Mandatory BIS Standard
ISI Mark for H Acid, K Acid & Vinyl Sulphone
- Minimum marking fee per year
- ₹18,000 – ₹1,06,000
- Micro to large firms
- Testing cost
- ₹12,000 – ₹19,000
- Guide price from one lab
- HSN code
- 29222110
- Check the code with customs
BIS certifications for H Acid (IS 8637:2020), K Acid (IS 11557:1986), and Vinyl Sulphone (IS 18340:2023) are required per India's Quality Control Orders (QCOs) for dye intermediate chemicals.
Applicable Indian Standards for ISI Mark for H Acid, K Acid & Vinyl Sulphone
| IS number | Product | Testing cost |
|---|---|---|
| IS 8637 : 2020 | H Acid | — |
| IS 11557: 1986 | K Acid | ₹12,0001 lab |
| IS 18340 : 2023 | Vinyl Sulphone | ₹19,0001 lab |
Minimum marking fee by firm size
You pay BIS a minimum marking fee every year. Micro, small and medium firms (with Udyam registration) pay less. BIS also works out a fee from the unit rate and your production. You pay whichever amount is higher.
| IS number | Large | Medium | Small | Micro | Unit rate |
|---|---|---|---|---|---|
| IS 8637 : 2020 | ₹1,06,000 | ₹85,000 | ₹53,000 | ₹21,200 | ₹42.50 per tonne |
| IS 11557: 1986 | ₹90,000 | ₹72,000 | ₹45,000 | ₹18,000 | ₹132.40 per tonne |
| IS 18340 : 2023 | ₹98,000 | ₹79,000 | ₹49,000 | ₹19,600 | ₹25.10 per tonne |
- Other BIS charges
- ₹9,000 for every ISI mark product: application charge ₹1,000 · licence fee ₹1,000 · audit charges ₹7,000
- Foreign manufacturers
- Get a detailed quote
- Our consulting fee
- Best-value quote – let’s talk
All prices are a guide only and do not include GST. Rules and dates can change, so check the latest notice before you apply. Ask us for an up-to-date quote.
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