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HSN Codes chevron_right Section 06 chevron_right Chapter 28 chevron_right Sub Chapter 2831

Taxonomy

• Section 06 – Products Of The Chemical Or Allied Industries • Chapter 28 – Inorganic chemicals, organic or inorganic compounds of precious metals,of rare-earth metals, of radioactive elements or of isotopes • Sub Chapter 2831 – Dithionites and sulphoxylates • New GST Rate for HSN Code 2831 • Tariff HSN Codes under Sub Chapter 2831 • FAQs for Sub Chapter 2831 • Important Disclaimer

Explore other subchapters under Chapter 28

• Sub Chapter 2801 – Fluorine, chlorine, bromine and iodine • Sub Chapter 2802 – Sulphur, sublimed or precipitated;colloidal sulphur • Sub Chapter 2803 – Carbon (carbon blacks and other forms of carbon not elsewhere specified or included) • Sub Chapter 2804 – Hydrogen, rare gases and other non-metals • Sub Chapter 2805 – Alkali or alkaline-earth metals;rare-earth metals,scandium and yttrium,whether or not intermixed or interalloyed; mercury • Sub Chapter 2806 – Hydrogen chloride (hydrochloric acid);chlorosulphuric acid • Sub Chapter 2807 – Sulphuric acid; oleum • Sub Chapter 2808 – Nitric acid; sulphonitric acids • Sub Chapter 2809 – Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined • Sub Chapter 2810 – Oxides of boron; boric acids • Sub Chapter 2811 – Other inorganic acids and other inorganic oxygen compounds of non-metals • Sub Chapter 2812 – Halides and halide oxides of non-metals • Sub Chapter 2813 – Sulphides of non-metals; commercial phosphorus trisulphide • Sub Chapter 2814 – Ammonia, anhydrous or in aqueous solution • Sub Chapter 2815 – Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium • Sub Chapter 2816 – Hydroxide and peroxide of magnesium;oxides, hydroxides and peroxides, of strontium or barium • Sub Chapter 2817 – Zinc oxide; zinc peroxide • Sub Chapter 2818 – Artificial corundum, whether or not chemically defined;aluminium oxide; aluminium hydroxide • Sub Chapter 2819 – Chromium oxides and hydroxides • Sub Chapter 2820 – Manganese oxides • Sub Chapter 2821 – Iron oxides and hydroxides; earth colours containing 70% or more by weight of combined iron evaluated as fe2o3 • Sub Chapter 2822 – Cobalt oxides and hydroxides;commercial cobalt oxides • Sub Chapter 2823 – Titanium oxides • Sub Chapter 2824 – Lead oxides; red lead and orange lead • Sub Chapter 2825 – Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides,hydroxides and peroxides • Sub Chapter 2826 – Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts • Sub Chapter 2827 – Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides • Sub Chapter 2828 – Hypochlorites; commercial calcium hypochlorites; chlorites; hypobromites • Sub Chapter 2829 – Chlorates and perchlorates; bromates and perbromates; iodates and periodates • Sub Chapter 2830 – Sulphides; polysulphides, whether or not chemically defined • Sub Chapter 2832 – Sulphites; thiosulphates • Sub Chapter 2833 – Sulphates; alums; peroxosulphates (persulphates) • Sub Chapter 2834 – Nitrites; nitrates • Sub Chapter 2835 – Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates,whether or not chemically defined • Sub Chapter 2836 – Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate • Sub Chapter 2837 – Cyanides, cyanide oxides and complex cyanides • Sub Chapter 2839 – Silicates; commercial alkali metal silicates • Sub Chapter 2840 – Borates; peroxoborates (perborates) • Sub Chapter 2841 – Salts of oxometallic or peroxometallic acids • Sub Chapter 2842 – Other salts of inorganic acids or peroxoacids, (including aluminosilicates, whether or not chemically defined), other than azides • Sub Chapter 2843 – Colloidal precious metals; inorganic or organic compounds of precious metals,whether or not chemically defined; amalgams of precious metals • Sub Chapter 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 • Sub Chapter 2845 – Isotopes other than those of heading 2844;compounds, inorganic or organic, of such isotopes, whether or not chemically defined • Sub Chapter 2846 – Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals • Sub Chapter 2847 – Hydrogen peroxide, whether or not solidified with urea • Sub Chapter 2849 – Carbides, whether or not chemically defined • Sub Chapter 2850 – Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined,other than compounds which are also carbides of heading 2849 • Sub Chapter 2852 – Inorganic or organic compounds of mercury,whether or not chemically defined, excluding amalgams • Sub Chapter 2853 – 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

