ethyl 8-methyl-6-nitro-4-oxo-chromene-2-carboxylate

[ 密度 ]:
1.404g/cm3

[ 沸点 ]:
444.1ºC at 760 mmHg

[ 分子式 ]:
C₁₃H₁₁NO₆

[ 分子量 ]:
277.23000

[ 闪点 ]:
202.2ºC

[ 精确质量 ]:
277.05900

[ PSA ]:
102.33000

[ LogP ]:
2.70950

[ 折射率 ]:
1.591

[ 海关编码 ]:
2918300090

[ 海关编码 ]: 2918300090

[ 中文概述 ]:
2918300090 其他含醛基或酮基不含其他含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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