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IS 8637 : 2020, stands for ' Hindolue S Acid. It is a chemical used in dyes. This Indian Standard contains specifications and criteria for quality and safety of HINDOLUE,S Acid. Getting BIS certification under this standard assures that the product follows a set of guidelines and is safe for usage in textile and associated industries.
H Acid, 1-amino-8-naphthol-3,6-disulfonicacid is used as an essential raw material in production of dye. The chemical is used in the primary production of azo textiles, leather and paper dyes. The fact that such dyes may touch skin or enter the environment requires great care in regards to quality control.
IS 8637:2020 guarantees that the production of H Acid is done with the same quality consistency and zero levels of harmful impurities and within recommended limits that ensure the product is usable in an industrial environment. BIS established the standard to make Indian manufacturers in line with the international best practice and to save the interests of consumers and environment both.
BIS certification under IS 8637:2020 is a compulsory requirement. This is because:
By enforcing this certification, BIS ensures uniform quality control across the sector.
The standard defines both chemical and physical parameters.
|
Parameter Category |
Key Aspects |
Purpose |
|
Purity |
Minimum 96% pure H Acid |
Ensures high-quality dye output |
|
Moisture content |
Limited to prevent degradation |
Maintains product stability |
|
Iron content |
Strictly controlled |
Avoids unwanted colour change in dyes |
|
pH value |
Maintained within set range |
Prevents instability in processing |
|
Appearance |
Free-flowing, without lumps |
Supports consistent handling |
Testing for these parameters must be done in BIS-approved laboratories.
What is BIS Compulsury Registration Scheme?
The BIS registration process is systematic. It involve both documentation and technical evaluation
Manufacturers submit an online application on the BIS portal with details of the plant, capacity, and production process.
This includes factory layout, process flow chart, raw material details, quality control procedures, and previous test reports if available.
BIS officials or recognized labs collect samples from the production facility. These are tested for all parameters specified in IS 8637:2020.
An on-site inspection verifies manufacturing practices, storage facilities and testing equipment
Once the facility meets all requirements and the sample passes testing, BIS issues the certification. Manufacturers can then use the ISI mark on their H Acid packaging.
A BIS license for H Acid is generally valid for two years. Renewal requires:
Manufacturing or selling H Acid without BIS certification can lead to:
These penalties underline the seriousness of BIS norms.
IS 18340 : 2023 BIS Certificate Registration for Vinyl Sulphone
|
Factor |
Domestic Manufacturing |
Imports |
|
Inspection |
BIS team visits plant in India |
BIS team or authorised agency visits overseas plant |
|
Sample testing |
Done at BIS-approved Indian labs |
Samples sent to BIS-recognised labs in India |
|
Approval timeline |
Typically faster if documents are complete |
May take longer due to international coordination |
This distinction helps ensure that imported products meet the same safety and quality levels as domestic ones
The standard benefits both industry and end-users:
Technical modernization- Plants might have to obtain new devices in order to comply with purity demands
Testing delays - The backlog in the laboratories may delay approvals
Documentation errors - Documentation errors can cause rejection due to missing docs or incorrect docs
Finding a solution to these difficulties may at times need professional regulatory assistance
BIS certification of H Acid under IS 8637:2020 goes beyond compliance as it is a quality mark. On the part of the manufacturers, it establishes credibility in the market and facilitates exports and guarantees the environment. It supplies steady raw materials that are safe to the textile and dye industries.
Agile Regulatory assists companies to obtain BIS certification at a high rate. We also take care of all documentation and finishing of your H Acid including its final certification as per IS 8637:2020. You are free to concentrate on production with us taking care of your compliance.
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Nishi Chawla
30 Sep, 2025
Nishi Chawla
30 Sep, 2025
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26 Sep, 2025
Nishi Chawla
26 Sep, 2025
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25 Sep, 2025
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