2831 HSN Code: Dithionites & sulphoxylates

HSN Sub Chapter 2831 represents Dithionites & sulphoxylates under GST classification. This code helps businesses identify Dithionites & sulphoxylates correctly for billing, taxation, and trade. With HSN Sub Chapter 2831, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Dithionites & sulphoxylates.

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New GST Rate for HSN Code 2831

GST Rate for Dithionites & sulphoxylates under HSN Code 2831. Understand Current Tax Rates, Exemptions, and Legal Classifications to Ensure Accurate Billing and GST Filing.

Chapter No HSN Code HSN Description New GST Rate Old GST Rate
28 2831 Dithionites and sulphoxylates 18% 18%
HSN Code 2831

Chapter: 28

Description: Dithionites and sulphoxylates

New GST Rate: 18% Old GST Rate: 18%

Tariff HSN Codes under HSN Sub Chapter 2831

Following Tariff HSN code falls under Dithionites & sulphoxylates:

Tariff HSN Description
28311010
SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Of sodium : Sodium dithionites (sodium hydrosulphite)
28311020
SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Of sodium : Sodium sulphoxylates (including sodium formaldehyde sulphoxylate)
28319010
SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other : Dithionites
28319020
SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other : Sulphoxylates
HSN Code 28311010

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Of sodium : Sodium dithionites (sodium hydrosulphite)

HSN Code 28311020

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Of sodium : Sodium sulphoxylates (including sodium formaldehyde sulphoxylate)

HSN Code 28319010

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other : Dithionites

HSN Code 28319020

SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS : Other : Sulphoxylates

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FAQs for Sub Chapter 2831

What products are classified under HSN 2831

It includes Dithionites & sulphoxylates

How are warranty replacements of Dithionites & sulphoxylates handled?

If replacement is without consideration under a pre‑agreed warranty, issue a delivery challan and reference the original invoice/contract. If consideration is charged, raise a tax invoice. Keep serial/lot details for traceability.

Can reverse charge ever apply to transactions involving Dithionites & sulphoxylates?

Reverse charge in goods is notified only for specific categories. Most regular B2B sales of Dithionites & sulphoxylates are forward charge. Check the current notifications for any special cases before deciding.

Does MRP, weight or pack size change GST treatment for Dithionites & sulphoxylates?

Some entries use MRP/weight‑based conditions for classification. Keep pack size, retail marking and brand status on records and invoice to support the chosen HSN.

What are the e‑way bill and e‑invoice points while moving Dithionites & sulphoxylates?

Generate an e‑way bill when the consignment value exceeds ₹50,000, unless exempted for the transaction. E‑invoicing depends on turnover (AATO threshold as notified) for B2B supplies, not on the item itself.

Is the composition scheme suitable if I mainly trade Dithionites & sulphoxylates?

The composition scheme is optional for eligible small suppliers of goods. You cannot issue tax invoices or collect tax under composition. Check turnover limits and exclusions; evaluate margins and ITC loss before opting in.

How should I document Dithionites & sulphoxylates sent for job work?

Use a delivery challan for sending Dithionites & sulphoxylates to the job worker. Declare movement in your records and reconcile when the goods return. If the job worker raises a service invoice, classify it under SAC; your goods remain under the original HSN.

Important Disclaimer

The above does not constitute professional advice or a formal recommendation. We recommend consulting a professional tax consultant before acting on the information contained in this piece of content.

