HSN code 31031100 is
a 8-digit Harmonized System of Nomenclature (HSN) code used in India for GST classification.
It covers: Containing by weight 35 % or more of diphosphorus pentaoxide (p2o5).
This code falls under Chapter 31
(Fertilisers) of the Indian GST tariff.
The applicable GST rate is 5%
(CGST 2.5% + SGST 2.5% for intra-state, or IGST 5% for inter-state transactions).
Who needs this code? Any GST-registered business supplying
goods classified under this
HSN code must quote it on their tax invoices.
Turnover above ₹5 crore requires 6-digit codes;
exporters must use 8-digit HSN codes.
Frequently Asked Questions
What is HSN code 31031100?
HSN 31031100 refers to: Containing by weight 35 % or more of diphosphorus pentaoxide (p2o5). It belongs to Chapter 31 (Fertilisers) of the GST tariff.
What is the GST rate for HSN code 31031100?
The GST rate for HSN code 31031100 is 5% — CGST 2.5% + SGST 2.5% for intra-state, or IGST 5% for inter-state supply.
Is HSN code 31031100 mandatory on invoices?
Yes. If your business supplies goods/services under this code, you must quote the HSN/SAC code on GST invoices. Businesses with turnover below ₹5 crore use 4-digit HSN; above ₹5 crore use 6-digit; exporters use 8-digit.
What chapter does HSN code 31031100 belong to?
HSN code 31031100 belongs to Chapter 31 of the GST tariff, which covers Fertilisers.
