10138-44-0

• 常用中文名：2H-Pyran,2-ethoxy-3,4-dihydro-4-methyl-
• 常用英文名：2H-Pyran,2-ethoxy-3,4-dihydro-4-methyl-
• CAS号：10138-44-0
• 分子式：C₈H₁₄O₂
• 分子量：142.19600
• 发布时间：2017-02-23 18:50:18
• 更新时间：2024-01-15 10:16:55

名称

• 英文名: 2-ethoxy-4-methyl-3,4-dihydro-2H-pyran
• 英文别名: 2H-Pyran,2-ethoxy-3,4-dihydro-4-methyl; 2H-Pyran,4-dihydro-4-methyl; opt. Inakt. 2-Ethoxy-4-methyl-3.4-dihydro-2H-pyran; 2-Ethoxy-4-methyl-3,4-dihydropyran; 2-ethoxy-2,3-dihydro-4-methyl-4H-pyran; 2H-Pyran,3,4-dihydro-2-ethoxy-4-methyl; 2-Ethoxy-4-methyl-2,3-dihydro-4H-pyran; 2-Aethoxy-4-methyl-3,4-dihydro-2H-pyran

物化性质

• 密度: 0.95g/cm3
• 沸点: 184.8ºC at 760mmHg
• 分子式: C₈H₁₄O₂
• 分子量: 142.19600
• 闪点: 58.3ºC
• 精确质量: 142.09900
• PSA: 18.46000
• LogP: 1.91910
• 蒸汽压: 0.986mmHg at 25°C
• 折射率: 1.453

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : UP9100000 CHEMICAL NAME : 2H-Pyran, 2-ethoxy-3,4-dihydro-4-methyl- CAS REGISTRY NUMBER : 10138-44-0 LAST UPDATED : 199806 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C8-H14-O2 MOLECULAR WEIGHT : 142.22 WISWESSER LINE NOTATION : T6O BUTJ D1 FO2 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : Standard Draize test ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit REFERENCE : 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,803,1986 TYPE OF TEST : Standard Draize test ROUTE OF EXPOSURE : Administration into the eye SPECIES OBSERVED : Rodent - rabbit REFERENCE : 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,803,1986 ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 3400 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 10,61,1954 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 1060 uL/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 10,61,1954

安全

• 海关编码: 2932999099

合成路线

109-92-2 123-73-9 ~99% 10138-44-0

文献：Jenner, Gerard; Salem, Ridha Ben New Journal of Chemistry, 2000 , vol. 24, # 4 p. 203 - 207

123-73-9 109-92-2 ~% 10138-44-0

文献：Snider, Barry B.; Phillips, Gary B. Journal of Organic Chemistry, 1983 , vol. 48, # 17 p. 2789 - 2792

上下游产品

上游产品  2
109-92-2 123-73-9
下游产品  4
4457-72-1 4457-71-0 108-89-4 6280-15-5

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%