4,4-二氨基-1,1-联苯-3,3-二羧酸

4,4-二氨基-1,1-联苯-3,3-二羧酸

2-amino-5-(4-amino-3-carboxyphenyl)benzoic acid

2130-56-5

C14H12N2O4

272.25600

126.64000

3.07680

272.08000

1.724

291.1ºC

2.83E-13mmHg at 25°C

通风低温干燥

1.476g/cm3

557.7ºC at 760 mmHg

2922499990

品名, 成分含量, 用途, 乙醇胺及其盐应报明色度, 乙醇胺及其盐应报明包装

A.入境货物通关单
B.出境货物通关单

P.进境动植物、动植物产品检疫
Q.出境动植物、动植物产品检疫
R.进口食品卫生监督检验
S.出口食品卫生监督检验
M.进口商品检验
N.出口商品检验

2922499990 其他氨基酸及其酯及它们的盐（含有一种以上含氧基的除外）. 增值税率:17.0% 退税率:9.0% 监管条件:AB(入境货物通关单,出境货物通关单) 最惠国关税:6.5% 普通关税:30.0%

HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%