Inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810

HS v2022 Code: 2811

Chapter	Heading	Sub-heading
28	11	n/a

Code	2811
Version	HS v2022
Hierarchy Level	4
Datasource	WCO
Chapter	28

Ancestor Codes: Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes

This Code: Inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810

Child Codes: Silicon dioxide; Inorganic oxygen compounds; of non-metals, n.e.c. in item no. 2811.2; Inorganic acids; other than hydrogen fluoride; Hydrogen fluoride (hydrofluoric acid); Carbon dioxide; Hydrogen cyanide (hydrocyanic acid)

Sibling Codes (Nearest 5): Nitric acid; sulphonitric acids; Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined; Oxides of boron; boric acids; Halides and halide oxides of non-metals; Sulphides of non-metals; commercial phosphorus trisulphide

About inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810

HS code 2811 covers a diverse range of inorganic acids and other inorganic oxygen compounds of non-metals. These substances play a crucial role in various industries, from chemical manufacturing to water treatment. They are essential for the production of a wide array of products, making this code an integral part of the broader chemical industry and the global economy.

Production process

The production of the substances under HS code 2811 typically involves a range of chemical processes, such as oxidation, reduction, and acid-base reactions. These processes are carried out in specialized facilities using advanced equipment and strict safety protocols to ensure the safe and efficient production of these often hazardous materials.

Production inputs

The main inputs required for the production of the substances under HS code 2811 include various non-metallic elements, such as carbon, hydrogen, nitrogen, and sulfur, as well as specialized equipment like reactors, distillation columns, and filtration systems. Additionally, the industry relies on a skilled workforce with expertise in chemical engineering, process control, and quality assurance.

Production outputs

The substances produced under HS code 2811 are used as key inputs in a wide range of industries, including 2806 (Hydrogen chloride (hydrochloric acid); chlorosulphuric acid), 2807 Sulphuric acid; oleum, 2808 Nitric acid; sulphonitric acids, and 2809 Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids. These inorganic acids and compounds are essential for the production of a diverse array of products, from pharmaceuticals and fertilizers to cleaning agents and water treatment chemicals.

Family tree for inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810

    graph LR
    A["<a href='/classifications/hs/v2022/28'>28: Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes</a>"]
A --> B["<a href='/classifications/hs/v2022/2811'>2811: Inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810</a>"]

