HSN heading 2903 falls under Chapter 29 — organic chemicals. It breaks down into 43 sub-codes listed below.
Sub-codes under 2903 (43)
290311
CHLOROMETHANE (METHYL CHLORIDE) AND CHLOROETHANE (ETHYL CHLORIDE) :
290312
DICHLOROMETHANE (METHYLENE CHLORIDE)
290313
CHLOROFORM (TRICHLORO METHANE)
290314
CARBON TETRACHLORIDE
290315
ETHYLENE DICHLORIDE (ISO) (1, 2-DICHLOROETHANE)
290319
OTHER :
290321
VINYL CHLORIDE (CHLOROETHYLENE)
290322
TRICHLOROETHYLENE
290323
TETRACHLOROETHYLENE (PERCHLOROETHYLENE)
290329
OTHER
290339
Other
290341
TRIFLUOROMETHANE (HFC-23)
290342
DIFLUOROMETHANE (HFC-32)
290343
FLUOROMETHANE (HFC-41), 1,2-DIFLUOROETHANE (HFC-152) AND 1,1-DIFLUOROETHANE (HFC-152A)
290344
PENTAFLUOROETHANE (HFC-125), 1,1,1 TRIFLUOROETHANE (HFC-143A) AND 1,1,2- TRIFLUOROETHANE (HFC-143)
290345
1,1,1,2-TETRAFLUOROETHANE (HFC-134A) AND 1,1,2,2-TETRAFLUOROETHANE (HFC-134)
290346
,1,1,2,3,3,3-HEPTAFLUOROPROPANE (HFC- 227EA), 1,1,1,2,2,3-HEXAFLUOROPROPANE (HFC-236CB), 1,1,1,2,3,3-HEXAFLUOROPROPANE (HFC-236EA) AND 1,1,1,3,3,3-HEXAFLUOROPROPANE (HFC-236FA)
290347
1,1,1,3,3-PENTAFLUOROPROPANE (HFC-245FA) AND 1,1,2,2,3-PENTAFLUOROPROPANE (HFC- 245CA)
290348
1,1,1,3,3-PENTAFLUOROBUTANE (HFC-365MFC) AND 1,1,1,2,2,3,4,5,5,5-DECAFLUOROPENTANE (HFC-43-10MEE)
290349
OTHER
290351
2,3,3,3-TETRAFLUOROPROPENE (HFO-1234YF), 1,3,3,3-TETRAFLUOROPROPENE (HFO-1234ZE) AND (Z)-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE (HFO-1336MZZ)
290359
OTHER
290361
METHYL BROMIDE (BROMOMETHANE)
290362
ETHYLENE DIBROMIDE (ISO) (1,2-DIBROMOETHANE)
290369
OTHER
290371
CHLORODIFLUOROMETHANE (HCFC-22)
290372
DICHLOROTRIFLUOROETHANES (HCFC-123)
290373
DICHLOROFLUOROETHANES (HCFC-141, 141B)
290374
CHLORODIFLUOROETHANES (HCFC-142, 142B)
290375
DICHLOROPENTAFLUOROPROPANES (HCFC-225, 225CA, 225CB)
290376
BROMOCHLORODIFLUOROMETHANE (HALON-1211), BROMOTRIFLUOROMETHANE (HALON-1301) AND DIBROMOTETRAFLUOROETHANES (HALON-2402):
290377
Other, perhalogenated only with fluorine and chlorine
290378
OTHER PERHALOGENATED DERIVATIVES
290379
other
290381
1,2,3,4,5,6-HEXACHLOROCYCLOHEXANE [HCH (ISO)], INCLUDING LINDANE (ISO, INN)
290382
aldrin (ISO), chlordane (ISO)
290383
MIREX (ISO)
290389
other
290391
CHLOROBENZENE, O-DICHLOROBENZENE AND P-DICHLO- ROBENZENE:
290392
HEXACHLOROBENZENE (ISO) AND DDT (ISO [CLOFENOTANE (INN), 1,1,1-TRICHLORO-2,2-BIS (P-CHLOROPHENYL)ETHANE]:
290393
PENTACHLOROBENZENE (ISO)
290394
HEXABROMOBIPHENYLS
290399
OTHER:
About HSN heading 2903
The 4-digit code 2903 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.