丁酸乙酯
丁酸乙酯用途
广泛用于各种食品、饮料、酒类与烟草香精中
【用途二】
用作色谱分析标准物质及溶剂,也用于香料工业
【用途三】
适用于特殊的玫瑰型香精和花香果香型香精基(化妆品用),但用量宜小。也可用做工业品不良气息的掩盖剂。主要是用于食用香精,如凤梨、香蕉、苹果、樱桃、桃、杏、葡萄、朗姆、奶油、乳酪焦糖、胡桃、浆果等。烟用、酒用香精中亦用之。
【用途四】
丁酸乙酯是我国规定允许使用的食用香料,常用于调制苹果、香蕉、菠萝等果香型食用香精和威士忌酒香精,也可用于奶油香精的调香。用量按正常生产需要,一般在口香糖中使用水平约为1400mg/kg;糖果中98mg/kg;烘烤食品中93mg/kg;冰淇淋中44mg/kg;软饮料中28mg/kg。
【用途五】
GB 2760-96规定为允许使用的食用香料。主要用于配制菠萝、葡萄、朗姆酒、草莓等型香精。
【用途六】
该品具果香和菠萝香味,且有底香。香料工业中用于配制果实(杏、桃、凤梨、甜瓜等)香精、酒(老郎酒)用香精等。此外,玫瑰油香精、烟用香精中亦有使用。丁酸乙酯在工业上作溶剂使用,可溶解硝化纤维、多种天然或合成树脂。
【用途七】
溶剂。香料。
丁酸乙酯名称
[ CAS 号 ]:
105-54-4
[ 中文名 ]:
丁酸乙酯
[ 英文名 ]:
ethyl butanoate
[英文别名 ]:
- MFCD00009394
- EINECS 203-306-4
- Butanoic acid, ethyl ester
- ethyl n-butanoate
- UNII-UFD2LZ005D
- butyric acid ethyl ester
- Butanoic acid ethyl ester
- Butyric acid, ethyl ester
- Ethyl N-butyrate
- UN 1180
丁酸乙酯物理化学性质
[ 密度 ]:
0.9±0.1 g/cm3
[ 沸点 ]:
122.4±3.0 °C at 760 mmHg
[ 熔点 ]:
-93.3 °C
[ 分子式 ]:
C6H12O2
[ 分子量 ]:
116.158
[ 闪点 ]:
19.4±0.0 °C
[ 精确质量 ]:
116.083733
[ PSA ]:
26.30000
[ LogP ]:
1.77
[ 外观性状 ]:
无色液体带有一种水果的气味
[ 蒸汽密度 ]:
4 (vs air)
[ 蒸汽压 ]:
13.9±0.2 mmHg at 25°C
[ 折射率 ]:
1.398
[ 储存条件 ]:
库房通风低温干燥,与氧化剂、酸类分开存放
[ 稳定性 ]:
Stable. Flammable. Incompatible with strong oxidizing agents, acids, bases.
[ 水溶解性 ]:
practically insoluble
丁酸乙酯MSDS
丁酸乙酯毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- ET1660000
- CHEMICAL NAME :
- Butyric acid, ethyl ester
- CAS REGISTRY NUMBER :
- 105-54-4
- BEILSTEIN REFERENCE NO. :
- 0506331
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 8
- MOLECULAR FORMULA :
- C6-H12-O2
- MOLECULAR WEIGHT :
- 116.18
- WISWESSER LINE NOTATION :
- 3VO2
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 12,719,1974 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 13 gm/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - coma
- REFERENCE :
- FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 2,327,1964
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 5228 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- IMSUAI Industrial Medicine and Surgery. (Northbrook, IL) V.18-42, 1949-73. For publisher information, see IOHSA5. Volume(issue)/page/year: 41,31,1972
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- >2 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 12,719,1974 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83190 No. of Facilities: 126 (estimated) No. of Industries: 5 No. of Occupations: 29 No. of Employees: 5043 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83190 No. of Facilities: 4209 (estimated) No. of Industries: 30 No. of Occupations: 45 No. of Employees: 33645 (estimated) No. of Female Employees: 10782 (estimated)
丁酸乙酯安全信息
[ 符号 ]:
GHS02, GHS07
[ 信号词 ]:
Warning
[ 危害声明 ]:
H226-H315-H319-H335
[ 警示性声明 ]:
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) ]:
Xi:Irritant
[ 风险声明 (欧洲) ]:
R10;R36/37/38
[ 安全声明 (欧洲) ]:
S16-S26-S36
[ 危险品运输编码 ]:
UN 1180 3/PG 3
[ WGK德国 ]:
1
[ RTECS号 ]:
ET1660000
[ 包装等级 ]:
III
[ 危险类别 ]:
3
[ 海关编码 ]:
2915600000
丁酸乙酯合成路线
丁酸乙酯上下游产品
丁酸乙酯上游产品
丁酸乙酯下游产品
丁酸乙酯制备
1.主要采用酯化法。以丁酸和乙醇为原料,在硫酸催化剂存在下进行酸化反应,然后经中和、洗涤、干燥、蒸馏而得。
精制方法:常含有丁酸、乙醇、水分和无机酸等杂质。精制时用碳酸氢钠溶液和水分别洗涤,无水硫酸钠或碳酸钾干燥后精馏。也可用无水硫酸铜干燥,然后在干燥氮气流中蒸馏精制。
2.制法:
于装有蒸馏装置的反应瓶中,加入丁酸①(2)88g(1.0mol),无水乙醇92g(2.0mol),一粒沸石,5mL硫酸。加热回流反应12h。蒸出未反应的乙醇。将反应物倒入过量的水中,分出有机层,有机层用水洗涤,再用饱和碳酸氢钠溶液洗涤。无水硫酸钠干燥。蒸馏,收集119~121℃的馏分,得丁酸乙酯(1)87g,收率75%。
丁酸乙酯海关
[ 海关编码 ]: 2915600000
[ 中文概述 ]:
HS:2915600000 丁酸、戊酸及其盐和酯 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
[ Summary ]:
2915600000 butanoic acids and pentanoic acids and their salts and esters VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%
丁酸乙酯文献
Appl. Microbiol. Biotechnol. 99(5) , 2291-304, (2015)
Volatile compounds produced by yeast during fermentation greatly influence the organoleptic qualities of wine. We developed a model to predict the combined effects of initial nitrogen and phytosterol ...
Olfactometry Profiles and Quantitation of Volatile Sulfur Compounds of Swiss Tilsit Cheeses.J. Agric. Food Chem. 63 , 7511-21, (2015)
To establish the odor profiles of three differently fabricated commercial Swiss Tilsit cheeses, analyses were conducted using headspace solid-phase microextraction gas chromatography-mass spectrometry...
How do esters and dimethyl sulphide concentrations affect fruity aroma perception of red wine? Demonstration by dynamic sensory profile evaluation.Food Chem. 194 , 196-200, (2015)
Our study focused on variations in wine aroma perception and molecular composition during tasting over a period of 30min. In parallel, dynamic analytical and sensory methods were applied to study chan...
相关化工产品/化学物质:
推荐生产厂家/供应商:
公司名:上海吉至生化科技有限公司
区域:上海市奉贤区
价格:
¥138.0/500ml
联系人:刘佳
产品详情:丁酸乙酯
公司名:上海阿拉丁生化科技股份有限公司
区域:上海市浦东新区
价格:
¥需询单/1mg
¥需询单/1g
¥需询单/1g
¥需询单/1g
联系人:阿拉丁李高志
产品详情:丁酸乙酯
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相关化合物
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