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Product Description



Phosphorus oxychloride is a chemical that looks like a clear or slightly yellow liquid. It gives off an unpleasant smell and can make a little bit of smoke-like stuff when it's exposed to air. People use this chemical as a helper in making dyes, pesticides, and medicines. It's like a tool that helps change other chemicals by adding chlorine to them.

This chemical plays a vital role in various industries. It's made up of phosphorus, oxygen, and chlorine atoms. In simpler terms, think of it as a chemical ingredient used to make other important things. Imagine it as a clear liquid in a bottle, but be careful because it can release some smoky stuff when it touches the air.

Phosphorus oxychloride is like a helper in the world of chemistry. It's used to change other chemicals by adding chlorine to them. This process is like giving a makeover to these chemicals, and it's crucial for making various colorful dyes, powerful pesticides, and even life-saving medicines. So, it's kind of like a superhero in the chemical world, making sure we have all these important products.

To make sure it's safe and high-quality, there are rules and tests in place. These rules say how it should be packed in special containers and labeled with important information.

If it meets all these rules and passes the tests, it gets a special mark called the "ISI Certification Mark," which is like a gold star saying it's good to go.

IS 11657:2020 is like a set of rules for something called "Phosphorous Oxychloride, Technical." These rules tell us what this chemical should be like and how to check if it's good enough. To make sure it's good quality, there are special tests to check it. These tests are like making sure your ingredients are fresh before cooking. So, these rules make sure that when people use phosphorus oxychloride, it's safe and does its job properly in making colorful dyes, pesticides, and medicines.


1.     When this chemical is packed and labeled, one needs to follow the rules in IS 11657:2020.

2.     The chemical should be put into certain containers like drums lined with special plastic, high-density plastic containers, or clean glass containers.

3.     Each of these containers should have certain information on it, like what's inside and other details mentioned in the rules.

4.     If the chemical meets all the rules and standards, they can put a special mark on each container. This mark is called the "ISI Certification Mark."

5.     But to use this mark, the company making the chemical needs permission from the Bureau of Indian Standards, which is called a BIS license.

6.     It's like a special stamp to show that the product is good and safe.


Test shall be carried out in accordance with the method specified.

·   Test for Boiling range

·   Relative density test

·   Determination of phosphorus oxychloride

Process for BIS ISI Mark Certification

Process for BIS ISI Mark Certification

To know the process in detail, please visit:

ISI Mark Certification for Domestic And Foreign Manufactures

Under BIS Registration Products ISI and CRS

Benefits of BIS Certification

Getting BIS (Bureau of Indian Standards) registration for your products has some really good advantages:

1. More Sales: When your products have BIS registration, it means they're likely to be better quality. Customers trust this, so you'll probably sell more.

2. Saves Money on Quality: Once you get the certification, you don't need to worry about extra quality rules because your products are already known to be good.

3. Builds Trust and Less Risk: BIS-certified items are real and reliable. They work well and last a long time, so there's less chance of problems or harming the environment.

4. High-Quality Guaranteed: When a product has a BIS registration number, it's a sign that it's top-quality and trustworthy.

5. Helps Your Business Grow: BIS certification makes your product's reputation better, which can lead to more growth and getting noticed in the market. It's good for expanding your business.


Phosphorus oxychloride has been included in the mandatory ISI Certification Scheme under the IS 11657:2020 standard. Manufacturers cannot import, export, or sell this product in the Indian consumer market without the ISI Mark.

If you require assistance with BIS ISI registration for Phosphorus oxychloride or ISI mark certification for Phosphorus oxychloride you can rely on Evtlindia. We offer comprehensive support with all documentation formalities at India's BIS office, ensuring a smooth and hassle-free registration experience. We will guide you through the entire process, from start to finish.

You can contact us via email at or by phone at 9560935898. Please feel free to reach out to us at any time for the support you need.

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