Pool/spa pH adjustment chemical manufacturers and household cleaning product formulators are the main buyers of sodium bisulfate.
HSN code 28331910 is classified as Free under India's DGFT ITC(HS) export policy — no export license is required.
This product may be freely exported/imported from India without a license.
HSN Code Details
HSN 28331910 covers sodium hydrogen sulphate (sodium bisulfate, acid salt), used as a pH-down agent, descaling compound, and toilet bowl cleaner ingredient.
Mildly corrosive/acidic solid, ships in sealed moisture-resistant bags; no major hazmat restriction but proper labeling as an acidic solid is expected for downstream handling.
Related HSN Codes (Heading 2833)
Frequently Asked Questions
No. HSN 28331910 is classified as Free under DGFT ITC(HS) policy, so it can be exported from India without an export license or permit.
Sodium bisulfate (28331910) is mildly corrosive/acidic - ships in sealed bags with acid-solid labeling, commonly used in pool pH-down products and cleaners.
HSN 28331910 falls under Chapter 28 and Heading 2833 of India's customs tariff schedule.
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