Explore More HSN Codes from Chapter 28 expand_more
Sub Chapters:
HSN Code 2801 | HSN Code 2802 | HSN Code 2803 | HSN Code 2804 | HSN Code 2805 | HSN Code 2806 | HSN Code 2807 | HSN Code 2808 | HSN Code 2809 | HSN Code 2810 | HSN Code 2811 | HSN Code 2812 | HSN Code 2813 | HSN Code 2814 | HSN Code 2815 | HSN Code 2816 | HSN Code 2817 | HSN Code 2818 | HSN Code 2819 | HSN Code 2820 | HSN Code 2821 | HSN Code 2822 | HSN Code 2823 | HSN Code 2824 | HSN Code 2825 | HSN Code 2826 | HSN Code 2827 | HSN Code 2828 | HSN Code 2829 | HSN Code 2830 | HSN Code 2831 | HSN Code 2832 | HSN Code 2833 | HSN Code 2834 | HSN Code 2835 | HSN Code 2836 | HSN Code 2837 | HSN Code 2839 | HSN Code 2840 | HSN Code 2841 | HSN Code 2842 | HSN Code 2843 | HSN Code 2844 | HSN Code 2845 | HSN Code 2846 | HSN Code 2847 | HSN Code 2849 | HSN Code 2850 | HSN Code 2852 | HSN Code 2853
HSN Codes:
HSN Code 28011000 | HSN Code 28012000 | HSN Code 28013010 | HSN Code 28013020 | HSN Code 28020010 | HSN Code 28020020 | HSN Code 28020030 | HSN Code 28030010 | HSN Code 28030020 | HSN Code 28030090 | HSN Code 28041000 | HSN Code 28042100 | HSN Code 28042910 | HSN Code 28042990 | HSN Code 28043000 | HSN Code 28044010 | HSN Code 28044090 | HSN Code 28045010 | HSN Code 28045020 | HSN Code 28046100 | HSN Code 28046900 | HSN Code 28047010 | HSN Code 28047020 | HSN Code 28047030 | HSN Code 28048000 | HSN Code 28049000 | HSN Code 28051100 | HSN Code 28051200 | HSN Code 28051900 | HSN Code 28053000 | HSN Code 28054000 | HSN Code 28061000 | HSN Code 28062000 | HSN Code 28070010 | HSN Code 28070020 | HSN Code 28080010 | HSN Code 28080020 | HSN Code 28091000 | HSN Code 28092010 | HSN Code 28092020 | HSN Code 28100010 | HSN Code 28100020 | HSN Code 28111100 | HSN Code 28111200 | HSN Code 28111910 | HSN Code 28111920 | HSN Code 28111930 | HSN Code 28111940 | HSN Code 28111990 | HSN Code 28112110 | HSN Code 28112190 | HSN Code 28112200 | HSN Code 28112300 | HSN Code 28112910 | HSN Code 28112920 | HSN Code 28112930 | HSN Code 28112940 | HSN Code 28112950 | HSN Code 28112990 | HSN Code 28121010 | HSN Code 28121020 | HSN Code 28121021 | HSN Code 28121022 | HSN Code 28121030 | HSN Code 28121040 | HSN Code 28121041 | HSN Code 28121042 | HSN Code 28121043 | HSN Code 28121047 | HSN Code 28121050 | HSN Code 28121060 | HSN Code 28121090 | HSN Code 28121100 | HSN Code 28121200 | HSN Code 28121300 | HSN Code 28121400 | HSN Code 28121500 | HSN Code 28121600 | HSN Code 28121700 | HSN Code 28121910 | HSN Code 28121920 | HSN Code 28121930 | HSN Code 28121990 | HSN Code 28129000 | HSN Code 28131000 | HSN Code 28139010 | HSN Code 28139020 | HSN Code 28139090 | HSN Code 28141000 | HSN Code 28142000 | HSN Code 28151110 | HSN Code 28151190 | HSN Code 28151200 | HSN Code 28152000 | HSN Code 28153000 | HSN Code 28161010 | HSN Code 28161020 | HSN Code 