4H-Pyran-4-one, 3,5-dihydroxy-2-methyl-

4H-Pyran-4-one, 3,5-dihydroxy-2-methyl-名称

[ CAS 号 ]:
1073-96-7

[ 英文名 ]:
4H-Pyran-4-one, 3,5-dihydroxy-2-methyl-

[英文别名 ]:

5-Hydroxymaltol
3,5-dihydroxy-2-methyl-pyran-4-one
3,5-Dihydroxy-2-methyl-4H-pyran-4-one
5-oxymaltol
4H-Pyran-4-one,3,5-dihydroxy-2-methyl
2-methyl-3,5-dihydroxy-4H-pyran-4-one
3,5-Dihydroxy-2-methyl-4-pyrone

4H-Pyran-4-one, 3,5-dihydroxy-2-methyl-物理化学性质

[ 密度 ]:
1.605g/cm3

[ 沸点 ]:
346.2ºC at 760 mmHg

[ 分子式 ]:
C₆H₆O₄

[ 分子量 ]:
142.10900

[ 闪点 ]:
154.5ºC

[ 精确质量 ]:
142.02700

[ PSA ]:
70.67000

[ LogP ]:
0.35940

[ 蒸汽压 ]:
3.66E-06mmHg at 25°C

[ 折射率 ]:
1.639

4H-Pyran-4-one, 3,5-dihydroxy-2-methyl-安全信息

[ 海关编码 ]:
2932999099

4H-Pyran-4-one, 3,5-dihydroxy-2-methyl-合成路线

详细合成路线

4H-Pyran-4-one, 3,5-dihydroxy-2-methyl-上下游产品

4H-Pyran-4-one, 3,5-dihydroxy-2-methyl-上游产品

4H-Pyran-4-one, 3,5-dihydroxy-2-methyl-下游产品

4H-Pyran-4-one, 3,5-dihydroxy-2-methyl-海关

[ 海关编码 ]: 2932999099

[ 中文概述 ]:
2932999099. 其他仅含氧杂原子的杂环化合物. 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:20.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%