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Free Tools/HSN Code Finder/Chapter 28/HSN 2835
HSN 28354-Digit Heading

HSN 2835: Phosphinates – GST Rate

HSN 2835 covers phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined. GST on HSN 2835 is 0% (Nil / exempt) (rates effective 22 September 2025). This heading has 17 tariff items, for example 2835 10 10, 2835 10 20 and 2835 10 90.

Chapter 28: Inorganic chemicals, organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

GST rates as per CBIC Notifications 09/2025 and 10/2025 (Central Tax - Rate), effective 22 September 2025. Last updated: October 2026. Always verify on the official GST portal before filing.

GST Rates for Heading 2835

0% (Nil / exempt)CGST Nil + SGST Nil / IGST Nil

Dicalcium phosphate (DCP) of animal feed grade conforming to IS specification No.5470 : 2002

Reference: Schedule EXEMPT, S. No. 112 (Spec: 2835)
Other entries in this chapter (3)

These apply only if your goods match the description.

5%CGST 2.5% + SGST 2.5% / IGST 5%

Thorium oxalate, Enriched KBF4 (enriched potassium fluroborate), Enriched elemental boron, Nuclear fuel

Reference: Schedule I, S. No. 210 (Spec: 28)
5%CGST 2.5% + SGST 2.5% / IGST 5%

Anaesthetics, Potassium Iodate, Iodine, Steam

Reference: Schedule I, S. No. 211 (Spec: 28)
18%CGST 9% + SGST 9% / IGST 18%

All inorganic chemicals [other than those specified in notification No.10/2025- Central Tax (Rate) dated 17th September 2025 or other Schedules of this notification]

Reference: Schedule II, S. No. 35 (Spec: 28)

Sub-Headings & Tariff Items Under 2835

Showing 25 sub-classification codes with complete hierarchy descriptions.

2835106-Digit Sub-heading

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Phosphinates (Hypophosphites) And Phosphonates (Phosphites) :

283510108-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Phosphinates (Hypophosphites) And Phosphonates (Phosphites) : > Calcium Hypophosphite

283510208-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Phosphinates (Hypophosphites) And Phosphonates (Phosphites) : > Magnesium Hypophosphite

283510908-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Phosphinates (Hypophosphites) And Phosphonates (Phosphites) : > Other

2835226-Digit Sub-heading

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Of Mono-Or Disodium

283522008-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Of Mono-Or Disodium > Of Mono-Or Disodium

283523008-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates; Polyphosphates, Whether Or Not Chemically Defined - Phosphates : Of Trisodium

2835246-Digit Sub-heading

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Of Potassium

283524008-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Of Potassium > Of Potassium

2835256-Digit Sub-heading

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Calcium Hydrogenorthophosphate (Dicalcium Phosphate)

283525008-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Calcium Hydrogenorthophosphate (Dicalcium Phosphate) > Calcium Hydrogenorthophosphate (Dicalcium Phosphate)

2835266-Digit Sub-heading

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Other Phosphates Of Calcium :

283526108-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Other Phosphates Of Calcium : > Calcium Monobasic Phosphate

283526208-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Other Phosphates Of Calcium : > Calcium Tribasic Phosphate

283526908-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Other Phosphates Of Calcium : > Other

2835296-Digit Sub-heading

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Other :

283529108-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Other : > Magnesium Phosphate, Monobasic

283529208-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Other : > Magnesium Phosphate, Dibasic

283529308-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Other : > Magnesium Phosphate, Tribasic

283529408-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Other : > Sodium Hexametaphosphate

283529908-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Other : > Other

2835316-Digit Sub-heading

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Sodium Triphosphate (Sodium Tripoly-Phosphate)

283531008-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Sodium Triphosphate (Sodium Tripoly-Phosphate) > Sodium Triphosphate (Sodium Tripoly-Phosphate)

2835396-Digit Sub-heading

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Other

283539008-Digit Tariff Item

Chain: Inorganic Chemicals, Organic Or Inorganic Compounds Of Precious Metals, Of Rare-Earth Metals, Of Radioactive Elements Or Of Isotopes > Phosphinates (Hypophosphites), Phosphonates (Phosphites) And Phosphates, Polyphosphates Whether Or Not Chemically Defined > Other > Other