28164000 | HSN Code 28170010 | HSN Code 28170020 | HSN Code 28181000 | HSN Code 28182010 | HSN Code 28182011 | HSN Code 28182019 | HSN Code 28182090 | HSN Code 28183000 | HSN Code 28191000 | HSN Code 28199000 | HSN Code 28201000 | HSN Code 28209000 | HSN Code 28211010 | HSN Code 28211020 | HSN Code 28212000 | HSN Code 28220010 | HSN Code 28220020 | HSN Code 28220030 | HSN Code 28230010 | HSN Code 28230090 | HSN Code 28241010 | HSN Code 28241020 | HSN Code 28242000 | HSN Code 28249000 | HSN Code 28251010 | HSN Code 28251020 | HSN Code 28251030 | HSN Code 28251040 | HSN Code 28251090 | HSN Code 28252000 | HSN Code 28253010 | HSN Code 28253090 | HSN Code 28254000 | HSN Code 28255000 | HSN Code 28256010 | HSN Code 28256020 | HSN Code 28257010 | HSN Code 28257020 | HSN Code 28257090 | HSN Code 28258000 | HSN Code 28259010 | HSN Code 28259020 | HSN Code 28259030 | HSN Code 28259040 | HSN Code 28259050 | HSN Code 28259090 | HSN Code 28261110 | HSN Code 28261120 | HSN Code 28261200 | HSN Code 28261910 | HSN Code 28261990 | HSN Code 28262010 | HSN Code 28262020 | HSN Code 28263000 | HSN Code 28269000 | HSN Code 28271000 | HSN Code 28272000 | HSN Code 28273100 | HSN Code 28273200 | HSN Code 28273300 | HSN Code 28273400 | HSN Code 28273500 | HSN Code 28273600 | HSN Code 28273910 | HSN Code 28273920 | HSN Code 28273930 | HSN Code 28273940 | HSN Code 28273990 | HSN Code 28274110 | HSN Code 28274190 | HSN Code 28274900 | HSN Code 28275110 | HSN Code 28275120 | HSN Code 28275910 | HSN Code 28275990 | HSN Code 28276010 | HSN Code 28276020 | HSN Code 28276090 | HSN Code 28281010 | HSN Code 28281090 | HSN Code 28289011 | HSN Code 28289019 | HSN Code 28289020 | HSN Code 28289030 | HSN Code 28289040 | HSN Code 28289050 | HSN Code 28289060 | HSN Code 28289090 | HSN Code 28291100 | HSN Code 28291910 | HSN Code 28291920 | HSN Code 28291930 | HSN Code 28291990 | HSN Code 28299010 | HSN Code 28299020 | HSN Code 28299030 | HSN Code 28301000 | HSN Code 28302000 | HSN Code 28303000 | HSN Code 28309010 | HSN Code 28309020 | HSN Code 28311010 | HSN Code 28311020 | HSN Code 28319010 | HSN Code 28319020 | HSN Code 28321010 | HSN Code 28321020 | HSN Code 28321090 | HSN Code 28322010 | HSN Code 28322020 | HSN Code 28322090 | HSN Code 28323010 | HSN Code 28323020 | HSN Code 28323090 | HSN Code 28331100 | HSN Code 28331910 | HSN Code 28331920 | HSN Code 28331990 | HSN Code 28332100 | HSN Code 28332210 | HSN Code 28332290 | HSN Code 28332300 | HSN Code 28332400 | HSN Code 28332500 | HSN Code 28332610 | HSN Code 28332690 | HSN Code 28332700 | HSN Code 28332910 | HSN Code 28332920 | HSN Code 28332930 | HSN Code 28332940 | HSN Code 28332950 | HSN Code 28332990 | HSN Code 28333010 | HSN Code 28333020 | HSN Code 28333030 | HSN Code 28333090 | HSN Code 28334000 | HSN Code 28341010 | HSN Code 28341090 | HSN Code 