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2-乙基丁酸

2-乙基丁酸用途

2-Ethylbutyric acid 是在粪便的 VFA 分析标准的校准方法中用作内标 (IS)。

2-乙基丁酸名称

[ CAS 号 ]:
88-09-5

[ 中文名 ]:
2-乙基丁酸

[ 英文名 ]:
2-Ethylbutanoic acid

[中文别名 ]:

[英文别名 ]:

2-ethylbutyric
diethyl acetic acid
ethylbutanoic acid
diethyl-aceticaci
Butanoic acid, 2-ethyl-
2-Ethyl butyric acid
EINECS 201-796-4
2-ethyl-n-butyric acid
MFCD00002670
2-ethyl-butyricaci

2-乙基丁酸生物活性

[ 描述 ]:

2-Ethylbutyric acid 是在粪便的 VFA 分析标准的校准方法中用作内标 (IS)。

[ 相关类别 ]:

研究领域 >> 其他

信号通路 >> 其他 >> 其他

[参考文献]

[1]. Cruwys JA, et al. Development of a static headspace gas chromatographic procedure for the routine analysis of volatile fatty acids in wastewaters. J Chromatogr A. 2002 Feb 1;945(1-2):195-209.

2-乙基丁酸物理化学性质

[ 密度 ]:
0.9±0.1 g/cm3

[ 沸点 ]:
195.4±8.0 °C at 760 mmHg

[ 熔点 ]:
-14 °C

[ 分子式 ]:
C₆H₁₂O₂

[ 分子量 ]:
116.158

[ 闪点 ]:
87.8±0.0 °C

[ 精确质量 ]:
116.083733

[ PSA ]:
37.30000

[ LogP ]:
1.66

[ 外观性状 ]:
透明液体

[ 蒸汽压 ]:
0.2±0.8 mmHg at 25°C

[ 折射率 ]:
1.425

[ 储存条件 ]:
室温

[ 水溶解性 ]:
18 g/L (20 ºC)

2-乙基丁酸MSDS

2-乙基丁酸毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ET1400000

CHEMICAL NAME :: Butyric acid, 2-ethyl-

CAS REGISTRY NUMBER :: 88-09-5

BEILSTEIN REFERENCE NO. :: 1098634

LAST UPDATED :: 199806

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C6-H12-O2

MOLECULAR WEIGHT :: 116.18

WISWESSER LINE NOTATION :: QVY2&2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2200 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: 10,61,1954

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 520 uL/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: 10,61,1954

2-乙基丁酸安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H312-H315-H319-H335

[ 警示性声明 ]:
P261-P280-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) ]:
C:Corrosive;

[ 风险声明 (欧洲) ]:
R21;R34

[ 安全声明 (欧洲) ]:
S26-S36/37/39-S45-S36

[ 危险品运输编码 ]:
UN 2810 6.1/PG 3

[ WGK德国 ]:
1

[ RTECS号 ]:
ET1400000

[ 包装等级 ]:
III

[ 危险类别 ]:
8

[ 海关编码 ]:
29159080

2-乙基丁酸合成路线

2-乙基丁酸制备

1. 2-乙基丁醇经氧化生成酸。

2. 3-戊醇在硫酸作用下与无水甲酸反应可得2-乙基丁酸。

3. 脱氢生成2-乙烯（基）吡啶。

4. 烟草：FC，40，合成：可从焦油碱分出。

2-乙基丁酸海关

[ 海关编码 ]: 2915900090

[ 中文概述 ]:
2915900090. 其他饱和无环一元羧酸及其酸酐（酰卤、过氧）化物、过氧酸及其卤化、硝化、磺化、亚硝化衍生物. 增值税率:17.0%. 退税率:9.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 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

[ 监管条件 ]: A.入境货物通关单 B.出境货物通关单

[ 检验检疫 ]: R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验

[ Summary ]:
2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

2-乙基丁酸文献

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J. Nutr. 145(2) , 215-21, (2015)

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Dietary pectin-derived acidic oligosaccharides improve the pulmonary bacterial clearance of Pseudomonas aeruginosa lung infection in mice by modulating intestinal microbiota and immunity.

J. Infect. Dis. 211(1) , 156-65, (2015)

A predominantly T-helper type 2 (Th2) immune response is critical in the prognosis of pulmonary Pseudomonas aeruginosa infection. But the mucosal and systemic immune responses can be influenced by the...

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