Lekhae

HSN 3825: Residual products of the chemical or allied industries

HSN code 3825 covers: Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other residual products..

It is taxed at 18% GST (per CBIC Notification 9/2025-Central Tax (Rate), effective 22 Sep 2025) — put 3825 in the HSN/SAC column and 18 in the GST % column when you bill it.

Rates reflect the 22 Sep 2025 GST 2.0 reform (mainly 5% and 18%, with 3% for precious metals and 28%/40% for select sin and luxury goods). This is a reference drawn from the CBIC rate schedule, not tax advice — confirm the exact rate for your specific item with your CA.

What's inside 3825

This heading has 9 subheadings, including: Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste, Residual products of the chemical or allied industries, not elsewhere specified or included; sewage sludge, Residual products of the chemical or allied industries, not elsewhere specified or included; clinical waste, Residual products of the chemical or allied industries, not elsewhere specified or included; halogenated waste organic solvents, Residual products of the chemical or allied industries, not elsewhere specified or included; waste organic solvents, other than halogenated, Residual products of chemical or allied industries, not elsewhere specified or included; wastes of metal pickling liquors, hydraulic fluids, brake fluids and anti-freeze fluids, Residual products of the chemical or allied industries, not elsewhere specified or included; (other than sewage sludge, municipal waste or waste covered in 27.10); other wastes n.e.c. in 3825; those mainly containing organic constituents, Residual products of the chemical or allied industries, not elsewhere specified or included; (other than sewage sludge, municipal waste or waste covered by 27.10); other wastes n.e.c. in 3825; except those mainly containing organic constituents…. Use the HSN/SAC finder to pin down the exact code.

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