---
title: "2933 HSN Code | HSN Code for Heterocyclic nitrogen compounds in India"
description: "Know more about 2933 HSN Code with BUSY Accounting - HSN Tariff, GST Rates and case laws related to chapter 2933 covering Heterocyclic nitrogen compounds."
canonical: "https://busy.in/hsn/sub-chapter-2933/"
---

# HSN Sub-chapter 2933: Heterocyclic nitrogen compounds

Heterocyclic compounds with nitrogen hetero-atom(s) only

Part of [Chapter 29: Organic Chemicals](https://busy.in/hsn/chapter-29/).

- Current GST rate: 18%
- Earlier GST rate: 18%

## HSN codes

| Code | Title |
| --- | --- |
| 29331100 | [Phenazone (antipyrin) and derivatives](https://busy.in/hsn/hsn-29331100/) |
| 29331910 | [Pyrazolone Derivative](https://busy.in/hsn/hsn-29331910/) |
| 29331920 | [Pyrazole Compounds: 1(2,5-Dichloro-4-sulpho Phenyl)-3-Methyl-5-Pyrazolone](https://busy.in/hsn/hsn-29331920/) |
| 29331930 | [Pyrazole compounds: 3-methyl-1(4-sulpho-O-toluyl-5-pyrazolone)](https://busy.in/hsn/hsn-29331930/) |
| 29331940 | [Pyrazole compounds: Phenylmethylpyrazolone](https://busy.in/hsn/hsn-29331940/) |
| 29331950 | [Pyrazole compounds: 1-phenyl-5-pyrazolone-3-carboxylic acid ethylester](https://busy.in/hsn/hsn-29331950/) |
| 29331960 | [Pyrazole compounds: 1-(m-sulphophenyl)-3-pyrazolone](https://busy.in/hsn/hsn-29331960/) |
| 29331970 | [Pyrazole compounds: Analgin](https://busy.in/hsn/hsn-29331970/) |
| 29331980 | [Oxyphenbutazone](https://busy.in/hsn/hsn-29331980/) |
| 29331990 | [Imidacloprid (iso)](https://busy.in/hsn/hsn-29331990/) |
| 29331991 | [Pyrazole Compounds: Fluoro-3-(difluoromethyl)-1-methyl-1h](https://busy.in/hsn/hsn-29331991/) |
| 29331999 | [Pyrazole compounds: Other](https://busy.in/hsn/hsn-29331999/) |
| 29332100 | [Imidazole compounds: Hydantoin derivatives](https://busy.in/hsn/hsn-29332100/) |
| 29332910 | [Imidazole compounds: Tinidazole](https://busy.in/hsn/hsn-29332910/) |
| 29332920 | [Imidazole compounds: Metronidazole](https://busy.in/hsn/hsn-29332920/) |
| 29332930 | [Imidazole compounds: Mebendazole](https://busy.in/hsn/hsn-29332930/) |
| 29332940 | [Dimetridazole](https://busy.in/hsn/hsn-29332940/) |
| 29332950 | [Imidazole compounds: Albendazole](https://busy.in/hsn/hsn-29332950/) |
| 29332960 | [Bromazepam, Methylphenidate, Pentazocine, Etc.](https://busy.in/hsn/hsn-29332960/) |
| 29332990 | [Imidazole compounds: Other](https://busy.in/hsn/hsn-29332990/) |
| 29333100 | [Pyridine And Its Salts](https://busy.in/hsn/hsn-29333100/) |
| 29333200 | [Piperidine And Its Salts](https://busy.in/hsn/hsn-29333200/) |
| 29333300 | [Piperidine and Its Derivatives](https://busy.in/hsn/hsn-29333300/) |
| 29333311 | [Alfentanil and its salt](https://busy.in/hsn/hsn-29333311/) |
| 29333312 | [Anileridine & Salts](https://busy.in/hsn/hsn-29333312/) |
| 29333313 | [Bezitramide and its Salt](https://busy.in/hsn/hsn-29333313/) |
| 29333314 | [Bromazepam and Salt](https://busy.in/hsn/hsn-29333314/) |
