N,N'-Bis(trimethylsilyl) urea; 3-(Hydroxymethylphosphinyl)-1-propanoic acid, 2-hydroxyethyl ester; and 2-Phosphonobutane-1,2,4-tricarboxylic acid and its salts

2931907000 · HS编码结构

29 31 90 70 00
Chapter 2-digit
Heading 4-digit
Subheading 6-digit
Stat. Suffix 8-digit
N,N'-Bis(trimethylsilyl) urea; 3-(Hydroxymethylphosphinyl)-1-propanoic acid, 2-hydroxyethyl ester; and 2-Phosphonobutane-1,2,4-tricarboxylic acid and its salts

最后2位为附加码

基本信息
HTS Number
2931907000
编码状态
正常
更新日期
2026-01-12
Description
N,N'-Bis(trimethylsilyl) urea; 3-(Hydroxymethylphosphinyl)-1-propanoic acid, 2-hydroxyethyl ester; and 2-Phosphonobutane-1,2,4-tricarboxylic acid and its salts
Unit
kg
Rate of Duty
General Free
Special
Column 2 25%
Quota Quantity
Additional Duties