3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid

31232-21-0

C10H9NO8S2

335.31000

191.98000

3.06940

334.97700

1.796

1.993g/cm3

2922299090

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

2922299090. 其他氨基(萘酚、酚)及醚、酯〔包括它们的盐, 但含有一种以上含氧基的除外〕. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0%

2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

2922299090. Other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. General tariff:6.5%