| 29333315 | [Carfentanil and Its Salts](https://busy.in/hsn/hsn-29333315/) |
| 29333316 | [Difenoxin](https://busy.in/hsn/hsn-29333316/) |
| 29333317 | [Diphenoxylate](https://busy.in/hsn/hsn-29333317/) |
| 29333318 | [Dipipanone](https://busy.in/hsn/hsn-29333318/) |
| 29333321 | [Fentanyl & Salt](https://busy.in/hsn/hsn-29333321/) |
| 29333322 | [Ketobemidone And Its Salt](https://busy.in/hsn/hsn-29333322/) |
| 29333323 | [Methylphenidate And Its Salt](https://busy.in/hsn/hsn-29333323/) |
| 29333324 | [Pentazocine And Its Salt](https://busy.in/hsn/hsn-29333324/) |
| 29333325 | [Pethidine And Its Salt](https://busy.in/hsn/hsn-29333325/) |
| 29333326 | [Pethidine Compound And Its Salt](https://busy.in/hsn/hsn-29333326/) |
| 29333327 | [Phencyclidine And Its Salt](https://busy.in/hsn/hsn-29333327/) |
| 29333328 | [Phenoperidine And Its Salt](https://busy.in/hsn/hsn-29333328/) |
| 29333331 | [Pipradrol (Inn) And Its Salt](https://busy.in/hsn/hsn-29333331/) |
| 29333332 | [Piritramide (Inn) And Its Salt](https://busy.in/hsn/hsn-29333332/) |
| 29333333 | [Propiram (Inn) And Its Salt](https://busy.in/hsn/hsn-29333333/) |
| 29333334 | [Remifentanil (Inn) And Its Salt](https://busy.in/hsn/hsn-29333334/) |
| 29333335 | [Trimeperidine (Inn) And Its Salt](https://busy.in/hsn/hsn-29333335/) |
| 29333400 | [Other Fentanyls And Their Derivatives](https://busy.in/hsn/hsn-29333400/) |
| 29333500 | [Quinuclidinol & Its Salts](https://busy.in/hsn/hsn-29333500/) |
| 29333600 | [4-Anilino-N-phenethylpiperidine (ANPP)](https://busy.in/hsn/hsn-29333600/) |
| 29333700 | [N-Phenethy L-4-Piperidone (Npp)](https://busy.in/hsn/hsn-29333700/) |
| 29333911 | [Pyridine Derivatives\| Amino Pyridine](https://busy.in/hsn/hsn-29333911/) |
| 29333912 | [Pyridine Derivatives\| Alpha Picoline](https://busy.in/hsn/hsn-29333912/) |
| 29333913 | [Pyridine Derivatives\| Gamma Picoline](https://busy.in/hsn/hsn-29333913/) |
| 29333914 | [Pyridine Derivatives\| Chloropheniramine Maleate](https://busy.in/hsn/hsn-29333914/) |
| 29333915 | [Pyridine Derivatives\| Diphenoxylate Hydrochloride](https://busy.in/hsn/hsn-29333915/) |
| 29333916 | [Pyridine Derivatives\| Beta Picoline](https://busy.in/hsn/hsn-29333916/) |
| 29333917 | [Pyridine Derivatives\| Morpholine](https://busy.in/hsn/hsn-29333917/) |
| 29333918 | [Pyridine Derivatives\| Lutidine](https://busy.in/hsn/hsn-29333918/) |
| 29333919 | [Other Pyridine Derivatives Compounds](https://busy.in/hsn/hsn-29333919/) |
| 29333920 | [Acetamiprid (iso)](https://busy.in/hsn/hsn-29333920/) |
| 29333921 | [Imazethapyr (iso)](https://busy.in/hsn/hsn-29333921/) |
| 29333922 | [Imazethapyr (ISO)](https://busy.in/hsn/hsn-29333922/) |
| 29333929 | [1-azabicyclo(2,2,2)octan-3-ol](https://busy.in/hsn/hsn-29333929/) |
| 29333930 | [Bispyribac-sodium (iso)](https://busy.in/hsn/hsn-29333930/) |
| 29333940 | [Pyridine Derivatives\| Benzene Acetic Acid Ester](https://busy.in/hsn/hsn-29333940/) |
