HS Code for Biphenyl Disulfonate Additive

What is the HS Code for Biphenyl Disulfonate Additive?

The **HS code for biphenyl disulfonate additive is 3402.90**, classifying it as a surface-active agent in Chapter 34.

Biphenyl disulfonate serves as a key chemical additive in various industries.

• Used in detergents for enhanced cleaning
• Acts as emulsifier in food processing
• Supports petroleum recovery operations
• Found in cosmetic formulations
• Applied in industrial surfactants

Understanding Biphenyl Disulfonate Chemical Properties

**Biphenyl disulfonate is a stable anionic surfactant that reduces surface tension.**

It excels in harsh conditions, making it ideal for detergents and cleaners.

• Molecular stability in high temperatures
• Effective in acidic or alkaline solutions
• Biodegradable options available
• Low toxicity profile

HS Code 3402.90 Breakdown and 2025 Updates

**HS code 3402.90 covers organic surface-active agents, including biphenyl disulfonate additives.**

In 2025, no major WCO changes occur until 2027, but national updates impact classification.

2025 HS Code Changes Affecting Chemical Additives

**Regional HS code changes in 2025 demand precise tariff compliance for biphenyl disulfonate.**

Focus on US, EU, and GCC updates for smooth imports.

• Verify SDS for exact matching
• Check country-specific tariffs
• Prepare for audit documentation

How to Find and Verify HS Code for Biphenyl Disulfonate (Step-by-Step)

**Follow these 5 steps to classify biphenyl disulfonate accurately in 2025.**

1. Review Safety Data Sheet (SDS) for composition
2. Identify primary function: surface-active or additive
3. Match to Chapters 28-38 in HS nomenclature
4. Apply 2025 regional updates
5. Obtain binding customs ruling if unsure

This process ensures tariff compliance and avoids delays.

Common Classification Challenges for Chemical Additives

**Mixed formulations often lead to HS code confusion for biphenyl disulfonate.**

Navigate multiple options with these tips.

• Principal use determines code
• Impurities under 5% ignored
• Country variations in subheadings
• Pre-shipment rulings recommended
• Track WCO guidelines

Tariff Rates and Duties for HS 3402.90 in 2025

**Duty rates for HS 3402.90 vary

2025 changes may increase costs for low-value shipments.

• US: 4.2% general rate
• EU: 0-6.5% depending on origin
• China: 5% base tariff
• Free trade agreements reduce rates

FAQ: HS Code for Biphenyl Disulfonate Additive

Q: **What is the exact HS code for biphenyl disulfonate additive?** A: It is classified under HS code 3402.90 as a surface-active agent.

Q: **Are there 2025 changes to HS 3402.90?** A: No WCO changes, but regional updates like US de minimis affect application.

Q: **How do I confirm classification for mixtures?** A: Analyze SDS and seek a binding customs ruling.

Q: **What documents are needed for HS code verification?** A: SDS, product specs, and commercial invoice suffice.

Q: **Does biphenyl disulfonate qualify for duty relief?** A: Yes, under certain FTAs if origin rules are met.

Q: **Which chapter covers chemical additives like this?** A: Chapter 34 for surface-active agents.

Q: **Is 3824.99 an alternative HS code?** A: Only for non-surface-active mixtures.

Q: **What are GCC requirements for 2025?** A: 12-digit HS codes mandatory from January 1.

Q: **How to avoid customs delays?** A: Pre-classify and include full HS details on paperwork.

Q: **Where to check official HS updates?** A: WCO website or national customs portals.

Resources and Expert Assistance

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