Sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur

HS v2022 Code: 2503

Chapter	Heading	Sub-heading
25	03	n/a

Code	2503
Version	HS v2022
Hierarchy Level	4
Datasource	WCO
Chapter	25

Ancestor Codes: Salt; sulphur; earths, stone; plastering materials, lime and cement

This Code: Sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur

Child Codes: Sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur

Sibling Codes (Nearest 5): Salt (including table salt and denatured salt); pure sodium chloride whether or not in aqueous solution; sea water; Iron pyrites; unroasted; Graphite; natural; Sands of all kinds; natural, whether or not coloured, other than metal-bearing sands of chapter 26; Quartz; (other than natural sands), quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape

About sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur

HS code 2503 covers a wide range of sulphur products, excluding certain specialized forms. Sulphur is a critical raw material with diverse industrial applications, making it an essential component in the global economy. This code encompasses the trade and production of various sulphur types, which are utilized across numerous industries, including agriculture, chemical manufacturing, and energy production.

Production process

Sulphur is primarily obtained through the processing of natural gas and crude oil, where it is extracted as a by-product. The most common production method involves the Claus process, which recovers sulphur from hydrogen sulphide gas streams. Additionally, some sulphur is mined directly from natural deposits. The extracted sulphur is then refined and processed to meet the specific requirements of different applications.

Production inputs

The main inputs for the production of goods under HS code 2503 include natural gas, crude oil, and other fossil fuel sources that contain sulphur compounds. Additionally, specialized equipment and machinery are required for the extraction, processing, and refining of sulphur. Energy, labor, and transportation services are also crucial inputs in this industry.

Production outputs

The primary outputs of this industry are various forms of sulphur, including elemental sulphur, sulphuric acid, and other sulphur-based compounds. These outputs are widely used as raw materials in the production of 2807 Sulphuric acid; oleum, 2802 Sulphur, sublimed or precipitated; colloidal sulphur, and a range of other chemical products classified under different HS codes.

Family tree for sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur

    graph LR
    A["<a href='/classifications/hs/v2022/25'>25: Salt; sulphur; earths, stone; plastering materials, lime and cement</a>"]
A --> B["<a href='/classifications/hs/v2022/2503'>2503: Sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur</a>"]

    A --> C["<a href='/classifications/hs/v2022/2501'>2501: Salt (including table salt and denatured salt); pure sodium chloride whether or not in aqueous solution; sea water</a>"]
A --> D["<a href='/classifications/hs/v2022/2502'>2502: Iron pyrites; unroasted</a>"]
A --> E["<a href='/classifications/hs/v2022/2504'>2504: Graphite; natural</a>"]
A --> F["<a href='/classifications/hs/v2022/2505'>2505: Sands of all kinds; natural, whether or not coloured, other than metal-bearing sands of chapter 26</a>"]
A --> G["<a href='/classifications/hs/v2022/2506'>2506: Quartz; (other than natural sands), quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape</a>"]
A --> H["<a href='/classifications/hs/v2022/2507'>2507: Kaolin and other kaolinic clays; whether or not calcined</a>"]
A --> I["<a href='/classifications/hs/v2022/2508'>2508: Clays; (not including expanded clays of heading no. 6806), andalusite kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earth</a>"]
A --> J["<a href='/classifications/hs/v2022/2509'>2509: Chalk</a>"]
A --> K["<a href='/classifications/hs/v2022/2510'>2510: Natural calcium phosphates; natural aluminium calcium phosphates and phosphatic chalk</a>"]
A --> L["<a href='/classifications/hs/v2022/2511'>2511: Natural barium sulphate (barytes); natural barium carbonate, (witherite) whether or not calcined, other than barium oxide of heading no. 2816</a>"]
A --> M["<a href='/classifications/hs/v2022/2512'>2512: Siliceous fossil meals (e.g. kieselguhr, tripolite and diatomite) and similar siliceous earths; whether or not calcined, of an apparent specific gravity of 1 or less</a>"]
A --> N["<a href='/classifications/hs/v2022/2513'>2513: Pumice stone; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat treated</a>"]
A --> O["<a href='/classifications/hs/v2022/2514'>2514: Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape</a>"]
A --> P["<a href='/classifications/hs/v2022/2515'>2515: Marble, travertine, ecaussine and other calcareous stone; of an apparent specific gravity of less than 2.5, alabaster, whether cut by sawing etc, into blocks, slabs of a rectangular (square) shape</a>"]
A --> Q["<a href='/classifications/hs/v2022/2516'>2516: Granite, porphyry, basalt, sandstone, other monumental and building stone, whether or not roughly trimmed, cut, by sawing etc, into blocks or slabs of a rectangular (including square) shape</a>"]
A --> R["<a href='/classifications/hs/v2022/2517'>2517: Pebbles, gravel, crushed stone for concrete aggregates for road or railway ballast, shingle or flint; macadam of slag, dross etc tarred granules, chippings, powder of stones of heading no. 2515 and 2516</a>"]
A --> S["<a href='/classifications/hs/v2022/2518'>2518: Dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape</a>"]
A --> T["<a href='/classifications/hs/v2022/2519'>2519: Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; magnesium oxide, pure or not</a>"]
A --> U["<a href='/classifications/hs/v2022/2520'>2520: Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate), coloured or not, with or without small quantities of accelerators or retarders</a>"]
A --> V["<a href='/classifications/hs/v2022/2521'>2521: Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement</a>"]
A --> W["<a href='/classifications/hs/v2022/2522'>2522: Quicklime, slaked lime and hydraulic lime; other than calcium oxide and hydroxide of heading no. 2825</a>"]
A --> X["<a href='/classifications/hs/v2022/2523'>2523: Portland cement, aluminous cement (ciment fondu), slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers</a>"]
A --> Y["<a href='/classifications/hs/v2022/2524'>2524: Asbestos</a>"]
A --> Z["<a href='/classifications/hs/v2022/2525'>2525: Mica, including splittings; mica waste</a>"]
A --> BA["<a href='/classifications/hs/v2022/2526'>2526: Natural steatite; whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc</a>"]
A --> BB["<a href='/classifications/hs/v2022/2528'>2528: Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weight</a>"]
A --> BC["<a href='/classifications/hs/v2022/2529'>2529: Feldspar; leucite; nepheline and nepheline syenite; fluorspar</a>"]
A --> BD["<a href='/classifications/hs/v2022/2530'>2530: Mineral substances not elsewhere specified or included</a>"]

    B --> BE["<a href='/classifications/hs/v2022/250300'>250300: Sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur</a>"]


    %% Color coordination by level

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    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 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