| 29333990 | [Other Pyridine Compounds](https://busy.in/hsn/hsn-29333990/) |
| 29334100 | [Levorphanol and its salts](https://busy.in/hsn/hsn-29334100/) |
| 29334900 | [Other quinoline or isoquinoline compounds](https://busy.in/hsn/hsn-29334900/) |
| 29335200 | [Pyrimidine/piperazine compounds: Barbituric acid](https://busy.in/hsn/hsn-29335200/) |
| 29335300 | [Barbital and Related Compounds](https://busy.in/hsn/hsn-29335300/) |
| 29335400 | [Pyrimidine/piperazine compounds: Barbituric acid derivatives](https://busy.in/hsn/hsn-29335400/) |
| 29335500 | [Pyrimidine/piperazine compounds: Loprazolam, methaqualone, etc.](https://busy.in/hsn/hsn-29335500/) |
| 29335910 | [Pyrimidine/piperazine compounds: Aminophylline](https://busy.in/hsn/hsn-29335910/) |
| 29335920 | [Pyrimidine/piperazine compounds: Trimethoprim](https://busy.in/hsn/hsn-29335920/) |
| 29335930 | [Pyrimidine/piperazine compounds: Diethyl carbamazine](https://busy.in/hsn/hsn-29335930/) |
| 29335940 | [Pyrimidine/piperazine compounds: 1-Amino-4-Methyl piperazine](https://busy.in/hsn/hsn-29335940/) |
| 29335950 | [Other Lactams](https://busy.in/hsn/hsn-29335950/) |
| 29335990 | [Pyrimidine/piperazine compounds: Other](https://busy.in/hsn/hsn-29335990/) |
| 29336100 | [Melamine](https://busy.in/hsn/hsn-29336100/) |
| 29336910 | [Cyanuric acid and its salts](https://busy.in/hsn/hsn-29336910/) |
| 29336920 | [4-\[4,6-bis(2,4-dimethylphenyl)-1,3,5-triazine-2-yl\]-1,3-benzenediol](https://busy.in/hsn/hsn-29336920/) |
| 29336930 | [Tris(2-hydroxyethyl) isocyanurate](https://busy.in/hsn/hsn-29336930/) |
| 29336940 | [Ethylhexyltriazone](https://busy.in/hsn/hsn-29336940/) |
| 29336950 | [2,4,6-tri(2,4-dihydroxy-3-methylphenyl)-1,3,5-triazine](https://busy.in/hsn/hsn-29336950/) |
| 29336990 | [Other compounds with unfused triazine ring](https://busy.in/hsn/hsn-29336990/) |
| 29337100 | [Lactams :6-Hexanelactam (epsilon-caprolactam)](https://busy.in/hsn/hsn-29337100/) |
| 29337200 | [Lactams :Clobazam (INN) and methyprylon (INN)](https://busy.in/hsn/hsn-29337200/) |
| 29337900 | [Other Nitrogen Heteroatom Compounds](https://busy.in/hsn/hsn-29337900/) |
| 29337910 | [Lactams : 6-Hexanelactam (epsilon-caprolactam)](https://busy.in/hsn/hsn-29337910/) |
| 29337920 | [Lactams : Clobazam (INN) and methyprylon (INN)](https://busy.in/hsn/hsn-29337920/) |
| 29337990 | [Lactams \|Other Lactams](https://busy.in/hsn/hsn-29337990/) |
| 29339100 | [Alprazolam and related compounds](https://busy.in/hsn/hsn-29339100/) |
| 29339200 | [Other\| Azinphos-Methyl (Iso)](https://busy.in/hsn/hsn-29339200/) |
| 29339900 | [Carbendazim (iso)](https://busy.in/hsn/hsn-29339900/) |
| 29339910 | [Other :Other : Imidazo pyridine methyl amine](https://busy.in/hsn/hsn-29339910/) |
| 29339920 | [Other Nucleic Acids & Heterocyclic Compounds](https://busy.in/hsn/hsn-29339920/) |
| 29339990 | [Other \|Other \| Other](https://busy.in/hsn/hsn-29339990/) |

