Q3HSN Code 2921
Amine-function compounds
GST rate
| Gibberellic acid | 5% |
| All organic chemicals other than giberellic acid | 18% |
Codes under 2921
| Code | Description | GST rate |
|---|---|---|
| 2921 11 | Methylamine, DI- or trimethylamine and their salts: | Varies |
| 2921 11 10 | Dimethyl formide | Varies |
| 2921 12 | 2-(N, n-dimethylamino)ethylchloride hydrochloride | Varies |
| 2921 13 | 2-(N, n-diethylamino)ethylchloride hydrochloride | Varies |
| 2921 14 | 2-(N, n-diisopropylamino)ethylchloride hydrochloride | Varies |
| 2921 19 | Amine-function compounds › Other | Varies |
| 2921 19 00 | Amine- function compounds - acyclic monoamines and their derivatives; salts thereof: other | Varies |
| 2921 19 10 | 2-Chloro n, n-diisopropyl ethylamine | Varies |
| 2921 19 11 | 2-Chloro n, n-di-isopropyl ethylamine | Varies |
| 2921 19 12 | 2-Chloro n,n-dimethyl ethanamine | Varies |
| 2921 19 13 | 2-Chloro n,n-di-isopropyl ethylamine and ethanamine,2-chloro-n,n-dimethyl n,n-diethyl amino ethyl chloride hydrochloride, di-methyl amino ethylchloride hydrochloride - - - - di-methyl amino ethyl chloride hydrochloride | Varies |
| 2921 19 14 | Ethanamine, 2-chloro-n, n-dimethyl | Varies |
| 2921 19 20 | 2-Chloro n, n-dimethyl ethanamine | Varies |
| 2921 19 30 | Chlormequat chloride (CCC) | Varies |
| 2921 21 | Ethylenediamine and its salts | Varies |
| 2921 22 | Hexamethylenediamine and its salts | Varies |
| 2921 29 | Amine-function compounds › Other | Varies |
| 2921 29 10 | Hexamethylene tetramine (hexamine) not put up as fuel or medicament | Varies |
| 2921 29 20 | Trimethylene triniframine | Varies |
| 2921 29 40 | Tetradecene | Varies |
| 2921 30 | Cyclanic, cyclenic or cycloterpenic mono or polyamines, and their derivatives, salts thereof: | Varies |
| 2921 30 10 | Cyclohexylamine | Varies |
| 2921 41 | Aniline and its salts: | Varies |
| 2921 41 10 | Aniline | Varies |
| 2921 41 20 | Aniline hydrochloride | Varies |
| 2921 41 30 | 6 -benzyladenine, beflubutamid | Varies |
| 2921 42 | Aniline derivatives and their salts: | Varies |
| 2921 42 11 | Para chloroaniline | Varies |
| 2921 42 12 | Ortho chloro paranitroaniline | Varies |
| 2921 42 13 | Dichloroaniline | Varies |
| 2921 42 14 | 2, 6-dichloro paranitroaniline | Varies |
| 2921 42 15 | 1 - 4 - 5 trichloroaniline | Varies |
| 2921 42 21 | N-benzyl-n-ethylaniline | Varies |
| 2921 42 22 | N,n-diethylaniline | Varies |
| 2921 42 23 | N,n-dimethylaniline | Varies |
| 2921 42 24 | N-ethyl aniline | Varies |
| 2921 42 25 | Meta nitroaniline | Varies |
| 2921 42 26 | Para nitroaniline | Varies |
| 2921 42 31 | 2-Amino 3, 5 xylne sulphonic acid | Varies |
| 2921 42 32 | Benzyl ethyl aniline sulphonic acid | Varies |
| 2921 42 33 | Metanillic acid (meta amino benzene sulphonic acid) | Varies |
| 2921 42 34 | Sulphanillic acid (para aminobenzene sulphonic acid para aniline sulphonic acid) | Varies |
| 2921 42 35 | Ethyl hydroxy ethylaniline | Varies |
| 2921 42 36 | Methyl dopa (1-alpha methyl-3, 4- dihydroxyphenylaniline) | Varies |
| 2921 42 50 | Fluchloralin, pendimethalin, trifluralin | Varies |
| 2921 43 10 | N,n-diethyl toluidine | Varies |
| 2921 43 20 | N,n-dimethyl toluidine | Varies |
| 2921 43 30 | Ortho toluidine | Varies |
| 2921 43 40 | Meta toluidine | Varies |
| 2921 43 50 | Para toluidine | Varies |
| 2921 43 60 | 2-Chloro-5-toluidine-4-sulphonic acid | Varies |
| 2921 43 70 | 2-Chloro-4-toluidine-5-sulphonic acid (sodium salt) | Varies |
| 2921 43 80 | 4-Toluidine-3-sulphonic acid | Varies |
