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333018

Choline hydroxide solution

45 wt. % in methanol

Synonym(s):

(2-Hydroxyethyl)trimethylammonium hydroxide, (beta-Hydroxyethyl)trimethylammonium hydroxide, 2-Hydroxy-N,N,N-trimethylethanaminium hydroxide

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1 kg
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$646.00

About This Item

Linear Formula:
HOCH2CH2N(CH3)3OH
CAS Number:
123-41-1
Molecular Weight:
121.18
NACRES:
NA.22
PubChem Substance ID:
24860096
UNSPSC Code:
12352000
MDL number:
MFCD00002831
Concentration:
45 wt. % in methanol
Form:
liquid

$646.00

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form

liquid

Quality Segment

contains

0.5% paraformaldehyde as stabilizer

concentration

45 wt. % in methanol

refractive index

n20/D 1.4186

density

0.945 g/mL at 25 °C

functional group

amine, hydroxyl

SMILES string

[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

General description

Choline hydroxide solution, also known as choline base, is a strong organic base that can be used in the chemical industry as a solvent, catalyst, and corrosion inhibitor. It can also be used as a stabilizer for quaternary ammonium compounds and as a phase transfer agent in organic synthesis.

Application

Choline hydroxide solution can be used as a catalyst in the efficient conversion of CO2 and 2-aminobenzonitriles to quinazoline-2,4(1H,3H)-dione derivatives.

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This Item
292257PHR12511133547
Choline hydroxide solution 45 wt. % in methanol

Sigma-Aldrich

333018

Choline hydroxide solution

Choline hydroxide solution 46 wt. % in H2O

Sigma-Aldrich

292257

Choline hydroxide solution

Choline chloride Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1251

Choline chloride

Choline chloride United States Pharmacopeia (USP) Reference Standard

USP

1133547

Choline chloride

description

45 wt. % in methanol

description

46 wt. % in H2O

description

Pharmaceutical Secondary Standard; Certified Reference Material

description

United States Pharmacopeia (USP) Reference Standard

concentration

45 wt. % in methanol

concentration

46 wt. % in H2O

concentration

-

concentration

-

Quality Level

200

Quality Level

200

Quality Level

300

Quality Level

-

form

liquid

form

liquid

form

-

form

-

refractive index

n20/D 1.4186

refractive index

n20/D 1.4304

refractive index

-

refractive index

-

density

0.945 g/mL at 25 °C

density

1.073 g/mL at 25 °C

density

-

density

-

functional group

hydroxyl, amine

functional group

amine, hydroxyl

functional group

-

functional group

-

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Signal Word

Danger

Hazard Classifications

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

Target Organs

Eyes,Central nervous system

Storage Class

3 - Flammable liquids

WGK

WGK 2

Flash Point (°F)

73.4 °F - closed cup

Flash Point (°C)

23 °C - closed cup

PPE (personal protective equipment)

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

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