    A --> C["<a href='/classifications/hs/v2022/2801'>2801: Fluorine, chlorine, bromine and iodine</a>"]
A --> D["<a href='/classifications/hs/v2022/2802'>2802: Sulphur; sublimed or precipitated, colloidal sulphur</a>"]
A --> E["<a href='/classifications/hs/v2022/2803'>2803: Carbon; carbon blacks and other forms of carbon n.e.c.</a>"]
A --> F["<a href='/classifications/hs/v2022/2804'>2804: Hydrogen, rare gases and other non-metals</a>"]
A --> G["<a href='/classifications/hs/v2022/2805'>2805: Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury</a>"]
A --> H["<a href='/classifications/hs/v2022/2806'>2806: Hydrogen chloride (hydrochloric acid); chlorosulphuric acid</a>"]
A --> I["<a href='/classifications/hs/v2022/2807'>2807: Sulphuric acid; oleum</a>"]
A --> J["<a href='/classifications/hs/v2022/2808'>2808: Nitric acid; sulphonitric acids</a>"]
A --> K["<a href='/classifications/hs/v2022/2809'>2809: Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined</a>"]
A --> L["<a href='/classifications/hs/v2022/2810'>2810: Oxides of boron; boric acids</a>"]
A --> M["<a href='/classifications/hs/v2022/2812'>2812: Halides and halide oxides of non-metals</a>"]
A --> N["<a href='/classifications/hs/v2022/2813'>2813: Sulphides of non-metals; commercial phosphorus trisulphide</a>"]
A --> O["<a href='/classifications/hs/v2022/2814'>2814: Ammonia; anhydrous or in aqueous solution</a>"]
A --> P["<a href='/classifications/hs/v2022/2815'>2815: Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash) peroxides of sodium or potassium</a>"]
A --> Q["<a href='/classifications/hs/v2022/2816'>2816: Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides of strontium or barium</a>"]
A --> R["<a href='/classifications/hs/v2022/2817'>2817: Zinc; oxide and peroxide</a>"]
A --> S["<a href='/classifications/hs/v2022/2818'>2818: Aluminium oxide (including artificial corundum); aluminium hydroxide</a>"]
A --> T["<a href='/classifications/hs/v2022/2819'>2819: Chromium oxides and hydroxides</a>"]
A --> U["<a href='/classifications/hs/v2022/2820'>2820: Manganese oxides</a>"]
A --> V["<a href='/classifications/hs/v2022/2821'>2821: Iron oxides and hydroxides; earth colours containing 70% or more by weight of combined iron evaluated as Fe2o3</a>"]
A --> W["<a href='/classifications/hs/v2022/2822'>2822: Cobalt oxides and hydroxides; commercial cobalt oxides</a>"]
A --> X["<a href='/classifications/hs/v2022/2823'>2823: Titanium oxides</a>"]
A --> Y["<a href='/classifications/hs/v2022/2824'>2824: Lead oxides; red lead and orange lead</a>"]
A --> Z["<a href='/classifications/hs/v2022/2825'>2825: Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides</a>"]
A --> BA["<a href='/classifications/hs/v2022/2826'>2826: Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts</a>"]
A --> BB["<a href='/classifications/hs/v2022/2827'>2827: Chlorides; chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides</a>"]
A --> BC["<a href='/classifications/hs/v2022/2828'>2828: Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites</a>"]
A --> BD["<a href='/classifications/hs/v2022/2829'>2829: Chlorates and perchlorates; bromates and perbromates; iodates and periodates</a>"]
A --> BE["<a href='/classifications/hs/v2022/2830'>2830: Sulphides; polysulphides whether or not chemically defined</a>"]
A --> BF["<a href='/classifications/hs/v2022/2831'>2831: Dithionites and sulphoxylates</a>"]
A --> BG["<a href='/classifications/hs/v2022/2832'>2832: Sulphites; thiosulphates</a>"]
A --> BH["<a href='/classifications/hs/v2022/2833'>2833: Sulphates; alums; peroxosulphates (persulphates)</a>"]
A --> BI["<a href='/classifications/hs/v2022/2834'>2834: Nitrites; nitrates</a>"]
A --> BJ["<a href='/classifications/hs/v2022/2835'>2835: Phosphinates (hypophosphites), phosphonates (phosphites), and phosphates; and polyphosphates, whether or not chemically defined</a>"]
A --> BK["<a href='/classifications/hs/v2022/2836'>2836: Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate</a>"]
A --> BL["<a href='/classifications/hs/v2022/2837'>2837: Cyanides, cyanide oxides and complex cyanides</a>"]
A --> BM["<a href='/classifications/hs/v2022/2839'>2839: Silicates; commercial alkali metal silicates</a>"]
A --> BN["<a href='/classifications/hs/v2022/2840'>2840: Borates; peroxoborates (perborates)</a>"]
A --> BO["<a href='/classifications/hs/v2022/2841'>2841: Salts of oxometallic or peroxometallic acids</a>"]
A --> BP["<a href='/classifications/hs/v2022/2842'>2842: Salts of inorganic acids or peroxoacids, n.e.c. including aluminosilicates whether or not chemically defined, but excluding azides</a>"]
A --> BQ["<a href='/classifications/hs/v2022/2843'>2843: Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals</a>"]
A --> BR["<a href='/classifications/hs/v2022/2844'>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</a>"]
A --> BS["<a href='/classifications/hs/v2022/2845'>2845: Isotopes other than those of heading no. 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined</a>"]
A --> BT["<a href='/classifications/hs/v2022/2846'>2846: Compounds, inorganic or organic, of rare-earth metals; of yttrium or of scandium or of mixtures of these metals</a>"]
A --> BU["<a href='/classifications/hs/v2022/2847'>2847: Hydrogen peroxide; whether or not solidified with urea</a>"]
A --> BV["<a href='/classifications/hs/v2022/2849'>2849: Carbides, whether or not chemically defined</a>"]
A --> BW["<a href='/classifications/hs/v2022/2850'>2850: Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading no. 2849</a>"]
A --> BX["<a href='/classifications/hs/v2022/2852'>2852: Inorganic or organic compounds of mercury, excluding amalgams, whether or not chemically defined</a>"]
A --> BY["<a href='/classifications/hs/v2022/2853'>2853: Phosphides, chemically defined or not, not ferrophosphorus; other inorganic compounds n.e.c. (including distilled, conductivity water and water of like purity); liquid air, rare gases removed or not; compressed air; amalgams, not precious metal amalgams</a>"]

    B --> BZ["<a href='/classifications/hs/v2022/281111'>281111: Hydrogen fluoride (hydrofluoric acid)</a>"]
B --> CA["<a href='/classifications/hs/v2022/281112'>281112: Hydrogen cyanide (hydrocyanic acid)</a>"]
B --> CB["<a href='/classifications/hs/v2022/281119'>281119: Inorganic acids; other than hydrogen fluoride</a>"]
B --> CC["<a href='/classifications/hs/v2022/281121'>281121: Carbon dioxide</a>"]
B --> CD["<a href='/classifications/hs/v2022/281122'>281122: Silicon dioxide</a>"]
B --> CE["<a href='/classifications/hs/v2022/281129'>281129: Inorganic oxygen compounds; of non-metals, n.e.c. in item no. 2811.2</a>"]


    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level4
class D level4
class E level4
class F level4
class G level4
class H level4
class I level4
class J level4
class K level4
class L level4
class M level4
class N level4
class O level4
class P level4
class Q level4
class R level4
class S level4
class T level4
class U level4
class V level4
class W level4
class X level4
class Y level4
class Z level4
class BA level4
class BB level4
class BC level4
class BD level4
class BE level4
class BF level4
class BG level4
class BH level4
class BI level4
class BJ level4
class BK level4
class BL level4
class BM level4
class BN level4
class BO level4
class BP level4
class BQ level4
class BR level4
class BS level4
class BT level4
class BU level4
class BV level4
class BW level4
class BX level4
class BY level4
class BZ level6
class CA level6
class CB level6
class CC level6
class CD level6
class CE level6

  class B highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class B highlight