HS Code for Potassium Polyphosphate 2025
**TL;DR:** Discover the exact HS code for potassium polyphosphate (2835.39) in 2025, including regional updates, classification steps, and compliance tips for tariff savings. Free 5-step guide + FAQ.
The **HS code for potassium polyphosphate** remains critical for 2025 tariff compliance in global trade. This inorganic chemical, used in water treatment and food additives, falls under HS 2835.39 amid 2025 customs shifts like US HTS mandates and GCC expansions.
What Is the HS Code for Potassium Polyphosphate?
**HS 2835.39** classifies potassium polyphosphate in the 2025 Harmonized System.
- Chapter 28: Inorganic chemicals and compounds
- Heading 2835: Phosphinates, phosphonates, phosphates, polyphosphates
- Subheading 2835.39: Other polyphosphates
- Valid through WCO HS 2022 edition (no major revision until 2027)
- National extensions add 4-6 digits for duties
Properties of Potassium Polyphosphate
**Potassium polyphosphate (KPO3)n** is a water-soluble salt with versatile applications.
- Acts as scale inhibitor in water treatment
- Serves as detergent builder and emulsifier
- Approved as food additive E452(i)
- Used in flame retardants for ceramics and textiles
- CAS Number: 24941-06-4 (key for classification)
HS Code 2835.39 Breakdown Table
**Confirm HS 2835.39 for potassium polyphosphate** with this 2025 hierarchy.
| HS Level | Code | Description | 2025 Notes |
| Chapter | 28 | Inorganic chemicals | Unchanged |
| Heading | 2835 | Phosphates & polyphosphates | Refined subheadings in EU |
| Subheading | 2835.39 | Other polyphosphates | Potassium variants here |
| Example National | 2835.39.1000 | US HTS | Mandatory Sep 2025 |
2025 HS Code Changes Impacting 2835.39
**Regional HS code updates 2025** affect potassium polyphosphate shipments.
Combined Nomenclature 2025 | Region | 2025 Change | Impact on HS 2835.39 |
| USA | HTS mandatory for all parcels Sep 1 | 10-digit code required |
| GCC | 12-digit HS from Jan 1 | Chemicals like polyphosphates refined |
| EU | Updated chemical descriptions |
| Global | De minimis thresholds tightening | E-commerce duties on chemicals |
How to Find HS Code for Potassium Polyphosphate: 2025 Guide
**Follow this 5-step process** to classify potassium polyphosphate HS code accurately in 2025.
- Identify chemical formula and purity: Confirm (KPO3)n, CAS 24941-06-4
- Use WCO HS lookup: Search "polyphosphates" in official tool
- Match Heading 2835: Phosphates and polyphosphates section
- Select 2835.39: Other polyphosphates (excl. sodium)
- Add national digits: E.g., US 2835.39.5000 for potassium salts
Common HS Code Errors for Polyphosphates
**Misclassifying potassium polyphosphate** leads to 2025 compliance risks.
- Confusing with 2833 (phosphates of metal)
- Ignoring purity levels for subheadings
- Using outdated 2017 HS editions
- Skipping national extensions
- E-commerce low-value exemptions ending
Penalties for Wrong HS Code 2025
**HS code errors on potassium polyphosphate** incur steep costs.
- Duty overpayments: 10-30% extra
- Fines: $500-$10,000 per shipment
- Delays: 7-21 days in clearance
- Repeat offenses: Import bans
- 2025 audits rising post-de minimis changes
2025 Case Study: HS 2835.39 Savings
**Chemical exporter saved $45K** using correct HS code for potassium polyphosphate to GCC.
- Previous: Wrong 2833 code (22% duty)
- Corrected: 2835.39 (4% duty)
- Volume: 20MT annually
- Clearance: Reduced from 12 to 2 days
- Tool used: WCO HS + national lookup
Shipping Potassium Polyphosphate Best Practices 2025
**Ensure safe, compliant transport** of potassium polyphosphate under HS 2835.39.
- Packaging: UN-approved fiber drums (4G)
- Labeling: Class 9 if applicable + HS code
- Documents: SDS, CoA, commercial invoice
- Carriers: IATA/ADR certified
- Insurance: All-risk coverage recommended
Frequently Asked Questions: HS Code for Potassium Polyphosphate
**Quick answers** to top 2025 queries on potassium polyphosphate HS code.
Q1: What is the HS code for potassium polyphosphate? A1: HS 2835.39 for other polyphosphates.
Q2: Has HS 2835.39 changed in 2025? A2: No WCO change; national extensions updated.
Q3: What is the US HTS code for it? A3: 2835.39.5000 for potassium polyphosphate.
Q4: Is it different for food-grade? A4: Same HS 2835.39; purity noted in docs.
Q5: EU TARIC code for 2025? A5: 2835 39 00 with CN refinements.
Q6: Impacts of 2025 de minimis changes? A6: Full HS declaration required for all values.
Q7: How to verify HS code accuracy? A7: Use WCO tool + national customs portals.
Q8: Common misclassification? A8: With 2833 phosphates; check polymer chain.
Q9: GCC 12-digit code example? A9: 2835.39.00.00.00 for polyphosphates.
Q10: Validity period for HS 2022? A10: Valid until 2027 WCO revision.
Resources & Tools
Master HS code for potassium polyphosphate** with these 2025 references.
- WCO HS Nomenclature (official source)
- USITC HTS Search
- EU TARIC Consultation
For hands-on support with 2025 tariff compliance, Book a Demo. Contact: HK +852 24671689, CHN +86 4008751689, USA +1 337 361 2833, Email: enquiry@freightamigo.com.