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正辛醇

正辛醇用途

1-Octanol (Octanol) 是一种饱和脂肪醇,是一种 T 型钙通道 (T-channels) 抑制剂,对天然 T 电流的 IC50 为 4 μM。1-Octanol 是一种具有柴油般特性的极具吸引力的生物燃料。
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正辛醇名称

[ CAS 号 ]:
111-87-5

[ 中文名 ]:
正辛醇

[ 英文名 ]:
1-Octanol

[中文别名 ]:

[英文别名 ]:

正辛醇生物活性

[ 描述 ]:

1-Octanol (Octanol) 是一种饱和脂肪醇,是一种 T 型钙通道 (T-channels) 抑制剂,对天然 T 电流的 IC50 为 4 μM。1-Octanol 是一种具有柴油般特性的极具吸引力的生物燃料。

[ 相关类别 ]:

信号通路 >> 跨膜转运 >> 钙通道
研究领域 >> 代谢疾病
研究领域 >> 神经疾病

[ 靶点 ]

T-type calcium channel:4 μM (IC50)

Human Endogenous Metabolite


[体外研究]

1-辛醇在亚嵌套浓度下抑制天然T-电流,IC50约为4μM。相比之下,1-辛醇抑制人类胚胎肾细胞异源表达的重组CaV3.3 T-通道的能力低30倍[1]。

[参考文献]

[1]. Joksovic PM, et al. Mechanisms of inhibition of T-type calcium current in the reticular thalamic neurons by 1-octanol: implication of the protein kinase C pathway. Mol Pharmacol. 2010 Jan;77(1):87-94.

[2]. Akhtar MK, et al. Microbial production of 1-octanol: A naturally excreted biofuel with diesel-like properties. Metab Eng Commun. 2014 Nov 13;2:1-5.

正辛醇物理化学性质

[ 密度 ]:
0.827 g/mL at 25 °C(lit.)

[ 沸点 ]:
196 °C(lit.)

[ 熔点 ]:
−15 °C(lit.)

[ 分子式 ]:
C8H18O

[ 分子量 ]:
130.22800

[ 闪点 ]:
178 °F

[ 精确质量 ]:
130.13600

[ PSA ]:
20.23000

[ LogP ]:
2.33920

[ 外观性状 ]:
液体

[ 蒸汽密度 ]:
4.5 (vs air)

[ 蒸汽压 ]:
0.14 mm Hg ( 25 °C)

[ 折射率 ]:
n20/D 1.429(lit.)

[ 储存条件 ]:
库房通风低温干燥

[ 稳定性 ]:
Stable. Flammable. Incompatible with strong oxidizing agents.

[ 水溶解性 ]:
insoluble

正辛醇MSDS

正辛醇毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RH6550000
CHEMICAL NAME :
Octyl alcohol
CAS REGISTRY NUMBER :
111-87-5
LAST UPDATED :
199712
DATA ITEMS CITED :
16
MOLECULAR FORMULA :
C8-H18-O
MOLECULAR WEIGHT :
130.26
WISWESSER LINE NOTATION :
Q8

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 :
>3200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5600 mg/m3/4H
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Lungs, Thorax, or Respiration - chronic pulmonary edema Blood - hemorrhage
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1790 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
69 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Parenteral
SPECIES OBSERVED :
Amphibian - frog
DOSE/DURATION :
1240 mg/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - somnolence (general depressed activity)
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
4 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :
Sex chromosome loss and nondisjunction
TEST SYSTEM :
Rodent - hamster Lung
DOSE/DURATION :
800 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 182,135,1987 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 10 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80235 No. of Facilities: 1071 (estimated) No. of Industries: 29 No. of Occupations: 32 No. of Employees: 13905 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80235 No. of Facilities: 9310 (estimated) No. of Industries: 133 No. of Occupations: 93 No. of Employees: 287737 (estimated) No. of Female Employees: 72792 (estimated)
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正辛醇安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H319-H412

[ 警示性声明 ]:
P273-P280-P305 + P351 + P338-P337 + P313

[ 个人防护装备 ]:
Eyeshields;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) ]:
R36/38

