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反,反-2,4-庚二烯醛

反,反-2,4-庚二烯醛用途

【用途一】
GB 2760—96规定为允许使用的食用香料。主要用于配制蓝莓、树莓和杂锦水果等型香精。

反,反-2,4-庚二烯醛名称

[ CAS 号 ]:
5910-85-0

[ 中文名 ]:
反式,反式-2,4-庚二烯醛

[ 英文名 ]:
trans,trans-2,4-heptadienal

[中文别名 ]:

2,4-庚二烯醛

[英文别名 ]:

Hepta-3,5-dien-2-on
2,4-heptadienal
Crotonylideneacetone
Sorbinsaeure-methylketon
EINECS 224-328-0
3,5-heptadien-2-one
Crotylideneacetone
hepta-2,4-dienal
2,4-Heptadien-6-one
2,4-heptadien-1-al

反,反-2,4-庚二烯醛物理化学性质

[ 密度 ]:
0.856g/cm3

[ 沸点 ]:
177.4ºC at 760mmHg

[ 分子式 ]:
C₇H₁₀O

[ 分子量 ]:
110.15400

[ 闪点 ]:
72.6ºC

[ 精确质量 ]:
110.07300

[ PSA ]:
17.07000

[ LogP ]:
1.70770

[ 折射率 ]:
n20/D 1.534(lit.)

[ 储存条件 ]:
2-8℃，密闭，干燥

反,反-2,4-庚二烯醛毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: MI5210000

CHEMICAL NAME :: 2,4-Heptadienal

CAS REGISTRY NUMBER :: 5910-85-0

LAST UPDATED :: 199701

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C7-H10-O

MOLECULAR WEIGHT :: 110.17

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 21,855,1983

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - guinea pig

REFERENCE :: FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 21,855,1983 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1150 mg/kg

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

REFERENCE :: FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 21,855,1983

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 313 mg/kg

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

REFERENCE :: FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 21,855,1983

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: >5 gm/kg

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

REFERENCE :: FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 21,855,1983

反,反-2,4-庚二烯醛安全信息

[ 危害码 (欧洲) ]:
T

[ 风险声明 (欧洲) ]:
22-24-38

[ 安全声明 (欧洲) ]:
S45;S36/S37

[ 危险品运输编码 ]:
UN 2810 6.1/PG 3

[ WGK德国 ]:
3

反,反-2,4-庚二烯醛合成路线

详细合成路线

反,反-2,4-庚二烯醛上下游产品

反,反-2,4-庚二烯醛上游产品

反,反-2,4-庚二烯醛下游产品

反,反-2,4-庚二烯醛制备

由庚二烯酸用LiAlH4还原成庚二烯醇，再用MnO2氧化而得。