chemicals until August 13, 2025.  That notificatoin also delayed the QCO for K-Acid until May 13, 2026. 

According to this Notification, the latest implementation date is set out for the 2 chemicals as follows:

Goods or ArticlesTitle of Indian StandardImplementation Date
H AcidH Acid (Quality Control) Order, 2024May 13, 2026
Vinyl SulphoneVinyl Sulphone (Quality Control) Order, 2024May 13, 2026

The Orders do not apply to chemicals for export only. The chemical products conforming to the requirements of the Orders shall bear the Standard Mark under a license from the Bureau of Indian Standards. Any person who contravenes the provisions of the Orders shall be punished according to the Bureau of Indian Standards Act (BIS Act), 2016.

Check our page on Chempedia on BIS Certification in India to learn more.

Here are the QCOs for H Acid and Vinyl Sulphone. 

Tags : IndiaQCOsIndia BIS
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