Merck

333018

Sigma-Aldrich

氢氧化胆碱 溶液

45 wt. % in methanol

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别名:
(2-Hydroxyethyl)trimethylammonium hydroxide, (beta-Hydroxyethyl)trimethylammonium hydroxide, 2-Hydroxy-N,N,N-trimethylethanaminium hydroxide
线性分子式:
HOCH2CH2N(CH3)3OH
CAS号:
分子量:
121.18
MDL编号:
PubChem化学物质编号:

形式

liquid

质量水平

包含

0.5% paraformaldehyde as stabilizer

浓度

45 wt. % in methanol

折射率

n20/D 1.4186

密度

0.945 g/mL at 25 °C

SMILES字符串

[OH-].C[N+](C)(C)CCO

InChI

1S/C5H14NO.H2O/c1-6(2,3)4-5-7;/h7H,4-5H2,1-3H3;1H2/q+1;/p-1

InChI key

KIZQNNOULOCVDM-UHFFFAOYSA-M

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此商品
292257B32602246034
氢氧化胆碱 溶液 45 wt. % in methanol

333018

氢氧化胆碱 溶液

氢氧化胆碱 溶液 46 wt. % in H2O

292257

氢氧化胆碱 溶液

苄基三甲基氢氧化铵 溶液 40 wt. % in methanol

B32602

苄基三甲基氢氧化铵 溶液

苄基三甲基氢氧化铵 溶液 40 wt. % in H2O

246034

苄基三甲基氢氧化铵 溶液

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

-

form

liquid

form

-

form

liquid

form

-

density

0.945 g/mL at 25 °C

density

1.073 g/mL at 25 °C

density

0.92 g/mL at 25 °C

density

1.059 g/mL at 25 °C

refractive index

n20/D 1.4186

refractive index

n20/D 1.4304

refractive index

-

refractive index

n20/D 1.43

contains

0.5% paraformaldehyde as stabilizer

contains

-

contains

-

contains

-

一般描述

氢氧化胆碱溶液又名choline base,是一种有机强碱,在化工行业中用作溶剂、催化剂和缓蚀剂。也用作季铵盐稳定剂和有机合成的相转移催化剂。

应用

氢氧化胆碱溶液可作为催化剂用于CO2 和2-氨基苯腈高效转化为喹唑啉-2,4(1H,3H)-二酮衍生物。

警示用语:

Danger

危险分类

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A - STOT SE 1

储存分类代码

3 - Flammable liquids

WGK

WGK 2

闪点(°F)

73.4 °F - closed cup

闪点(°C)

23 °C - closed cup

个人防护装备

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


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Xue-Dan Hou et al.
Biotechnology and bioengineering, 112(1), 65-73 (2014-07-30)
In this work, 28 cholinium ionic liquids (ILs), most of which are good solvents for dissolving lignin, were used for rice straw pretreatment to improve subsequent enzymatic hydrolysis. The anion exerted a significant effect on the pretreatment effectiveness of the
Kyung-Eui Park et al.
Bioscience, biotechnology, and biochemistry, 78(6), 981-988 (2014-07-19)
Phospholipase D (PLD) catalyzes the hydrolysis of phosphatidylcholine (PC), the most abundant phospholipids of plasma membrane, resulting in the production of choline and phosphatidic acid (PA). Choline is a precursor of the neurotransmitter acetylcholine, whereas PA functions as an intracellular
Yan-Xia An et al.
Bioresource technology, 192, 165-171 (2015-06-01)
Pretreatment of lignocelluloses is a key step in the biorefinery for production of biofuels and valuable platform chemicals. In this work, various lignocelluloses were pretreated using cholinium ionic liquids (ILs) that are wholly composed of biomaterials, and fractionated into carbohydrate-rich
Bieke Onghena et al.
Dalton transactions (Cambridge, England : 2003), 43(30), 11566-11578 (2014-06-19)
The ionic liquid choline bis(trifluoromethylsulfonyl)imide, [Chol][Tf2N], was used for the extraction of neodymium(III), in combination with choline hexafluoroacetylacetonate, [Chol][hfac], as the extractant. The binary mixture of [Chol][Tf2N] and water shows temperature-dependent phase behavior, with an upper critical solution temperature of

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