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2H-1-Benzopyran,5,8-dimethoxy-2,2-dimethyl-

2H-1-Benzopyran,5,8-dimethoxy-2,2-dimethyl-


  • 中文别名:5,8-二甲氧基-2,2-二甲基-2H-色烯
  • 中文释义:5,8-二甲氧基-2,2-二甲基-2H-色烯
  • 英文别名:5,8-dimethoxy-2,2-dimethylchromene;
    5,8-dimethoxy-2,2-dimethyl-2h-chromene;
    2,2-dimethyl-5,8-dimethoxy-2H-1-benzopyrane;
    2,2-dimethyl-5,8-dimethoxychromene;
    2H-1-Benzopyran,5,8-dimethoxy-2,2-dimethyl 
  • CAS No.:113949-29-4
  • 分子式:C13H16O3
  • 分子量:220.2643
  • 精确分子量:220.11000
  • PSA:27.69000
  • InChI:The Key: SZTFORJKIVHMFP-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.063g/cm3
沸点:
328.1ºC at 760mmHg
闪点:
110ºC
折射率:
1.513
蒸汽压:
0.00037mmHg at 25°C

安全信息

密度:
1.063g/cm3
沸点:
328.1ºC at 760mmHg
闪点:
110ºC
折射率:
1.513
蒸汽压:
0.00037mmHg at 25°C

海关数据

中国海关编码:2909199090

概述:
2909199090. 其他无环醚及其卤化衍生物(包括磺化,硝化或亚硝化衍生物). 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:5.5%. 普通关税:30.0%
申报要素:
品名, 成分含量, 用途
摘要/Summary:
2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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