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2-乙氧基-3,4-二氢吡喃

2-乙氧基-3,4-二氢吡喃用途

用于有机合成。

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2-乙氧基-3,4-二氢吡喃名称

[ CAS 号 ]:
103-75-3

[ 中文名 ]:
2-乙氧基-3,4-二氢吡喃

[ 英文名 ]:
3,4-Dihydro-2-ethoxy-2H-pyran

[中文别名 ]:

[英文别名 ]:

2-ethoxy-(2H)-3,4-dihydropyran
EINECS 203-141-8
ethoxy-2 dihydro-3,4,(2H)-pyranne
6-ethoxy-2,3-dihydropyran
2-Ethoxydihydropyran
2-Ethoxypyran
2-Ethoxy-2,3-dihydro(4H)pyran
MFCD00006561
2-Ethoxy-3,4-dihydro-2H-pyran
3,4-dihydro-2-ethoxy-2H-pyran

2-乙氧基-3,4-二氢吡喃物理化学性质

[ 密度 ]:
0.957 g/mL at 25 °C(lit.)

[ 沸点 ]:
42 °C16 mm Hg(lit.)

[ 熔点 ]:
-100ºC

[ 分子式 ]:
C₇H₁₂O₂

[ 分子量 ]:
128.16900

[ 闪点 ]:
76 °F

[ 精确质量 ]:
128.08400

[ PSA ]:
18.46000

[ LogP ]:
1.67310

[ 外观性状 ]:
无色液体

[ 蒸汽压 ]:
0.811mmHg at 25°C

[ 折射率 ]:
n20/D 1.439(lit.)

[ 储存条件 ]:
2-8°C

2-乙氧基-3,4-二氢吡喃MSDS

详细MSDS(安全技术说明书)

2-乙氧基-3,4-二氢吡喃毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UP8925000

CHEMICAL NAME :: 2H-Pyran, 2-ethoxy-3,4-dihydro-

CAS REGISTRY NUMBER :: 103-75-3

BEILSTEIN REFERENCE NO. :: 0109855

LAST UPDATED :: 199709

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C7-H12-O2

MOLECULAR WEIGHT :: 128.19

WISWESSER LINE NOTATION :: T6O BUTJ FO2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Open irritation test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 7/15/1971 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 6160 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 7/15/1971

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 8000 ppm/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 3560 uL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 7/15/1971

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2-乙氧基-3,4-二氢吡喃安全信息

[ 危害码 (欧洲) ]:
Xi: Irritant;

[ 风险声明 (欧洲) ]:
R10

[ 安全声明 (欧洲) ]:
S26

[ 危险品运输编码 ]:
UN 3271 3/PG 3

[ WGK德国 ]:
2

[ RTECS号 ]:
UP8925000

[ 包装等级 ]:
III

[ 危险类别 ]:
3.2

[ 海关编码 ]:
2932999099

2-乙氧基-3,4-二氢吡喃合成路线

详细合成路线

2-乙氧基-3,4-二氢吡喃上下游产品

2-乙氧基-3,4-二氢吡喃上游产品

2-乙氧基-3,4-二氢吡喃下游产品

2-乙氧基-3,4-二氢吡喃海关

[ 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%