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HSN 2920: Esters of other inorganic acids of non-metals

HSN code 2920 covers: Esters of other inorganic acids of non-metals (other than of hydrogen halides) and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives.

This code is not separately listed in the rate schedule, so the standard 18% GST applies unless the item is specifically exempt (nil-rated). Confirm against the CBIC rate finder or your CA before billing.

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 2920

This heading has 9 subheadings, including: Esters; thiophosphoric esters (phosphorothioates) and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives, parathion (ISO) and parathion-methyl (ISO) (methyl-parathion), Esters; thiophosphoric esters (phosphorothioates) and their salts; other than parathion (ISO) and parathion-methyl (ISO) (methyl-parathion), Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, dimethyl phosphite, Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, diethyl phosphite, Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, trimethyl phosphite, Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, triethyl phosphite, Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, n.e.c. in heading no. 2920, Esters; of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, endosulfan (ISO)…. Use the HSN/SAC finder to pin down the exact code.

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