28342100 | HSN Code 28342910 | HSN Code 28342920 | HSN Code 28342930 | HSN Code 28342990 | HSN Code 28351010 | HSN Code 28351020 | HSN Code 28351090 | HSN Code 28352200 | HSN Code 28352300 | HSN Code 28352400 | HSN Code 28352500 | HSN Code 28352610 | HSN Code 28352620 | HSN Code 28352690 | HSN Code 28352910 | HSN Code 28352920 | HSN Code 28352930 | HSN Code 28352940 | HSN Code 28352990 | HSN Code 28353100 | HSN Code 28353900 | HSN Code 28361000 | HSN Code 28362010 | HSN Code 28362020 | HSN Code 28362090 | HSN Code 28363000 | HSN Code 28364000 | HSN Code 28365000 | HSN Code 28366000 | HSN Code 28367000 | HSN Code 28369100 | HSN Code 28369200 | HSN Code 28369910 | HSN Code 28369920 | HSN Code 28369930 | HSN Code 28369990 | HSN Code 28371100 | HSN Code 28371910 | HSN Code 28371920 | HSN Code 28371990 | HSN Code 28372010 | HSN Code 28372020 | HSN Code 28372030 | HSN Code 28372040 | HSN Code 28372050 | HSN Code 28372090 | HSN Code 28391100 | HSN Code 28391900 | HSN Code 28392000 | HSN Code 28399010 | HSN Code 28399090 | HSN Code 28401100 | HSN Code 28401900 | HSN Code 28402010 | HSN Code 28402090 | HSN Code 28403000 | HSN Code 28411010 | HSN Code 28411090 | HSN Code 28412010 | HSN Code 28412020 | HSN Code 28413000 | HSN Code 28415010 | HSN Code 28415090 | HSN Code 28416100 | HSN Code 28416900 | HSN Code 28417010 | HSN Code 28417020 | HSN Code 28417090 | HSN Code 28418010 | HSN Code 28418020 | HSN Code 28418090 | HSN Code 28419000 | HSN Code 28421000 | HSN Code 28429010 | HSN Code 28429020 | HSN Code 28429090 | HSN Code 28431010 | HSN Code 28431020 | HSN Code 28431090 | HSN Code 28432100 | HSN Code 28432900 | HSN Code 28433000 | HSN Code 28439011 | HSN Code 28439012 | HSN Code 28439019 | HSN Code 28439020 | HSN Code 28441000 | HSN Code 28442000 | HSN Code 28443010 | HSN Code 28443021 | HSN Code 28443022 | HSN Code 28443023 | HSN Code 28443029 | HSN Code 28443030 | HSN Code 28443090 | HSN Code 28444000 | HSN Code 28444100 | HSN Code 28444200 | HSN Code 28444300 | HSN Code 28444400 | HSN Code 28445000 | HSN Code 28451000 | HSN Code 28452000 | HSN Code 28453000 | HSN Code 28454000 | HSN Code 28459010 | HSN Code 28459090 | HSN Code 28461010 | HSN Code 28461090 | HSN Code 28469010 | HSN Code 28469020 | HSN Code 28469030 | HSN Code 28469090 | HSN Code 28470000 | HSN Code 28491000 | HSN Code 28492010 | HSN Code 28492090 | HSN Code 28499010 | HSN Code 28499020 | HSN Code 28499090 | HSN Code 28500010 | HSN Code 28500020 | HSN Code 28500030 | HSN Code 28500041 | HSN Code 28500049 | HSN Code 28500050 | HSN Code 28521000 | HSN Code 28529000 | HSN Code 28530010 | HSN Code 28530020 | HSN Code 28530030 | HSN Code 28530040 | HSN Code 28530091 | HSN Code 28530099 | HSN Code 28531000 | HSN Code 28539010 | HSN Code 28539020 | HSN Code 28539030 | HSN Code 28539040 | HSN Code 28539090
State Code List:

