HSN Classification

HSN 39112000 - POLY (1,3-PHENYLENE METHYLPHOSPHONATE)

Classification level: Detailed classification. Use this as a GST code-reference page and confirm rate/exemption treatment from current notifications before final filing.

Code details

Code Type: HSN
Code: 39112000
Official Description: POLY (1,3-PHENYLENE METHYLPHOSPHONATE)

Tax guide notes

- GST rate is not embedded in HSN/SAC master data. Confirm the latest rate from GST rate notifications and official CBIC schedules.
- Invoice accuracy matters: use the code that best matches the principal supply description to reduce notices and mismatch risk.
- If supplies include both goods and services, document the dominant nature of supply before selecting HSN/SAC.

Compliance checklist

- Keep product/service description on invoice aligned with the selected HSN/SAC code.
- Review code selection whenever scope of work or product mix changes.
- Cross-check applicable GST rate, exemptions, and reverse-charge conditions before filing returns.

Related codes

HSN

3911

PETROLEUM RESINS, COUMARONE-INDENE RESINS, POLYTERPENES, POLYSULPHIDES, POLYSULPHONES AND OTHER PRODUCTS SPECIFIED IN NOTE 3 TO THIS CHAPTER, NOT ELSEWHERE SPECIFIED OR INCLUDED, IN PRIMARY FORM

HSN

391110

PETROLEUM RESINS, COUMARONE-INDENE OR COUMARONE, INDENE RESINS AND POLYTERPENES:

HSN

391120

POLY (1,3-PHENYLENE METHYLPHOSPHONATE)

OTHER :

COUMARONE-INDENE RESINS