## Frequently asked questions

### What products are classified under HSN 2933

It includes Heterocyclic nitrogen compounds

### How are warranty replacements of Heterocyclic nitrogen compounds 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.

### Does MRP, weight or pack size change GST treatment for Heterocyclic nitrogen compounds?

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.

### Can reverse charge ever apply to transactions involving Heterocyclic nitrogen compounds?

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

### Do spares or accessories of Heterocyclic nitrogen compounds follow the same HSN?

Not always. Spares are often classified by their own description or by the function/part rule. Check if a specific sub‑heading exists for parts of the main item and describe the part on the invoice.

### Can I claim ITC on inputs and services used for Heterocyclic nitrogen compounds?

If your outward supply of Heterocyclic nitrogen compounds is taxable, ITC is generally available (Sections 16–17) except blocked credits (e.g., personal use, motor vehicles in most cases). For exempt supplies, proportionate reversal is required under Rule 42/43.

## India's trade performance: HSN Sub-Chapter 2933 (FY 2024-25)

Source: TradeStat EIDB, Ministry of Commerce & Industry. Values in ₹ Crore (FY 2018-19 to FY 2024-25).

- Exports: ₹37,363 Cr (−11.25% YoY) — 1.0089% of India's total exports
- Imports: ₹19,806 Cr (−44.64% YoY) — 0.3248% of India's total imports
- Trade balance: ₹17,557 Cr (Surplus); surplus rank #18 of 1233 sub-chapters
- Share of Chapter 29: 21.95% of its exports; import side 8.81%
- Rank within Chapter 29: #1 of 42 by export value; import-side #3

### Key metrics

- Export CAGR: 13.88% (FY 2018-19 to FY 2024-25, 7 fiscal years)
- National export rank: #12 of 1233 sub-chapters by export value (FY 2024-25)
- Peak growth year: +33.91% in FY 2023-24
- Contribution to Ch. 29: 21.95% of its exports (FY 2024-25)

## India export-import trade statistics: HSN Sub-Chapter 2933

7-year export and import data, FY 2018-19 to FY 2024-25, in ₹ Crore. Source: Ministry of Commerce & Industry, TradeStat EIDB.

| FY | Exports (₹ Cr) | Exp share | Exp YoY | Exp % of Ch. 29 | Imports (₹ Cr) | Imp share | Imp YoY | Imp % of Ch. 29 | Trade balance | Exp rank |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| FY 2018-19 | 17,129.04 | 0.7462% | — | 13.43% | 14,268.17 | 0.3973% | — | 9.11% | +2,860.87 | #20 |
| FY 2019-20 | 19,268.77 | 0.8724% | +12.49% | 15.56% | 13,800.77 | 0.4114% | −3.28% | 9.84% | +5,468.00 | #15 |
| FY 2020-21 | 23,751.62 | 1.1043% | +23.26% | 17.84% | 16,463.51 | 0.5650% | +19.29% | 11.29% | +7,288.11 | #15 |
| FY 2021-22 | 28,621.60 | 0.9120% | +20.50% | 17.42% | 18,960.63 | 0.4148% | +15.17% | 8.92% | +9,660.97 | #16 |
| FY 2022-23 | 31,437.06 | 0.8683% | +9.84% | 18.33% | 21,353.96 | 0.3714% | +12.62% | 9.20% | +10,083.10 | #13 |
| FY 2023-24 | 42,097.63 | 1.1635% | +33.91% | 25.03% | 35,775.08 | 0.6370% | +67.53% | 16.16% | +6,322.55 | #9 |
| FY 2024-25 | 37,362.97 | 1.0089% | −11.25% | 21.95% | 19,806.11 | 0.3248% | −44.64% | 8.81% | +17,556.86 | #12 |

- CAGR (7-year): exports 13.88%/yr, imports 5.62%/yr (consistently Surplus)

## Key trade insights: HSN Sub-Chapter 2933 export-import analysis

### Consistent export growth: 13.88% CAGR over 7 years

India's exports under HSN Sub-Chapter 2933 have grown at a compound annual rate of 13.88% over 7 fiscal years, rising from ₹17,129.04 Crore in FY 2018-19 to ₹37,362.97 Crore in FY 2024-25.

