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HSN Code 2811 refers to "Inorganic acids and inorganic oxygen compounds of non-metals (excluding hydrogen chloride "hydrochloric acid", chlorosulphuric acid, sulphuric acid, oleum, nitric acid, sulphonitric acids, diphosphorus pentaoxide, phosphoric acid, polyphosphoric acids, oxides of boron and boric acids)". This code is used to classify goods for import/export purposes based on their nature, composition, and intended use.

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HSN Code
2811

Inorganic acids and inorganic oxygen compounds of non-metals (excluding hydrogen chloride "hydrochloric acid", chlorosulphuric acid, sulphuric acid, oleum, nitric acid, sulphonitric acids, diphosphorus pentaoxide, phosphoric acid, polyphosphoric acids, oxides of boron and boric acids)

HSN CodeDescriptionGST%
281111Hydrogen fluoride "hydrofluoric acid" 0%
281112Hydrogen cyanide "hydrocyanic acid" 0%
281119Inorganic acids (excluding hydrogen chloride "hydrochloric acid", chlorosulphuric acid, sulphuric acid, oleum, nitric acid, sulphonitric acids, phosphoric acid, polyphosphoric acids, boric acids and hydrogen fluoride "hydrofluoric acid") ,Products include: Sulfamic Acid0%
281121Carbon dioxide 0%
281122Silicon dioxide ,Products include: Silica Fume0%
281123Sulphur dioxide 0%
281129Inorganic oxygen compounds of non-metals (excluding diphosphorus pentaoxide, oxides of boron, carbon dioxide and silicon dioxide) 0%
28111100HYDROGEN FLUORIDE(HYDROFLUORIC ACID) 0%
28111910*HYDROCYANIC ACID (HYDROGEN CYANIDE, PRUSSIC ACID 0%
28111920HYPOPHPSPHOROUS ACID (PHOSPHINIC ACID) 0%
28111930ACIDS OF ARSENIC 0%
28111940SULPHONIC ACID ,Products include: Sulfamic Acid0%
28111990OTHER INORGANIC ACIDS ,Products include: Hydrobromic Acid0%
28112110DRY ICE ,Products include: Dry Ice0%
28112190CARBON DIOXIDE IN OTHER FORM ,Products include: Co20%
28112200SILICON DIOXIDE Products Include: Silica Gel, Microsilica, Silica Fume0%
28112300*SULPHUR DIOXIDE 0%
28112910ARSENIC PENTOXIDE 0%
28112920ARSENIC TRIOXIDE 0%
28112930NITROUS OXIDE 0%
28112940CARBON MONOXIDE 0%
28112950SULPHUR TRIOXIDE (SULPHURIC ANHYDRIDE) 0%
28112990OTHER INORGNC OXGN COMPNDS OF NON-MTLS, NES 0%