乙酰丙酸乙酯
乙酰丙酸乙酯用途
GB 2760-96规定为允许使用的食品用香料。
乙酰丙酸乙酯名称
[ CAS 号 ]:
539-88-8
[ 中文名 ]:
乙酰丙酸乙酯
[ 英文名 ]:
Ethyl 4-oxopentanoate
[中文别名 ]:
[英文别名 ]:
- MFCD00009209
- Pentanoic acid, 4-oxo-, ethyl ester
- 4-Ketovaleric Acid Ethyl Ester
- 4-oxovaleric acid ethyl ester
- Levulinic Acid Ethyl Ester
- 3-Acetylpropionic Acid Ethyl Ester
- Ethyl 4-oxopentanoate
- EINECS 208-728-2
- Ethyl levulinate
乙酰丙酸乙酯物理化学性质
[ 密度 ]:
1.0±0.1 g/cm3
[ 沸点 ]:
205.5±0.0 °C at 760 mmHg
[ 分子式 ]:
C7H12O3
[ 分子量 ]:
144.168
[ 闪点 ]:
90.6±0.0 °C
[ 精确质量 ]:
144.078644
[ PSA ]:
43.37000
[ LogP ]:
0.40
[ 外观性状 ]:
透明至淡黄色液体
[ 蒸汽压 ]:
0.2±0.4 mmHg at 25°C
[ 折射率 ]:
1.416
[ 储存条件 ]:
2-8°C
乙酰丙酸乙酯MSDS
乙酰丙酸乙酯毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- OI1700000
- CHEMICAL NAME :
- Levulinic acid, ethyl ester
- CAS REGISTRY NUMBER :
- 539-88-8
- BEILSTEIN REFERENCE NO. :
- 0507641
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 4
- MOLECULAR FORMULA :
- C7-H12-O3
- MOLECULAR WEIGHT :
- 144.19
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: 20,679,1982 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- 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: 20,679,1982
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- 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: 20,679,1982
乙酰丙酸乙酯安全信息
[ 个人防护装备 ]:
Eyeshields;Gloves;half-mask respirator (US);multi-purpose combination respirator cartridge (US)
[ 危害码 (欧洲) ]:
Xi
[ 风险声明 (欧洲) ]:
R36/37/38
[ 安全声明 (欧洲) ]:
S24/25
[ 危险品运输编码 ]:
NONH for all modes of transport
[ WGK德国 ]:
2
[ RTECS号 ]:
OI1700000
[ 海关编码 ]:
29183000
乙酰丙酸乙酯合成路线
乙酰丙酸乙酯上下游产品
乙酰丙酸乙酯上游产品
乙酰丙酸乙酯下游产品
乙酰丙酸乙酯制备
1. 由乙酰丙酸与乙醇在苯或甲苯中在硫酸存在下直接酯化而成。
乙酰丙酸乙酯海关
[ 海关编码 ]: 2918300090
[ 中文概述 ]:
2918300090 其他含醛基或酮基不含其他含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%
[ 申报要素 ]: 品名, 成分含量, 用途
[ Summary ]:
2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%
乙酰丙酸乙酯文献
Bioresour. Technol. 193 , 386-92, (2015)
This work addresses an unprecedented way of co-producing biodiesel (FAEE) and valuable chemicals of ethyl levulinate (EL), ethyl formate (EF) and diethyl ether (DEE) from wet in situ transesterificati...
Examples of perceptive interactions involved in specific "red-" and "black-berry" aromas in red wines.J. Agric. Food Chem. 57(9) , 3702-8, (2009)
A preparative HPLC method, which preserves wine aromas and isolates fruity characteristics in specific fractions, was applied to red wine aroma extracts. Various odor-active zones were detected in typ...
Electron microscopic observations of intracytoplasmic membrane systems and cell division in Mycobacterium lepraemurium.Int. J. Lepr. Other Mycobact. Dis. 47(4) , 585-96, (1979)
The fine structures and the interconnections between the intracytoplasmic membrane systems and cell division of murine leprosy bacilli in liver tissue from mice infected intraperitoneally with Mycobac...
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