### HSN Sub-Chapter 2933 ranked #12 among all 1233 sub-chapters by export value

In FY 2024-25, HSN Sub-Chapter 2933 ranks #12 out of 1233 sub-chapters by total export value. Within Chapter 29, it ranks #1 of 42. By trade surplus, it ranks #18 of 1233.

### FY 2023-24 was the strongest growth year for HSN Sub-Chapter 2933 exports

The strongest single-year export movement for HSN Sub-Chapter 2933 was recorded in FY 2023-24, when exports surged by 33.91% over the prior year.

### India maintains a trade surplus of ₹17,556.86 Crore in HSN Sub-Chapter 2933 goods

In FY 2024-25, India's exports of ₹37,362.97 Cr exceeded imports of ₹19,806.11 Cr, resulting in a trade surplus of ₹17,556.86 Crore — ranking #18 of 1233 by surplus magnitude.

### Import growth of 5.62% CAGR signals stable import dependency for Heterocyclic nitrogen compounds

India's imports under HSN Sub-Chapter 2933 have grown at 5.62% CAGR, reaching ₹19,806.11 Crore in FY 2024-25.

### HSN Sub-Chapter 2933 contributes 21.95% of Chapter 29 exports — ranked #1

Among the 42 sub-chapters under Chapter 29, HSN Sub-Chapter 2933 ranks #1 by export value — accounting for 21.95% of the chapter's total exports in FY 2024-25. On the import side, it holds 8.81% share (rank #3).

## Related Sub-Chapters in Chapter 29

Ranked by export value (FY 2024-25).

| Rank | HSN Sub-Chapter | Exports (FY 2024-25) |
| --- | --- | --- |
| #1 | HSN Sub-Chapter 2933: Heterocyclic nitrogen compounds (this hsn sub-chapter) | ₹37,363 Cr |
| #2 | [HSN Sub-Chapter 2902: Cyclic hydrocarbons](https://busy.in/hsn/sub-chapter-2902/) | ₹15,293 Cr |
| #3 | [HSN Sub-Chapter 2942: Other organic compounds](https://busy.in/hsn/sub-chapter-2942/) | ₹10,794 Cr |
| #4 | [HSN Sub-Chapter 2941: Antibiotics](https://busy.in/hsn/sub-chapter-2941/) | ₹8,911 Cr |
| #5 | [HSN Sub-Chapter 2921: Amine- function compounds](https://busy.in/hsn/sub-chapter-2921/) | ₹7,834 Cr |
| #6 | [HSN Sub-Chapter 2924: Internal combustion engines](https://busy.in/hsn/sub-chapter-2924/) | ₹6,530 Cr |
| #7 | [HSN Sub-Chapter 2915: Monocarboxylic acids and derivatives](https://busy.in/hsn/sub-chapter-2915/) | ₹6,424 Cr |
| #8 | [HSN Sub-Chapter 2934: Nucleic acids & derivatives](https://busy.in/hsn/sub-chapter-2934/) | ₹6,343 Cr |
| #9 | [HSN Sub-Chapter 2922: Oxygen-function amino-compounds](https://busy.in/hsn/sub-chapter-2922/) | ₹5,810 Cr |
| #10 | [HSN Sub-Chapter 2909: Ethers, ether-alcohols, peroxides](https://busy.in/hsn/sub-chapter-2909/) | ₹5,590 Cr |