[ 安全声明 (欧洲) ]:
S26-S36/37-S37/39

[ 危险品运输编码 ]:
3082

[ WGK德国 ]:
1

[ RTECS号 ]:
RH6550000

[ 包装等级 ]:
III

[ 危险类别 ]:
9

[ 海关编码 ]:
2905161000

正辛醇合成路线

正辛醇上下游产品

正辛醇制备

1.辛醇在苦橙、柚、甜橙、绿茶、紫罗兰叶等精油中或以游离态存在,或以乙酸酯、丁酸酯、异戊酸酯类存在。工业生产时,可将辛醛还原或利用椰子油中存在的辛酸来制备。也可采用庚烯-1为原料的羰基合成法制得。庚烯与一氧化碳和氢在钴盐存在下,于150-170℃及20-30MPa的高压下生成醛,经脱钴后,再用镍催化剂加压氢化成伯醇。在国外该法已有成熟的生产工艺。

精制方法 减压分馏,用金属钠干燥再分馏。或加三氧化二硼回流后蒸馏,馏出物用氢氧化钠中和,再分馏。

2.以工业品正辛醇为原料,用金属钠干燥脱水后进行减压蒸馏,或加硼酐回流后蒸馏,将馏出物用氢氧化钠中和后进行减压蒸馏,在1333Pa下收集98℃馏分,即为纯品。

3. 烟草:FC,18, 40;合成:以辛酸甲酯为原料,用乙醇和金属钠还原;或由工业级的辛醇分馏提纯。

4.制法:

于装有搅拌器、滴液漏斗、温度计、通气导管的反应瓶中,加入50mL二乙二醇,1.7g(0.045mol,过量20%)粉状的硼氢化钠,慢慢通入氮气,搅拌使之溶解。而后加入1-辛烯(2)16.8(0.15mol)溶于25mL干燥的二乙二醇的溶液。冰水浴冷却下,由滴液漏斗滴加三氟化硼的乙醚溶液6.5(48%质量分数,过量20%,0.06mol),不断缓慢通入氮气约30min加完。滴加过程中,保持反应液温度在20~25℃。加完后继续搅拌反应1h,以使反应完全。由滴液漏斗滴加10mL冷水,约15min加完,分解过量的硼氢化物,有大量氢气逸出。待无氢气逸出时,于滴液漏斗中加入30%的过氧化氢20mL。由冷凝器顶端加入20mL(3mol/L)的氢氧化钠溶液,于30~50℃滴加过氧化氢,约0.5h加完,继续于室温反应1h。将反应物倒入70mL冰水中,用乙醚提取(100mL×2),合并有机层,用水充分洗涤(洗涤6次)以除去二乙二醇,硫酸镁干燥,蒸出溶剂乙醚。而后分离,收集191~193℃的馏分。其中约含有7%的2-辛醇,质量15.6g,收率80%。用高效分离柱分离可的到纯品。1-辛醇(1)和2-辛醇的沸点分别为194~195℃和179℃。

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正辛醇海关

[ 海关编码 ]: 2905161000

正辛醇文献

Acetonitrile adduct formation as a sensitive means for simple alcohol detection by LC-MS.

J. Am. Soc. Mass Spectrom. 25(11) , 1987-90, (2014)

Simple alcohols formed protonated acetonitrile adducts containing up to two acetonitrile molecules when analyzed by ESI or APCI in the presence of acetonitrile in the solvent. These acetonitrile adduc...

Determination of low levels of benzodiazepines and their metabolites in urine by hollow-fiber liquid-phase microextraction (LPME) and gas chromatography-mass spectrometry (GC-MS).

J. Chromatogr. B. Analyt. Technol. Biomed. Life Sci. 975 , 24-33, (2014)

In this study, it is shown a method for the determination of benzodiazepines and their main metabolites in urine samples by hollow-fiber liquid-phase microextraction (LPME) in the three-phase mode. In...

The EpiOcular Eye Irritation Test (EIT) for hazard identification and labelling of eye irritating chemicals: protocol optimisation for solid materials and the results after extended shipment.

Altern. Lab. Anim. 43 , 101-27, (2015)

The 7th Amendment to the EU Cosmetics Directive and the EU REACH Regulation have reinforced the need for in vitro ocular test methods. Validated in vitro ocular toxicity tests that can predict the hum...


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¥34.0/5ml ¥72.0/500ml ¥322.0/2500ml ¥1077.0/10l

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产品详情:[Perfemiker]正辛醇,Standard for GC,>99.5%


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相关化合物

【正辛醇】化源网提供正辛醇CAS号111-87-5,正辛醇MSDS及其说明、性质、英文名、生产厂家、作用/用途、分子量、密度、沸点、熔点、结构式等。CAS号查询正辛醇上化源网,专业又轻松。>>电脑版:正辛醇

标题:正辛醇_MSDS_用途_密度_正辛醇CAS号【111-87-5】_化源网 地址:https://m.chemsrc.com/mip/cas/111-87-5_1101385.html