HSN Codes · Chapter 29: Organic Chemicals

HSN Code 29310053

Organic Chemicals — other organo-inorganic compounds — other organo-inorganic compounds — phosphonic acid,methyl,dimethyl ester

Typical GST rate

Varies

Depends on sub-classification

Type

Goods

HSN classification

Code level

8-digit

Tariff item

Reading code 29310053

The first two digits (29) place this code in chapter 29 — Organic Chemicals. Heading 2931 groups the product family, and the remaining digits pin down this specific 8-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

2931 — Organic Chemicals — other organo-inorganic compounds

Related codes in heading 2931

  • 29310010 — Other organo-inorganic compounds - other organo-inorganic compounds : organo-mercury compounds
  • 29310041 — Organic Chemicals — other organo-inorganic compounds — other organo-inorganic compounds — phosphonic acid,methyl -
  • 29310042 — Organic Chemicals — other organo-inorganic compounds — other organo-inorganic compounds — phosphonic acid,ethyl
  • 29310043 — Organic Chemicals — other organo-inorganic compounds — other organo-inorganic compounds — phosphonic acid,propyl
  • 29310044 — Organic Chemicals — other organo-inorganic compounds — other organo-inorganic compounds — phosphinic acid,methyl-
  • 29310051 — Phosponic acide,[methyl-(5-ethyl-2-methyl 2-oxido- 1,3,2-dioxaphosphorinan-5-yl) methyl]ester
  • 29310052 — Phosphonic acide,[methyl-bis (5-ethyl-2-methyl 2-oxido- 1,3,2-dioxaphosphorinan-5-yl) methyl] ester
  • 29310054 — Organic Chemicals — other organo-inorganic compounds — other organo-inorganic compounds — phosphonic acid propyl dimethyl ester
  • 29310055 — Organic Chemicals — other organo-inorganic compounds — other organo-inorganic compounds — phosphonic acid ethyl-diethyl ester
  • 29310056 — Organic Chemicals — other organo-inorganic compounds — other organo-inorganic compounds — phosphonochloridic acid methyl-,methyl ester

Frequently asked questions

The GST rate under 29310053 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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