HSN Codes · Chapter 29: Organic Chemicals

HSN Code 291829

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — other

Typical GST rate

Varies

Depends on sub-classification

Type

Goods

HSN classification

Code level

6-digit

Sub-heading

Reading code 291829

The first two digits (29) place this code in chapter 29 — Organic Chemicals. Heading 2918 groups the product family, and the remaining digits pin down this specific 6-digit classification. Remember: you can never invent a shorter code by truncating a longer one — only codes that exist in the official tariff are valid.

Bulk organic chemicals and intermediates, including the API building blocks of India's pharmaceutical industry.

Parent heading

2918 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives

More specific codes under 291829

  • 29182910 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — other — gallic acid
  • 29182920 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — other — beta hydroxy napthoic acid
  • 29182930 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — other — propyl gallate
  • 29182990 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — other — other

Related codes in heading 2918

  • 291811 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — lactic acid, its salts and esters
  • 291812 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — tartaric acid
  • 291813 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — salts and esters of tartaric acid
  • 291814 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — citric acid
  • 291815 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — salts and esters of citric acid
  • 291816 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — gluconic acid, its salts and esters
  • 291817 — 2, 2-diphenyl-2-hydroxyacetic acid (benzilic acid)
  • 291818 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — chlorobenzilate (iso)
  • 291819 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — other
  • 291821 — Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives — salicylic acid and its salts

Frequently asked questions

The GST rate under 291829 depends on the specific item and applicable notifications. Check the classification with our HSN code finder and confirm the rate before invoicing.
Businesses with annual aggregate turnover of ₹5 crore or more must report at least 6 digits on e-invoices and e-way bills; below ₹5 crore, 4 digits is the B2B minimum. Exports require 8 digits.
Every line item on a GST tax invoice carries its HSN code alongside the description, quantity, taxable value, and tax breakup. The code also flows into your GSTR-1 HSN summary and e-way bills.

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