HSN Code 2835
Phosphinates (hypophosphites), phosphonates (phosphites)
Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined
GST rate
Nil
Codes under 2835
| Code | Description | GST rate |
|---|---|---|
| 2835 10 | Phosphinates (hypophosphites) and phosphonates (phosphites): | Nil |
| 2835 10 10 | Calcium hypophosphite | Nil |
| 2835 10 20 | Magnesium hypophosphite | Nil |
| 2835 22 | Mono-or disodium — phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined | Nil |
| 2835 23 00 | Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined - phosphates: of trisodium | Nil |
| 2835 24 | Potassium — phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined | Nil |
| 2835 25 | Calcium hydrogenorthophosphate (dicalcium phosphate) | Nil |
| 2835 26 | Other phosphates of calcium — phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined | Nil |
| 2835 26 10 | Calcium monobasic phosphate | Nil |
| 2835 26 20 | Calcium tribasic phosphate | Nil |
| 2835 29 | Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined › Other | Nil |
| 2835 29 10 | Magnesium phosphate, monobasic | Nil |
| 2835 29 20 | Magnesium phosphate, dibasic | Nil |
| 2835 29 30 | Magnesium phosphate, tribasic | Nil |
| 2835 29 40 | Sodium hexametaphosphate | Nil |
| 2835 31 | Sodium triphosphate (sodium tripoly-phosphate) | Nil |
| 2835 39 | Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined › Other | Nil |
← Chapter 28: Industrial gases and inorganic chemicals
Related HSN codes
Frequently Asked Questions
What is the HSN code for phosphinates (hypophosphites), phosphonates (phosphites)?
The HSN code for phosphinates (hypophosphites), phosphonates (phosphites) is 2835, under Chapter 28 (Industrial gases and inorganic chemicals).
What is the GST rate on phosphinates (hypophosphites), phosphonates (phosphites)?
Phosphinates (hypophosphites), phosphonates (phosphites) is taxed at Nil GST under HSN code 2835.
How many digits of the HSN code go on a GST invoice?
It depends on your turnover in the previous financial year: businesses above ₹5 crore generally show 6 digits (8 for certain specified goods), and smaller businesses show 4 digits on B2B invoices. Check the current e-invoicing/HSN notification for the exact threshold that applies to you.
Rates as per Notification No. 10/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.