3-Amino-2,7-naphthalenedisulfonic acid; 4-Amino-1-naphthalenesulfonic acid, sodium salt; 5-Amino-1-naphthalenesulfonic acid (Laurent's acid); 8-Amino-2-naphthalenesulfonic acid and its salts; 7-Amino-1,3,6-naphthalenetrisulfonic acid; 8-Anilino-1-naphthalenesulfonic acid (Phenyl Peri acid) and its salts; andN-Ethyl-1-naphthylamine

29 Amine-function compounds · Cyclanic, cyclenic or cycloterpenic mono- or polyamines, and their derivatives; salts thereof: · 1-Naphthylamine (α-Naphthylamine), 2-Naphthylamine (β-Naphthylamine), and their derivatives; salts thereof: · 3-Amino-2,7-naphthalenedisulfonic acid; 4-Amino-1-naphthalenesulfonic acid, sodium salt; 5-Amino-1-naphthalenesulfonic acid (Laurent's acid); 8-Amino-2-naphthalenesulfonic acid and its salts; 7-Amino-1,3,6-naphthalenetrisulfonic acid; 8-Anilino-1-naphthalenesulfonic acid (Phenyl Peri acid) and its salts; andN-Ethyl-1-naphthylamine

2921.45.20.00 3-Amino-2,7-naphthalenedisulfonic acid; 4-Amino-1-naphthalenesulfonic acid, sodium salt; 5-Amino-1-naphthalenesulfonic acid (Laurent's acid); 8-Amino-2-naphthalenesulfonic acid and its salts; 7-Amino-1,3,6-naphthalenetrisulfonic acid; 8-Anilino-1-naphthalenesulfonic acid (Phenyl Peri acid) and its salts; andN-Ethyl-1-naphthylamine

来源: USITC HTS Federal Register 公告方法

估算落地税额

合计税率

30.8%

估算税额

US$3,080

基于 US$10,000 货值估算

税率截至 2026HTSRev6

关税组成	税率	估算金额 (USD)
MFN 基础税率（HTS）	5.8%	US$580.00
Section 301 — 中国	25%	US$2,500.00
商品处理费 MPF（估算）	0.3464%	US$34.64
AD/CVD 观察	—	不适用

产地对比

产地	合计税率	估算税额 (USD)
China 当前	30.8%	US$3,080
IE	5.8%	US$580
CH	5.8%	US$580
Singapore	5.8%	US$580
India	5.8%	US$580
Canada	5.8%	US$580

查看完整产地对比 →

AD/CVD 观察

该 HTS 暂无匹配的 AD/CVD 现行命令。

查看详情与 scope →

后续动作

为什么这个结果有用

可追溯到来源

链接 USITC HTS、Federal Register 公告与可复核的方法说明。

按 release 版本化

税率反映最近的 Federal Register 更新（2026HTSRev6）。

问过 AI 之后还能用

提供可执行的 HTS、heading 路径与税率叠加分解。