chromene-2,4-dione
- 中文名称:
- chromene-2,4-dione
- 中文别名:
- chromene-2,4-dione
- 英文名称:
- chromene-2,4-dione
- 英文别名:
- chromene-2,4-dione;
2,4-chromanedione;
2-hydroxy-chromen-4-one;
2,4-chromandione;
4-hydroxy-chromen-2-one;
chroman-2,4-dione
- CAS No.:
- 4438-85-1
- 分 子 式:
-
C9H6O3
- 分 子 量:
- 162.14200
- 精确分子量:
- 162.03200
- PSA:
- 43.37000
- InChI:
- The Key: BQLSCAPEANVCOG-UHFFFAOYSA-N3
- 分子结构式:
-

- SDS:
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chromene-2,4-dione 海关数据
中国海关编码:2932999099
- 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
- 摘要/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%