MXIK (IKPU) codes, class 02836: Carbonates; peroxocarbonates
1 position · 3 subpositions · 33 codes · tasnif.soliq.uz, data as of 14.10.2026
Updated:
Class 02836 "Carbonates; peroxocarbonates" accounts for 33 codes in group 028 "Inorganic and organic chemical products". They are spread across 1 position and 3 subpositions. That is 5.3% of all codes in the group.
All subpositions of the class sit in a single position, 02836001 "Carbonates; peroxocarbonates". The largest subpositions are "Carbonates" (02836001001, 28), "Baking soda" (02836001002, 4). Other examples: "Peroxocarbonates".
By number of codes the class ranks 6th of 50 in the group. Neighbouring classes: 02835 "Phosphinates, phosphonates, phosphates and polyphosphates" (62 codes) and 02837 "Cyanides, cyanide oxides and complex cyanides" (9 codes). Under the coding scheme in the Regulation on the National Catalogue, digits 2 to 5 of a goods code are the customs (TN VED, HS-based) code; for this class it is 2836.
Codes in this class
| Code | Name | Copy code |
|---|---|---|
| 02836001 | Carbonates; peroxocarbonates33 codes | |
| 02836001001 | Carbonates28 codes | |
| 02836001002 | Baking soda4 codes | |
| 02836001020 | Peroxocarbonates1 code |
How to apply an MXIK code
- Find the subposition of your good or service: the first 11 digits are the group, class, position and subposition.
- Pick the 17-digit code on tasnif.soliq.uz: the last 6 digits are brand and attribute; goods without a barcode use "000000".
- Show this code in electronic invoices (ESF) and online cash register receipts, and for imports in the customs cargo declaration.
- Watch for changes on tasnif.soliq.uz: deleting or changing a code takes effect after 30 days.
- No suitable code? Send a request to the operator through your personal account (reviewed within 3 working days).
Help with MXIK codes in accounting and e-invoices
Leader Audit accountants can match MXIK codes to your product list, review invoices and receipts and set up your accounting in line with the code rules.
Accounting servicesOther classes in this group
- 02801 — Fluorine, chlorine, bromine and iodine
- 02804 — Hydrogen, rare gases and other non-metals
- 02806 — Hydrogen chloride; chlorosulphuric acid
- 02807 — Sulphuric acid; oleum
- 02815 — Sodium or potassium hydroxide; peroxides of sodium or potassium
- 02827 — Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides
- 02833 — Sulphates; alums; peroxosulphates (persulphates)
- 02834 — Nitrites; nitrates
- 02835 — Phosphinates, phosphonates, phosphates and polyphosphates
- 02841 — Salts of oxometallic or peroxometallic acids
Frequently asked questions
What is the MXIK (IKPU) code for "Carbonates"?
The subposition "Carbonates" has code 02836001001: group 028, class 02836, position 02836001 "Carbonates; peroxocarbonates". It covers 28 codes: all of them start with these 11 digits, and the last 6 digits stand for brand and attribute. The exact 17-digit code is chosen on tasnif.soliq.uz.
What is the MXIK (IKPU) code for "Peroxocarbonates"?
The subposition "Peroxocarbonates" has code 02836001020: group 028, class 02836, position 02836001 "Carbonates; peroxocarbonates". It covers one 17-digit MXIK code starting with these 11 digits. The exact 17-digit code is chosen on tasnif.soliq.uz.
How many MXIK codes are in class 02836?
As of 14.10.2026, class 02836 "Carbonates; peroxocarbonates" has 1 position, 3 subpositions and 33 codes. Every code in the class starts with 02836.
How does class 02836 differ from class 02837?
They are neighbouring classes of group 028. Class 02836 "Carbonates; peroxocarbonates" has 1 position and 33 codes; class 02837 "Cyanides, cyanide oxides and complex cyanides" has 1 position and 9 codes. The class is digits 4–5 of the MXIK code, so a wrong class changes the base code of the item.
Where must the MXIK code be shown?
Under the Regulation on the National Catalogue (Cabinet of Ministers Resolution No. 263 of 28 April 2025) the catalogue is used for electronic invoices, online cash register receipts and the customs cargo declaration (except goods imported for the first time). A code that does not match the base code (first 11 digits) can lead to a fine of 1% of the value under Article 223(5) of the Tax Code.
Sources
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