BIS ISI CertificationWithdrawal of BIS QCOs for Pyridine, Beta Picoline, Sodium Tripolyphosphate, H Acid, K Acid, and Vinyl Sulphone
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BIS ISI Certification
Issue Date: 20-11-2025
Source : Bureau of Indian Standards (ISI)
Introduction to the BIS QCOs for Specified Chemicals
There has been a new update from the Bureau of Indian Standards relating to the withdrawal of 6 chemicals. With regard to the powers that have been granted under section 16 of the BIS Act, 2016, and following consultation with the Bureau of Indian Standards (BIS), the Ministry of Chemicals has recently issued official notifications, dated 20 November 2025, regarding the withdrawal of the Quality Control Orders (QCOs) for Pyridine, Beta Picoline, Sodium Tripolyphosphate, H Acid, K Acid, and Vinyl Sulphone. This notification rescinds the earlier QCOs that have been issued for these chemicals, effective immediately.
Let us understand the withdrawal order in detail.
Key Changes You Should Know
- The earlier QCOs for the listed 6 chemicals: Pyridine, Beta Picoline, Sodium Tripolyphosphate, H Acid, K Acid, and Vinyl Sulphone, are no longer valid from now on.
- Previous notifications that mandated BIS certification for these chemicals are now rescinded, with immediate effect.
- BIS certification is no longer mandatory for the manufacture, import, or sale of these chemicals in the Indian market.
Impact on the Industry
The withdrawal of the QCOs for Pyridine, Beta Picoline, Sodium Tripolyphosphate, H Acid, K Acid, and Vinyl Sulphone has significant implications for businesses that are dealing with these chemicals. With BIS certification no longer mandatory, companies can operate more freely and in an efficient manner in the Indian market. This regulatory relaxation helps to simplify market entry, reduce compliance obligations, and also makes cross-border trade faster as well as more accessible for all stakeholders.
It's Good News for the Industry!
- No Mandatory Certification
Businesses that are dealing with Pyridine, Beta Picoline, Sodium Tripolyphosphate, H Acid, K Acid, and Vinyl Sulphone in the Indian market no longer need BIS certification. - Operational Flexibility
Manufacturers, importers, as well as traders now have greater freedom in sourcing, producing, and distributing these chemicals. - Lower Costs & Reduced Burden
There are now fewer testing, inspection, as well as documentation requirements that help cut operational costs as well as administrative workload. - Simpler Imports & Sourcing
Importing these chemicals from international suppliers is now all the more easier as well as absolutely faster. - Optional Labeling & Documentation
References to BIS compliance on packaging or documents are no longer mandatory. - Existing Certified Stock Can Be Sold
Businesses can continue selling previously BIS-certified stock without needing renewal of the BIS Certificates.
Brand Liaison: Reliable BIS Consultant to Help You Stay Prepared for Future Requirements
Although BIS certification is currently not mandatory, the QCOs could definitely be reintroduced in the future. Businesses are therefore advised to:
- Maintain voluntary BIS certification to strengthen market credibility.
- Stay ahead with the regulatory implications to gain trust among customers in the market.
- Stay updated with BIS notifications to ensure ongoing compliance.
- Seek professional guidance from experienced BIS consultants, such as Brand Liaison, which provides proactive and customized support in order to ensure smooth and compliant operations in India.
For expert BIS consultancy, get in touch with Brand Liaison, and start your journey towards smooth compliance in the Indian market.
Feel free to connect with us to know more. We will be happy to assist you further.

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