HS Code for Carboxymethyl Cellulose (3912.31) 2025 Guide
TL;DR: Discover the 2025 HS code for carboxymethyl cellulose (3912.31), unchanged base code amid regional shifts like GCC 12-digit HS codes, EU updates, and US HTS mandates. Essential guide for tariff compliance, classification tips, applications, and e-commerce shipping in 2025.
What is the exact HS code for carboxymethyl cellulose in 2025?
The HS code for carboxymethyl cellulose remains 3912.31 in 2025, classifying it under Chapter 39 for plastics and cellulose derivatives.
This 6-digit code covers carboxymethylcellulose and its salts in primary forms, per World Customs Organization (WCO) standards.
No global HS revision until 2027, but national tariff schedules evolve.
| HS Level | Code | Description | 2025 Status |
|---|
| Chapter | 39 | Plastics and articles thereof | Stable |
| Heading | 3912 | Cellulose derivatives, primary forms | Stable |
| Subheading | 3912.31 | Carboxymethylcellulose and salts | Unchanged |
| National | 3912.31.xx | Regional extensions | Check updates |
2025 HS code changes affecting carboxymethyl cellulose shipments
Regional 2025 HS code changes impact tariff compliance beyond the stable 3912.31 base code.
- GCC countries adopt 12-digit HS codes from Jan 1, 2025 (Saudi Arabia, UAE, etc.)
- US mandates 10-digit HTS for all imports starting Sep 1, 2025
- EU Combined Nomenclature refines subheadings for chemical mixtures
- China updates tariff schedules with stricter purity classifications
- UK post-Brexit aligns with new 12-digit extensions
These shifts demand verified national codes for carboxymethyl cellulose imports.
Why precise HS code classification is crucial for 2025 trade
Accurate HS code 3912.31 classification avoids penalties and delays in 2025.
- Calculates exact customs duties and VAT
- Ensures compliance with import regulations
- Unlocks preferential trade agreement rates
- Prevents shipment seizures or fines up to 100% of value
- Streamlines e-commerce cross-border logistics
Key properties of carboxymethyl cellulose for HS classification
Understanding carboxymethyl cellulose properties aids correct HS code selection.
- Anionic water-soluble polymer derived from cellulose
- High viscosity and thickening power
- Excellent water retention and binding
- pH stable from 2-12
- Biodegradable and hypoallergenic
Main applications of carboxymethyl cellulose by industry
Carboxymethyl cellulose applications influence potential HS sub-classifications.
- Food industry: E466 thickener in ice cream, bakery glazes
- Pharmaceuticals: Binder in tablets, suspension stabilizer
- Personal care: Thickener in shampoos, toothpaste gels
- Oil & gas: Drilling mud viscosifier
- Paper & textiles: Sizing and coating agent
Common classification challenges for carboxymethyl cellulose HS code
HS code challenges for carboxymethyl cellulose persist in 2025 due to variations.
- Degree of substitution (DS) affecting purity grades
- Powder vs. gel forms requiring form-specific rules
- Mixtures with other chemicals shifting to composite headings
- End-use declarations impacting tariff treatment
- 2025 regional extensions like GCC 12-digit codes
How to find and verify HS code for carboxymethyl cellulose in 2025: Step-by-step
This step-by-step guide ensures tariff compliance 2025 for carboxymethyl cellulose.
- Identify base material: Confirm cellulose derivative under Chapter 39
- Select heading 3912 for primary forms, not finished articles
- Choose 3912.31 for carboxymethylcellulose and salts
- Verify national tariff: Check US HTS, EU TARIC, or GCC schedules
- Validate with WCO Explanatory Notes and binding rulings
- Document specifications: Include purity, form, and SDS
2025 tariff rates examples for HS code 3912.31 carboxymethyl cellulose
Sample 2025 tariff rates vary by origin and destination for 3912.31.
2025 Tariff Examples for Carboxymethyl Cellulose (3912.31) | Import To | From China | From EU | From USA | Notes |
|---|
| USA | 6.5% | 0% (FTA) | - | HTS mandatory Sep 2025 |
| EU | 6.5% | - | 0% | TARIC refinements |
| GCC | 5% | 5% | 5% | 12-digit from Jan 1 |
| China | - | 3% | 2.5% | Updated schedules |
FAQ: HS Code for Carboxymethyl Cellulose 2025
What is the 2025 HS code for carboxymethyl cellulose?
3912.31 covers carboxymethylcellulose and its salts in primary forms globally.
Has the HS code for carboxymethyl cellulose changed in 2025?
No, the base 6-digit code 3912.31 remains stable until 2027 WCO revision.
How do GCC 12-digit HS codes affect carboxymethyl cellulose in 2025?
GCC countries extend 3912.31 to 12 digits from Jan 1, 2025 for precise duties.
What is the US HTS code for carboxymethyl cellulose 2025?
US requires 10-digit HTS extension of 3912.31 mandatory from Sep 1, 2025.
Does carboxymethyl cellulose mixture change the HS code?
Yes, mixtures may classify under composite headings based on principal function.
Where to verify HS code 3912.31 for 2025 tariffs?
Use official national tariff databases like US ITC, EU TARIC, or WCO tools.
Is carboxymethyl cellulose food grade a different HS code?
No, purity grades fall under 3912.31; end-use declared separately.
What documents prove correct HS classification for CMC?
Include SDS, invoice specs, and manufacturer certifications for customs.
Are there 2025 duty reductions for HS 3912.31?
Check FTAs like USMCA or EU-China agreements for preferential rates.
Resources for 2025 HS Code Compliance
For additional HS code support and shipping tools, consider options like FreightAmigo platform.
- Book a Demo: Book a Demo
- Contact: HKG +852 24671689, CHN +86 4008751689, USA +1 337 361 2833, GBR +44 808 189 0136, AUS +61 1800027525, Email: enquiry@freightamigo.com
.
Express
Document
Parcel - Air/Sea
Container
Relocation
