2918CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS, THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES
HSN heading 2918 falls under Chapter 29 — organic chemicals. It breaks down into 16 sub-codes listed below.
Sub-codes under 2918 (16)
291811
LACTIC ACID, ITS SALTS AND ESTERS :
291812
TARTARIC ACID
291813
SALTS AND ESTERS OF TARTARIC ACID :
291814
CITRIC ACID
291815
SALTS AND ESTERS OF CITRIC ACID :
291816
GLUCONIC ACID, ITS SALTS AND ESTERS :
291817
2, 2-DIPHENYL-2-HYDROXYACETIC ACID (BENZILIC ACID)
291818
CHLOROBENZILATE (ISO)
291819
OTHER:
291821
SALICYLIC ACID AND ITS SALTS :
291822
O-ACETYLSALICYLIC ACID, ITS SALTS AND ESTERS
291823
OTHER ESTERS OF SALICYLIC ACID AND THEIR SALTS :
291829
OTHER :
291830
CARBOXYLIC ACIDS WITH ALDEHYDE OR KETONE FUNCTION BUT WITHOUT OTHER OXYGEN FUNCTION, THEIR ANHYDRIDES, HALIDES, PEROXIDES,PEROXYACIDS AND THEIR DERIVATIVES:
291891
2, 4, 5-T(ISO) (2, 4, 5-TRICHLOROPHENOXYACETIC ACID), ITS SALTS AND ESTERS
291899
OTHER:
About HSN heading 2918
The 4-digit code 2918 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.