百科

3,4-二氢-2H-吡喃

3,4-二氢-2H-吡喃

CAS号：110-87-2

英文名：Dihydropyran

分子式：C5H8O

分子量：84.1164

海关数据

申报要素

海关编码

2932999099

申报要素

品名, 成分含量, 用途

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%

海关数据

时间(年-月)	进口		出口
时间(年-月)	进口总量(kg)	进口总额(美元)	出口总量(kg)	出口总额(美元)
2008-12			172900	1808134
2008-11			293940	2990932
2008-10			65321	622514
2008-09			343360	3425445
2008-08			16330	155524
2008-07			281310	2651774
2008-06			303120	2878514
2008-05			384140	3639096
2008-04			251860	2395926
2008-03			100	4019
2008-02			36109	352428
2008-01			180	1862
2007-12			610	116611
2007-11			460	89163
2007-10			390	74529
2007-09			200	38732
2007-07			5000	116143
2007-06			3000	27900
2007-05			25	310
2007-04			7100	172463
2007-03			2	5500
2007-02			500	91101
2007-01			430	16199

上游原料

2-甲基-2-己醇苯酸甲酯 3-chloro-2-ethoxy-tetrahydro-pyran 4-溴萘酚甲缩醛 4-戊炔-1-醇 3-chloro-2-methoxyoxane 2-甲氧基四氢吡喃四氢吡喃丙烯醛 pentyl-tetrahydropyran-2-yl-amine 2,3-二氢呋喃戊醛 2,3-Dihydrooxepin lithium,2,3,4,6-tetrahydropyran-6-ide 四氢呋喃 2-乙氧基-3,4-二氢吡喃四氢糠醇异丁基溴化镁 ethene 异戊二烯烯丙基醚 3-chlorotetrahydropyran 呋喃 tetrahydro-2H-pyran-2-ylium 异丙基溴化镁 6-methoxy-3,6-dihydro-2H-pyran tetrahydro-2-[(pent-3-ynyl)oxy]-2H-pyran 5-chloro-3,4-dihydro-2H-pyran 2-(2,4,6-trimethylphenoxy)oxane 苯酚

下游产品

5,6-二氢-2H-吡喃-2-酮四氢-2H-吡喃-2-羧酸乙酯 4-戊炔-1-醇顺-4-癸烯-1-醇 2-(3-methylphenoxy)oxane 2-(2,2-diphenylhex-5-enoxy)oxane (3R)-3-甲基-4-[(四氢-2H-吡喃-2-基)氧基]-丁腈 (2S)-oxane-2-carboxylic acid ethyl 9-(oxan-2-yloxy)non-2-enoate 1-phenylpentane-1,5-diol 5-溴-1-戊醇 5-(oxan-2-yloxy)pent-3-yn-2-ol 2-(3-bromoprop-2-ynoxy)oxane 3β-(2-tetrahydropyranyloxy)-androst-5-ene-7,17-dione 2-[4-(1,3-dithian-2-yl)butoxy]oxane benzoic acid,2-methyl-3-(oxan-2-yloxy)propan-1-ol 2-(1-phenylethoxy)oxane 5,6-二氢-4H-吡喃-2-甲腈 2-羟基-4-(四氢吡喃-2-基氧基)苯乙酮 4-oxobutyl formate 2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]oxane methyl 4-(oxan-2-yloxy)benzoate 3-butenyl formate 3-溴四氢-2H-吡喃-2-甲腈 N-[2-(oxan-2-yloxy)ethyl]-2-[2-[2-(oxan-2-yloxy)ethylamino]-2-oxoethyl]sulfonylacetamide delta-戊内酯 2,3-二氢-5-三氟乙酰基吡喃 2,3-二氢-吡喃-5-羧酸 2-(4-氯丁氧基)四氢吡喃 3-(1-三苯甲游基-1H-咪唑-4-基)丙烷-1-醇 2-(4-phenylmethoxybutoxy)oxane 2-[(3,4-dimethoxyphenyl)methoxy]oxane 2-环戊烯-1-醇雄甾-3,5二烯-7,17-二酮 3-(5-氟-1H-3-吲哚)-1-丙醇 (3R)-3-(oxan-2-yloxy)butanoic acid 4-戊烯-1-醇 2-(tert.butylperoxy)-3,4-dihydropyran 2-(3-iodophenoxy)oxane 3-hexyl-4-[2-(oxan-2-yloxy)tridecyl]oxetan-2-one 2-(2-氯乙氧基)四氢-2H-吡喃 2-碘-1-(四氢-2H-吡喃-2-基)-1H-咪唑 1-(3,4-dihydro-2H-pyran-4-yl)-1,2-diphenylhydrazine 5,6-二氢-4H-吡喃-2-甲酸糠基四氢吡喃基腺嘌呤; N-糠基-9-四氢吡喃-2-基-9H-嘌呤-6-胺吲哚-3-丙醇 12-(oxan-2-yloxy)dodecanal 2-decoxyoxane 1-溴-8-(四氢吡喃氧基)辛烷