2931OTHER ORGANO-INORGANIC COMPOUNDS
HSN heading 2931 falls under Chapter 29 — organic chemicals. It breaks down into 18 sub-codes listed below.
Sub-codes under 2931 (18)
293100
Other organo-inorganic compounds
293110
TETRAMETHYL LEAD AND TETRAETHYL LEAD:
293120
Tributyltin compounds
293141
DIMETHYL METHYLPHOSPHONATE
293142
DIMETHYL PROPYLPHOSPHONATE
293143
DIETHYL ETHYLPHOSPHONATE
293144
METHYLPHOSPHONIC ACID
293145
SALT OF METHYLPHOSPHONIC ACID AND (AMINOIMINOMETHYL) UREA (1 : 1)
293146
2,4,6-TRIPROPYL-1,3,5,2,4,6-TRIOXATRIPHOSPHINANE 2,4,6-TRIOXIDE
293147
(5-ETHYL-2-METHYL-2-OXIDO-1,3,2-DIOXAPHOSPHINAN-5-YL) METHYL METHYL METHYLPHOSPHONATE
293148
3,9-DIMETHYL-2,4,8,10-TETRAOXA-3,9- DIPHOSPHASPIRO [5.5] UNDECANE 3,9-DIOXIDE
293149
OTHER
293151
METHYLPHOSPHONIC DICHLORIDE
293152
PROPYLPHOSPHONIC DICHLORIDE
293153
O-(3-CHLOROPROPYL) O-[4-NITRO-3-(TRIFLUOROMETHYL) PHENYL] METHYLPHOSPHONOTHIONATE
293154
TRICHLORFON (ISO)
293159
OTHER
293190
OTHER:
About HSN heading 2931
The 4-digit code 2931 is an HSN heading — a mid-level grouping that breaks down further into 6-digit sub-headings and 8-digit tariff items. Choose the most specific sub-code that matches your supply so the GST rate, e-invoice schema, and GSTR-1 HSN summary all line up correctly. It sits inside Chapter 29, which covers organic chemicals.