Explore other subchapters under Chapter 28

• Sub Chapter 2801 – Fluorine, chlorine, bromine and iodine • Sub Chapter 2802 – Sulphur, sublimed or precipitated;colloidal sulphur • Sub Chapter 2803 – Carbon (carbon blacks and other forms of carbon not elsewhere specified or included) • Sub Chapter 2804 – Hydrogen, rare gases and other non-metals • Sub Chapter 2805 – Alkali or alkaline-earth metals;rare-earth metals,scandium and yttrium,whether or not intermixed or interalloyed; mercury • Sub Chapter 2806 – Hydrogen chloride (hydrochloric acid);chlorosulphuric acid • Sub Chapter 2807 – Sulphuric acid; oleum • Sub Chapter 2808 – Nitric acid; sulphonitric acids • Sub Chapter 2809 – Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined • Sub Chapter 2810 – Oxides of boron; boric acids • Sub Chapter 2811 – Other inorganic acids and other inorganic oxygen compounds of non-metals • Sub Chapter 2812 – Halides and halide oxides of non-metals • Sub Chapter 2813 – Sulphides of non-metals; commercial phosphorus trisulphide • Sub Chapter 2814 – Ammonia, anhydrous or in aqueous solution • Sub Chapter 2815 – Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium • Sub Chapter 2816 – Hydroxide and peroxide of magnesium;oxides, hydroxides and peroxides, of strontium or barium • Sub Chapter 2817 – Zinc oxide; zinc peroxide • Sub Chapter 2818 – Artificial corundum, whether or not chemically defined;aluminium oxide; aluminium hydroxide • Sub Chapter 2819 – Chromium oxides and hydroxides • Sub Chapter 2820 – Manganese oxides • Sub Chapter 2821 – Iron oxides and hydroxides; earth colours containing 70% or more by weight of combined iron evaluated as fe2o3 • Sub Chapter 2822 – Cobalt oxides and hydroxides;commercial cobalt oxides • Sub Chapter 2823 – Titanium oxides • Sub Chapter 2824 – Lead oxides; red lead and orange lead • Sub Chapter 2825 – Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides,hydroxides and peroxides • Sub Chapter 2826 – Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts • Sub Chapter 2827 – Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides • Sub Chapter 2828 – Hypochlorites; commercial calcium hypochlorites; chlorites; hypobromites • Sub Chapter 2829 – Chlorates and perchlorates; bromates and perbromates; iodates and periodates • Sub Chapter 2830 – Sulphides; polysulphides, whether or not chemically defined • Sub Chapter 2832 – Sulphites; thiosulphates • Sub Chapter 2833 – Sulphates; alums; peroxosulphates (persulphates) • Sub Chapter 2834 – Nitrites; nitrates • Sub Chapter 2835 – Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates,whether or not chemically defined • Sub Chapter 2836 – Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate • Sub Chapter 2837 – Cyanides, cyanide oxides and complex cyanides • Sub Chapter 2839 – Silicates; commercial alkali metal silicates • Sub Chapter 2840 – Borates; peroxoborates (perborates) • Sub Chapter 2841 – Salts of oxometallic or peroxometallic acids • Sub Chapter 2842 – Other salts of inorganic acids or peroxoacids, (including aluminosilicates, whether or not chemically defined), other than azides • Sub Chapter 2843 – Colloidal precious metals; inorganic or organic compounds of precious metals,whether or not chemically defined; amalgams of precious metals • Sub Chapter 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 • Sub Chapter 2845 – Isotopes other than those of heading 2844;compounds, inorganic or organic, of such isotopes, whether or not chemically defined • Sub Chapter 2846 – Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals • Sub Chapter 2847 – Hydrogen peroxide, whether or not solidified with urea • Sub Chapter 2849 – Carbides, whether or not chemically defined • Sub Chapter 2850 – Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined,other than compounds which are also carbides of heading 2849 • Sub Chapter 2852 – Inorganic or organic compounds of mercury,whether or not chemically defined, excluding amalgams • Sub Chapter 2853 – 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