How to Apply for BIS CRS Registration for Orthophosphoric Acid IS 798 : 2020

The Indian government has lately started paying closer attention to what actually goes into its industrial supply chain. And not just finished goods, but the raw materials too. Chemicals especially. One such chemical that has now been brought under mandatory quality control is Ortho Phosphoric Acid. In many circles it is also loosely called Ortho Polyphosphoric Acid, though the usage depends on the industry.

What this means in simple terms is this: if a company wants to manufacture, sell, or import Ortho Phosphoric Acid for the Indian market, it must now hold a valid BIS ISI certification. There is no workaround here. The rule applies to Indian manufacturers as well as foreign suppliers. The applicable Indian Standard is IS 798: 2020, and it sits under a legally notified Quality Control Order, or QCO.

This change is driven by safety concerns more than anything else. Ortho Phosphoric Acid is used in fertilizers, food processing, metal treatment, pharma products, and even surface cleaning. If the quality is off, the damage is not small. It can affect entire production chains.

Read More BIS CRS Registration for Trimethyl Phosphite Technical Grade IS 17412: 2020

Why the Quality Control Order matters

The Quality Control Order is not a guideline. It is law. Once enforced, it becomes compulsory for the chemical to conform to the notified Indian Standard and to carry the ISI Mark. Any sale or import after the deadline, without certification, counts as a violation.

The Bureau of Indian Standards (BIS) is the authority responsible for this entire process. It issues licenses, inspects factories, collects samples and checks whether manufacturers continue to follow the rules even after approval

The intention behind regulating Ortho Phosphoric Acid is to protect industries downstream. Fertilizer makers, food companies and pharma units depend on consistent quality. Substandard acid can cause corrosion, contamination or batch failures. So the QCO tries to fix the problem at the source.

Under the BIS Act, 2016, non-compliance can invite penalties, product seizure, or complete restriction from the Indian market. And yes, this has already happened in other chemical categories.

What IS 798: 2020 actually says

IS 798: 2020 is the technical document that defines what acceptable Ortho Phosphoric Acid should look like, chemically and physically. The standard has been revised over time mostly to match modern industrial needs and tighter safety norms

It covers different grades of the acid depending on how it is used. Industrial-grade material is judged differently from acid meant for food or feed applications. Some of the main requirements include:

• Purity levels expressed as H₃PO₄ concentration. The standard clearly defines the minimum acceptable percentage.
• Limits on impurities like arsenic, lead, cadmium and fluorides. These limits are strict, especially when human consumption is involved
• Physical properties such as density, clarity and appearance. These may sound minor, but they matter during storage and transport

Manufacturers are expected to meet these parameters batch after batch not just once for approval. That’s where regular testing comes in.

Deadlines and transition periods

Most QCOs follow a phased rollout. The government usually gives some breathing room so manufacturers can adjust their systems and apply for certification. Still, the clock moves fast.

Large manufacturers typically get a shorter window, often around six months from notification. Micro and small enterprises are usually given extra time, sometimes up to a year. But these dates are fixed in the official order, not flexible.

Waiting till the last month is risky. Audits can get delayed. Labs can take longer. And if the license isn’t ready, production or imports must stop. No exceptions.

How BIS certification works in practice

The BIS certification process is detailed and sometimes exhausting. But it follows a clear structure.

First comes the application. The manufacturer submits factory details, process flow diagrams, equipment lists, and quality control documents. Missing paperwork slows things down.

Next is the factory inspection. BIS officers visit the site to check machinery, storage areas, testing facilities, and record keeping. They want to see whether the factory can actually control quality on a daily basis.

Then samples are drawn. These samples are sealed and sent to BIS-approved laboratories for independent testing. Results must match IS 798: 2020 exactly. Even small deviations can lead to rejection

Only after all this does BIS issue the license.

What foreign manufacturers need to know

Foreign suppliers fall under the Foreign Manufacturers Certification Scheme. The rules don’t change, but the process adds a few layers.

An Authorized Indian Representative (AIR) must be appointed. This person handles communication with BIS and manages compliance locally.

BIS officials travel to the overseas factory for inspection and sample collection. Samples are then tested in approved labs. The idea is simple: imported chemicals must meet the same standards as Indian ones. No shortcuts allowed.

Read More BIS CRS Registration for Polyphosphoric Acid IS 17439 : 2020

Compliance does not end after approval

Many companies assume certification is a one-time thing. It is not.

Licensed manufacturers must conduct regular in-house testing and keep proper records. BIS can conduct surprise inspections at any time. Samples may even be taken from the open market.

Licenses also need periodic renewal. Poor compliance history can delay renewals or cancel licenses altogether.

Closing note

Mandatory BIS certification for Ortho Phosphoric Acid under IS 798: 2020 is meant to clean up the supply chain, plain and simple. It pushes manufacturers to maintain real quality not just claim it

For businesses, certification is no longer optional paperwork. It is a gatekeeper. Those who plan early and follow the process will stay in the market. Those who ignore it may find themselves locked out, and fixing that later is never easy.