7-羟基-2,2,8-三甲基-2,3-二氢-4H-苯并吡喃-4-酮

7-羟基-2,2,8-三甲基-2,3-二氢-4H-苯并吡喃-4-酮

7-hydroxy-2,2,8-trimethyl-3H-chromen-4-one

50544-72-4

C12H14O3

206.23800

46.53000

2.44440

206.09400

1.547

144.4ºC

181ºC

1.165 g/cm3

369.2ºC at 760 mmHg

2932999099

R36/37/38

S26; S36/37/39

Xi

品名, 成分含量, 用途

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%

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%