ISI / BIS Certification for Sodium Sulphide, Technical

The chemical compound sodium sulphide has the formula Na₂S. It is a crystalline, soluble in water solid that quickly collects moisture from the atmosphere due to its hygroscopic nature. When sodium sulfide interacts with acids, hydrogen sulfide gas is released, giving sodium sulfide its characteristic strong smell, which is similar to rotten eggs. Sodium sulfide anhydrous (Na₂S) and sodium sulfide nonahydrate (Na₂S·9H₂O) are the two forms that are most often seen.  

Usually utilized in industrial settings where extreme purity is not a top priority, the technical grade of sodium sulfide may have impurities that are acceptable for the intended usage. Due to its special qualities and adaptability, it may be used to meet important demands in a variety of sectors, including water treatment, chemicals, leather and textiles, pulp and paper, and pulp and paper.  

Because sodium sulfide has several potentially dangerous characteristics, such as an odor and the ability to produce poisonous gasses, it must be handled carefully. It is imperative to follow appropriate safety protocols and handling techniques while handling this chemical.

Under IS standard IS 297: 2001, all sodium sulfide technical materials are now required to be listed in the ISI Certification Scheme.

The requirements and methods for testing and sampling technical-grade sodium sulfide are described in this standard. When the material is put through the testing procedures outlined in this standard's appendix, it must meet the criteria.  

Without the ISI Mark, this product cannot be marketed, imported, or exported into the Indian consumer market.

About ISI / BIS Certification

Indian Standards Institute, or ISI was renamed the Bureau of Indian Standards (BIS) in 1987. The official mark that the Bureau of Indian Standards provides for manufacturers of various goods is the ISI Mark. It is used to indicate compliance with Indian standards (IS) set by the Bureau of Indian Standards (BIS) and has been used as a conformity marking for industrial products. Manufacturers received permission from BIS to use the ISI Mark on items that comply with relevant Indian requirements through the product certification program. 

Only manufacturers (domestic or foreign) who produce the finished product will be awarded ISI Certification. This will not be given to any product importers, traders, dealers, or distributors.

Documents Required for ISI / BIS Certification

The following documentation is required to get an ISI certification:

• Main Application Form V
• Address Proof of Manufacturing Unit
• Details of Manufacturing Process
• Test Report of products

For more detailed information, please click here.

Process of ISI / BIS Certification

There are two approaches for Indian manufacturers to become certified with the ISI Mark:

• Regular Procedure
• Simplified Procedure 

Regular Procedure

With the possible exception of cases deemed "All India first," which might take up to 180 days, the licensing procedure is expected to be finished in 120 days. This timeline starts on the day the application is received, assuming that at different points in time the documentation, unit assessment, and product conformance are all deemed acceptable.

Step 1: Manufacturing Unit Customization in Compliance with Applicable Indian Standards

• Identifying the applicable Indian Standard
• Establishing in-house testing facilities as per the Standard's requirements

Step 2: Submission of the Application Form

• Preparing an Internal Test Report for the product by the relevant Indian Standard
• Compiling all necessary documents
• Completing the Online Application Form
• Online payment of application fees directly to BIS
• Submitting hard copies of the Application Form with all enclosures to the relevant Branch Office (BO) of BIS

For more detailed information, please click here.

Simplified Procedure

This is a much faster process than the standard procedure. After a factory inspection is deemed satisfactory and the initial evaluation establishes that the sample complies with the applicable Indian Standard(s), the license application process is expected to be finished in 30 days.

Step 1: Adapting the Manufacturing Unit to Comply with the Relevant Indian Standard

• Identifying the applicable Indian Standard
• Establishing in-house testing facilities to meet the Standard's requirements

Step 2: Sample Testing

• Obtaining the necessary certificate for raw materials (Material Test Certificate - MTC)
• Conducting product sample testing at a BIS-recognized testing laboratory

For more detailed information, please click here

ISI Mark Certification Process for Foreign Manufacturers

The process of obtaining ISI Mark Certification for Foreign Manufacturers typically includes the following steps:

Step 1: Application

• Compile all the required documents.
• Submit the documents along with the Application Fee.
• An Application Number will be allotted.
• Scrutiny of the Application will be conducted within a specified time frame.​

Step 2: Query Raised (If Any)

• If any documents are missing or there is non-compliance, you will be informed.
• You need to submit a reply within the given timeframe.

​For more detailed information, please click here.

Why choose Brand Liaison?

Brand Liaison provides helpful support for achieving ISI Mark Certification. Among our offerings are:

•  Expert guidance
•  Streamline process
• Comprehensive support
• Cost-effective solutions
• Time efficient

Please click here to get in contact with our team of specialists for a deeper explanation of the paperwork and steps needed to get ISI Mark Certification.