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辛酸

辛酸用途

Octanoic acid 是一种油性液体,带有些许腐臭味,能用于酯类香料和染料的生产。

辛酸名称

[ CAS 号 ]:
124-07-2

[ 中文名 ]:
正辛酸

[ 英文名 ]:
Octanoic acid

[中文别名 ]:

[英文别名 ]:

Octylic acid
n-Octoic acid
OCTANOIC ACID/CAPRYLIC ACID
n-Octanoic Acid
MFCD00004429
Octocapric Acid
Acid C8,Caprylic acid
CAPRYLIC ACID (C8)
OCTANOIC ACID (CAPRYLIC)
heptane-7-carboxylic acid

辛酸生物活性

[ 描述 ]:

Octanoic acid 是一种油性液体,带有些许腐臭味,能用于酯类香料和染料的生产。

[ 相关类别 ]:

天然产物 >> 酸和醛

研究领域 >> 代谢疾病

[ 靶点 ]

Human Endogenous Metabolite

[相关活性小分子]

辛酸物理化学性质

[ 密度 ]:
0.91 g/mL at 25 °C(lit.)

[ 沸点 ]:
237 ºC

[ 熔点 ]:
16 °C

[ 分子式 ]:
C₈H₁₆O₂

[ 分子量 ]:
144.21100

[ 闪点 ]:
130 ºC

[ 精确质量 ]:
144.11500

[ PSA ]:
37.30000

[ LogP ]:
2.43150

[ 外观性状 ]:
淡黄色特有的液体

[ 蒸汽密度 ]:
5 (vs air)

[ 蒸汽压 ]:
0.022mmHg at 25°C

[ 折射率 ]:
n20/D 1.428(lit.)

[ 储存条件 ]:
室温

[ 稳定性 ]:
Stable. Incompatible with bases, reducing agents, oxidizing agents. Flammable.

[ 水溶解性 ]:
0.68 g/L (20 ºC)

辛酸MSDS

辛酸毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RH0175000

CHEMICAL NAME :: Octanoic acid

CAS REGISTRY NUMBER :: 124-07-2

BEILSTEIN REFERENCE NO. :: 1747180

LAST UPDATED :: 199710

DATA ITEMS CITED :: 13

MOLECULAR FORMULA :: C8-H16-O2

MOLECULAR WEIGHT :: 144.24

WISWESSER LINE NOTATION :: QV7

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 10080 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Gastrointestinal - hypermotility, diarrhea

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 600 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

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

MUTATION DATA

TYPE OF TEST :: Cytogenetic analysis

TEST SYSTEM :: Non-mammalian species Cells - not otherwise specified

DOSE/DURATION :: 10 mmol/L

REFERENCE :: CHROAU Chromosoma. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1939- Volume(issue)/page/year: 40,1,1973 *** REVIEWS *** TOXICOLOGY REVIEW AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 21,100,1960 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84154 No. of Facilities: 939 (estimated) No. of Industries: 15 No. of Occupations: 25 No. of Employees: 22322 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84154 No. of Facilities: 21067 (estimated) No. of Industries: 146 No. of Occupations: 97 No. of Employees: 222149 (estimated) No. of Female Employees: 8182 (estimated)

辛酸安全信息

[ 符号 ]:

GHS05

[ 信号词 ]:
Danger

[ 危害声明 ]:
H314

[ 警示性声明 ]:
P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338

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

[ 危害码 (欧洲) ]:
C:Corrosive

[ 风险声明 (欧洲) ]:
R34

[ 安全声明 (欧洲) ]:
S26-S36/39-S45-S36/37/39-S25

[ 危险品运输编码 ]:
UN 3265 8/PG 3

[ WGK德国 ]:
1

[ RTECS号 ]:
RH0175000

[ 包装等级 ]:
III

[ 危险类别 ]:
8

[ 海关编码 ]:
2915900090

辛酸合成路线

辛酸上下游产品

辛酸上游产品

辛酸下游产品

辛酸制备

生产方法简述：工业上生产辛酸是采用辛醛为原料，在实验室制备时采用正己基丙二酸加热放出二氧化碳，减压至4-6.65kPa使反应完全。最后将反应产物减压蒸馏，收集127-129℃（2.13kPa）馏分即为辛酸。收率80-85%。由1-辛烯和过醋酸反应可制得辛酸。此外还有正辛醇氧化脱氢法。

精制方法：用分子筛脱水后减压分馏。也可用分步结晶法精制。

1．辛醛氧化法

2．正己基丙二酸法

3．正辛醇氧化脱氢法

4．1-辛烯法　由1-辛烯和过醋酸反应制得：

5.烟草：OR，44；OR，49；BU，56；OR，26；FC，9， 18；BU，18；OR，18；BU，26；FC，40。合成：由椰子油皂化后再酸化合分馏而得。

辛酸海关

[ 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%

辛酸文献

Sensing of triacylglycerol in the gut: different mechanisms for fatty acids and 2-monoacylglycerol.

J. Physiol. 593(8) , 2097-109, (2015)

Sensing of dietary triacylglycerol in the proximal small intestine results in physiological, hormonal and behavioural responses. However, the exact physiological pathways linking intestinal fat sensin...

Combined effects of nutrients and temperature on the production of fermentative aromas by Saccharomyces cerevisiae during wine fermentation.

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...

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辛酸