## Other sub-chapters

| Code | Title |
| --- | --- |
| 2901 | [Acyclic hydrocarbons](https://busy.in/hsn/sub-chapter-2901/) |
| 2902 | [Cyclic hydrocarbons](https://busy.in/hsn/sub-chapter-2902/) |
| 2903 | [Halogenated hydrocarbons derivatives](https://busy.in/hsn/sub-chapter-2903/) |
| 2904 | [Hydrocarbon derivatives](https://busy.in/hsn/sub-chapter-2904/) |
| 2905 | [Acyclic alcohols & derivatives](https://busy.in/hsn/sub-chapter-2905/) |
| 2906 | [Cyclic alcohols & derivatives](https://busy.in/hsn/sub-chapter-2906/) |
| 2907 | [Phenols & derivatives](https://busy.in/hsn/sub-chapter-2907/) |
| 2908 | [Halogenated phenol derivatives](https://busy.in/hsn/sub-chapter-2908/) |
| 2909 | [Ethers, ether-alcohols, peroxides](https://busy.in/hsn/sub-chapter-2909/) |
| 2910 | [Epoxides & Derivatives](https://busy.in/hsn/sub-chapter-2910/) |
| 2911 | [Acetals & derivatives](https://busy.in/hsn/sub-chapter-2911/) |
| 2912 | [Aldehydes & derivatives](https://busy.in/hsn/sub-chapter-2912/) |
| 2913 | [Halogenated compounds](https://busy.in/hsn/sub-chapter-2913/) |
| 2914 | [Ketones & quinones](https://busy.in/hsn/sub-chapter-2914/) |
| 2915 | [Monocarboxylic acids and derivatives](https://busy.in/hsn/sub-chapter-2915/) |
| 2916 | [Unsaturated acids](https://busy.in/hsn/sub-chapter-2916/) |
| 2917 | [Polycarboxylic Acids](https://busy.in/hsn/sub-chapter-2917/) |
| 2918 | [Carboxylic acids and derivatives](https://busy.in/hsn/sub-chapter-2918/) |
| 2919 | [Phosphoric Esters](https://busy.in/hsn/sub-chapter-2919/) |
| 2920 | [Inorganic acid esters and salts](https://busy.in/hsn/sub-chapter-2920/) |
| 2921 | [Amine- function compounds](https://busy.in/hsn/sub-chapter-2921/) |
| 2922 | [Oxygen-function amino-compounds](https://busy.in/hsn/sub-chapter-2922/) |
| 2923 | [Quaternary ammonium compounds](https://busy.in/hsn/sub-chapter-2923/) |
| 2924 | [Internal combustion engines](https://busy.in/hsn/sub-chapter-2924/) |
| 2925 | [Carboxyimide compounds](https://busy.in/hsn/sub-chapter-2925/) |
| 2926 | [Nitrile-function compounds](https://busy.in/hsn/sub-chapter-2926/) |
| 2927 | [Diazo-, azo- or azoxy-compounds](https://busy.in/hsn/sub-chapter-2927/) |
| 2928 | [Hydrazine derivatives](https://busy.in/hsn/sub-chapter-2928/) |
| 2929 | [Compounds with other nitrogen function](https://busy.in/hsn/sub-chapter-2929/) |
| 2930 | [Organo-sulphur compounds](https://busy.in/hsn/sub-chapter-2930/) |
| 2931 | [Other organo-inorganic compounds](https://busy.in/hsn/sub-chapter-2931/) |
| 2932 | [Oxygen heterocyclic compounds](https://busy.in/hsn/sub-chapter-2932/) |
| 2934 | [Nucleic acids & derivatives](https://busy.in/hsn/sub-chapter-2934/) |
| 2935 | [Sulphonamides](https://busy.in/hsn/sub-chapter-2935/) |
| 2936 | [Provitamins & vitamins, synthesized](https://busy.in/hsn/sub-chapter-2936/) |
| 2937 | [Hormones & derivatives, synthesized](https://busy.in/hsn/sub-chapter-2937/) |
| 2938 | [Natural glycosides & derivatives](https://busy.in/hsn/sub-chapter-2938/) |
| 2939 | [Vegetable alkaloids & derivatives](https://busy.in/hsn/sub-chapter-2939/) |
| 2940 | [Pure sugars excluding common types](https://busy.in/hsn/sub-chapter-2940/) |
| 2941 | [Antibiotics](https://busy.in/hsn/sub-chapter-2941/) |
| 2942 | [Other organic compounds](https://busy.in/hsn/sub-chapter-2942/) |