38322-76-8

• 常用中文名：ethyl 8-methyl-6-nitro-4-oxo-chromene-2-carboxylate
• 常用英文名：ethyl 8-methyl-6-nitro-4-oxo-chromene-2-carboxylate
• CAS号：38322-76-8
• 分子式：C₁₃H₁₁NO₆
• 分子量：277.23000
• 发布时间：2016-05-10 06:22:33
• 更新时间：2024-09-30 16:29:37

名称

• 英文名: ethyl 8-methyl-6-nitro-4-oxochromene-2-carboxylate
• 英文别名: Ethyl 8-methyl-6-nitro-4-oxo-4H-1-benzopyran-2-carboxylate; 4H-1-Benzopyran-2-carboxylic acid,8-methyl-6-nitro-4-oxo-,ethyl ester; 8-methyl-6-nitro-4-oxo-4H-chromene-2-carboxylic acid ethyl ester; ethyl 8-methyl-6-nitro-4-oxo-4h-chromene-2-carboxylate; ETHYL 8-METHYL-6-NITRO-4-OXO-CHROMENE-2-CARBOXYLATE

物化性质

• 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

安全

• 海关编码: 2918300090

海关

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%