Other Headings in Chapter 28

HSN 2801
Fluorine, Chlorine, Bromine And Iodine
HSN 2802
Sulphur, Sublimed Or Precipitated; Colloidal Sulphur
HSN 2803
Carbon (Carbon Blacks And Other Forms Of Carbon Not Elsewhere Specified Or Included)
HSN 2804
Hydrogen, Rare Gases And Other Non-Metals
HSN 2805
Alkali Or Alkaline-Earth Metals, Rare-Earth Metals,Scandium And Yttrium, Whether Or Not Intermixed Or Interalloyed, Mercury
HSN 2806
Hhydrogen Chloride (Hydrochloric Acid), Chlorosulphuric Acid
HSN 2807
Sulphuric Acid; Oleum
HSN 2808
Nitric Acid; Sulphonitric Acids
HSN 2809
Diphosphorus Pentaoxide; Phosphoric Acid; Polyphosphoric Acids, Whether Or Not Chemically Defined
HSN 2810
Oxides Of Boron, Boric Acids
HSN 2811
Other Inorganic Acids And Other Inorganic Oxygen Compounds Of Non-Metals
HSN 2812
Halides And Halide Oxides Of Non-Metals
HSN 2813
Sulphides Of Non-Metals; Commercial Phosphorus Trisulphide
HSN 2814
Ammonia, Anhydrous Or In Aqueous Solution
HSN 2815
Sodium Hydroxide (Caustic Soda), Potassium Hydroxide (Caustic Potash), Peroxides Of Sodium Or Potassium
HSN 2816
Hydroxide And Peroxide Of Magnesium; Oxides, Hydroxides And Peroxides, Of Strontium Or Barium
HSN 2817
Zinc Oxide; Zinc Peroxide
HSN 2818
Artificial Corundum, Whether Or Not Chemically Defined; Aluminium Oxide; Aluminium Hydroxide
HSN 2819
Chromium Oxides And Hydroxides
HSN 2820
Manganese Oxides
HSN 2821
IRON OXIDES AND HYDROXIDES; EARTH COLOURS CONTAINING 70% OR MORE BY WEIGHT OF COMBINED IRON EVALUATED AS Fe2O3
HSN 2822
Cobalt Oxides And Hydroxides; Commercial Cobalt Oxides
HSN 2823
Titanium Oxides
HSN 2824
Lead Oxides; Red Lead And Orange Lead
HSN 2825
Hydrazine And Hydroxylamine And Their Inorganic Salts; Other Inorganic Bases; Other Metal Oxides, Hydroxides And Peroxides
HSN 2826
Fluorides, Fluorosilicates, Fluoroaluminates And Other Complex Fluorine Salts
HSN 2827
Chlorides, Chloride Oxides And Chloride Hydroxides, Bromides And Bromide Oxides, Iodides And Iodide Oxides
HSN 2828
Hypochlorites ; Commercial Calcium Hypochlorites; Chlorites; Hypobromites
HSN 2829
Chlorates And Perchlorates, Bromates And Perbromates, Iodates And Periodates
HSN 2830
Sulphides; Polysulphides, Whether Or Not Chemically Defined
HSN 2831
Dithionites And Sulphoxylates
HSN 2832
Sulphites; Thiosulphates
HSN 2833
Sulphates; Alums; Peroxosulphates (Persulphates)
HSN 2834
Nitrites; Nitrates
HSN 2836
Carbonates; Peroxocarbonates (Percarbonates); Commercial Ammonium Carbonate Containing Ammonium Carbamate
HSN 2837
Cyanides, Cyanide Oxides And Complex Cyanides
HSN 2838
Fulminates, Cyanates And Thiocyanates - Fulminates, Cyanates And Thiocyanates : Fulminates
HSN 2839
Silicates, Commercial Alkali Metal Silicates
HSN 2840
Borates, Peroxoborates (Perborates)
HSN 2841
Salts Of Oxometallic Or Peroxometallic Acids
HSN 2842
Other Salts Of Inorganic Acids Or Peroxoacids, (Including Aluminosilicates, Whether Or Not Chemically Defined), Other Than Azides
HSN 2843
Colloidal Precious Metals; Inorganic Or Organic Compounds Of Precious Metals, Whether Or Not Chemically Defined; Amalgams Of Precious Metals
HSN 2844
Radioactive Chemical Elements And Radioactive Isotopes (Including The Fissile Or Fertile Chemical Elements And Isotopes) And Their Compounds; Mixtures And Residues Containing These Products
HSN 2845
Isotopes Other Than Those Of Heading 2844; Compounds, Inorganic Or Organic, Of Such Isotopes, Whether Or Not Chemically Defined
HSN 2846
Compounds, Inorganic Or Organic, Of Rare-Earth Metals, Of Yttrium Or Of Scandium Or Of Mixtures Of These Metals
HSN 2847
Hydrogen Peroxide, Whether Or Not Solidified With Urea
HSN 2848
Phosphides, Whether Or Not Chemically Defined, Excluding Ferrophosphorus
HSN 2849
Carbides, Whether Or Not Chemically Defined
HSN 2850
Hydrides, Nitrides, Azides, Silicides And Borides, Whether Or Not Chemically Defined, Other Than Compounds Which Are Also Carbides Of Heading 2849
HSN 2851
-
HSN 2852
Inorganic Or Organic Compounds Of Mercury, Whether Or Not Chemically Defined, Excluding Amalgams
HSN 2853
Phosphides, Whether Or Not Chemically Defined,Excluding Ferrophosphorus, Other Inorganic Compounds (Including Distilled Or Conductivity Water And Water Of Similar Purity), Liquid Air (Whether Or Not Rare Gases Have Been Removed), Compressed Air, Amalgams, Other Than Amalgams Of Precious Metals
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