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2-乙基丁醛

2-乙基丁醛用途

【用途一】
香料。主要用以配制可可和巧克力型香精。

2-乙基丁醛名称

[ CAS 号 ]:
97-96-1

[ 中文名 ]:
2-乙基丁醛

[ 英文名 ]:
2-Ethylbutanal

[中文别名 ]:

[英文别名 ]:

EINECS 202-623-5
2-Ethylbutyraldehyde
VHY2&2
α-Ethylbutyraldehyde
Butanal, 2-ethyl-
2-Ethylbutanal
2-Ethylbutyric aldehyde
MFCD00006985

2-乙基丁醛物理化学性质

[ 密度 ]:
0.8±0.1 g/cm3

[ 沸点 ]:
118.1±8.0 °C at 760 mmHg

[ 熔点 ]:
-89ºC

[ 分子式 ]:
C₆H₁₂O

[ 分子量 ]:
100.159

[ 闪点 ]:
21.1±0.0 °C

[ 精确质量 ]:
100.088814

[ PSA ]:
17.07000

[ LogP ]:
1.78

[ 外观性状 ]:
液体

[ 蒸汽压 ]:
16.9±0.2 mmHg at 25°C

[ 折射率 ]:
1.394

[ 储存条件 ]:
库房通风低温干燥,与氧化剂分开储运存放

[ 稳定性 ]:
Stability Stable, but air sensitive. Flammable. Readily forms explosive mixtures with air. Incompatible with strong bases, strong reducing agents, oxidizing agents.

2-乙基丁醛MSDS

详细MSDS(安全技术说明书)

2-乙基丁醛毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ES2625000

CHEMICAL NAME :: Butyraldehyde, 2-ethyl-

CAS REGISTRY NUMBER :: 97-96-1

BEILSTEIN REFERENCE NO. :: 1209330

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C6-H12-O

MOLECULAR WEIGHT :: 100.18

WISWESSER LINE NOTATION :: VHY2&2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Open irritation test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 12/14/1971 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3980 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: 4,119,1951

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 :: 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: 4,119,1951

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 5990 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: 12/14/1971

2-乙基丁醛安全信息

[ 符号 ]:

GHS02, GHS07

[ 信号词 ]:
Danger

[ 危害声明 ]:
H225-H315-H319-H335

[ 警示性声明 ]:
P210-P261-P305 + P351 + P338

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
F:Highlyflammable;Xi:Irritant;

[ 风险声明 (欧洲) ]:
R11;R36/37/38

[ 安全声明 (欧洲) ]:
S16-S26-S36

[ 危险品运输编码 ]:
UN 1178 3/PG 2

[ WGK德国 ]:
1

[ RTECS号 ]:
ES2625000

[ 包装等级 ]:
II

[ 危险类别 ]:
3

[ 海关编码 ]:
2912190090

2-乙基丁醛合成路线

详细合成路线

2-乙基丁醛上下游产品

2-乙基丁醛上游产品

2-乙基丁醛下游产品

2-乙基丁醛制备

1.由二乙基甲醇和无水草酸或硫酸缩合而成。
2.新的方法是由a-Z,烯基丁烯醛用铁屑与乙酸反应而得。

3.烟草：FC，40。

2-乙基丁醛海关

[ 海关编码 ]: 2912190090

[ 中文概述 ]:
HS: 2912190090. 其他无环醛（不含其他含氧基）. 增值税率:17.0%. 退税率:9.0%. 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, 四聚甲醛报明外观

[ Summary ]:
2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

2-乙基丁醛文献

Controlling Selectivity in the Consecutive Reaction Network of Aldoxime Hydrogenation to Primary Amines. Gebauer-Henke E, et al., DOI: 10.1039/C2CY20356A

Synthesis 102

Highly diastereoselective reactions using masked allylic zinc reagents. Jones P and Knochel P.

Chem. Commun. (Camb.) 21 , 2407-2408, (1998)

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