| 2921 43 91 | Ethafluralin | Varies |
| 2921 44 | Diphenylamine and its derivatives, salts thereof: | Varies |
| 2921 44 10 | Diphenylamine | Varies |
| 2921 45 | 1-Naphthylamine (alpha-naphthylamine), 2 naphthylamine (betanaph thylamine) and their derivatives, salts thereof: | Varies |
| 2921 45 11 | Alpha naphthylamine | Varies |
| 2921 45 12 | Phenyl alpha naphthylamine | Varies |
| 2921 45 13 | Phenyl beta naphthylamine | Varies |
| 2921 45 14 | Amino f-acid | Varies |
| 2921 45 15 | Aminolineli-r-acid | Varies |
| 2921 45 16 | Sodium naphthionate | Varies |
| 2921 45 21 | Bronner's acid (2-naphthylamine-6-sulphonic acid) | Varies |
| 2921 45 22 | Cleve's acid (1-naphthylamine-6-sulphonic acid) | Varies |
| 2921 45 23 | Epsilon acid (1-naphthylamine-3,8-disulphonic acid) | Varies |
| 2921 45 24 | Koch's acid (1-naphthylamine-3,6,8-trisulphonic acid) | Varies |
| 2921 45 25 | Laurent's acid (1-naphthylamine-5-sulphonic acid) | Varies |
| 2921 45 26 | Tobias acid (2-naphthylamine-1-sulphonic acid) | Varies |
| 2921 45 31 | Naphthionic acid (1-naphthylamine-4-sulphonic acid) | Varies |
| 2921 45 32 | Para tolyl peri acid (para tolyl-1-naphthylamine- 8-sulphonic acid) | Varies |
| 2921 45 33 | Phenyl peri acid (phenyl-1-naphthylamine- 8-sulphonic acid) | Varies |
| 2921 46 | Amfetamine (inn), benzfetamine (inn dexamfetamine (inn), etilamfetamine (inn fencamfamin (inn), lefetamine (inn), levamfetamine (inn), mefenorex (inn) and phentermine (inn), salts thereof | Varies |
| 2921 46 00 | Amfetamine (inn), benzfetamine (inn) dexamfetamine (inn), etilamfetamine (inn) fencamfamin (inn), lefetamine (inn), levamfetamine (inn), mefenorex (inn) and phentermine (inn), salts thereof | Varies |
| 2921 49 | Amine-function compounds › Other | Varies |
| 2921 49 10 | Xylidines | Varies |
| 2921 49 20 | Para cumidine | Varies |
| 2921 51 | O-, M-, p-phenylenediamine, diaminotoluenes, and their derivatives, salts thereof: | Varies |
| 2921 51 10 | O-phenylenediamine | Varies |
| 2921 51 20 | M-phenylenediamine (m-di aminobenzene) | Varies |
| 2921 51 30 | P-phenylenediamine | Varies |
| 2921 51 40 | O-diaminotoluene | Varies |
| 2921 51 50 | M-diaminotoluene | Varies |
| 2921 51 60 | P-diaminotoluene | Varies |
| 2921 51 70 | Para-amino acetanilide | Varies |
| 2921 51 80 | Meta toluylene diamine | Varies |
| 2921 59 | Amine-function compounds › Other | Varies |
| 2921 59 10 | Benzidine | Varies |
| 2921 59 20 | Benzidine dihydrochloride | Varies |
| 2921 59 30 | 3, 3 dichlorobenzidine dihydrochloride sulphate | Varies |
| 2921 59 40 | Diaminostilbene 2,2-disulphonic acid (dasda) | Varies |
← Chapter 29: Organic chemicals and chemical compounds
Related HSN codes
Frequently Asked Questions
What is the HSN code for amine-function compounds?
The HSN code for amine-function compounds is 2921, under Chapter 29 (Organic chemicals and chemical compounds).
What is the GST rate on amine-function compounds?
It depends on the specific item: gibberellic acid is 5%; all organic chemicals other than giberellic acid is 18%.
How many digits of the HSN code go on a GST invoice?
It depends on your turnover in the previous financial year: businesses above ₹5 crore generally show 6 digits (8 for certain specified goods), and smaller businesses show 4 digits on B2B invoices. Check the current e-invoicing/HSN notification for the exact threshold that applies to you.
Rates as per Notification No. 9/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.