CAS No.74731-63-8,1H-1,2,3 TRIAZOLE-1-ETHANOL Suppliers

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Basic Information

Molecular Structure:
CAS No.:	74731-63-8
Name:	1H-1,2,3 TRIAZOLE-1-ETHANOL
Article Data:	5

Formula:	C₄H₇N₃O
Molecular Weight:	113.119
Synonyms:	2-(1,2,3-Triazol-1-yl)ethanol;2-(1H-1,2,3-Triazol-1-yl)ethanol;
Density:	1.322 g/cm³
Boiling Point:	270.981 °C at 760 mmHg
Flash Point:	117.685 °C
PSA:	50.94000
LogP:	-0.72960

Synthetic route

: 1517-05-1
2-azidoethanol

: 74-86-2
acetylene

: 74731-63-8
2-(1,2,3-triazol-1-yl)-ethan-1-ol

Conditions

Conditions	Yield
at 110 - 120℃; under 9120 - 10640 Torr;	95%

: 74731-49-0
1-(β-hydroxyethyl)-1,2,3-triazole-4-carboxylic acid

: 74731-63-8
2-(1,2,3-triazol-1-yl)-ethan-1-ol

Conditions

Conditions	Yield
under 5 - 10 Torr; Heating;	64.2%

: 288-36-8
1,2,3-triazole

: 141072-57-3
1-bromoethanol

: 74731-63-8
2-(1,2,3-triazol-1-yl)-ethan-1-ol

Conditions

Conditions	Yield
In ethanol

: 74731-63-8
2-(1,2,3-triazol-1-yl)-ethan-1-ol

: 193002-25-4
7-hydroxy-6-methoxy-3-pivaloyloxymethyl-3,4-dihydroquinazolin-4-one

: 220896-22-0
6-methoxy-3-((pivaloyloxy)methyl)-7-(2-(1,2,3-triazol-1-yl)ethoxy)-3,4-dihydroquinazolin-4-one

Conditions

Conditions	Yield
With triphenylphosphine; diethylazodicarboxylate In dichloromethane at 20℃; for 2h;	97%
With triphenylphosphine; diethylazodicarboxylate In dichloromethane at 20℃; for 1h; Etherification;

: 74731-63-8
2-(1,2,3-triazol-1-yl)-ethan-1-ol

: 193002-25-4
7-hydroxy-6-methoxy-3-pivaloyloxymethyl-3,4-dihydroquinazolin-4-one

: 1972-28-7
diethylazodicarboxylate

: 220896-22-0
6-methoxy-3-((pivaloyloxy)methyl)-7-(2-(1,2,3-triazol-1-yl)ethoxy)-3,4-dihydroquinazolin-4-one

Conditions

Conditions	Yield
With triphenylphosphine In dichloromethane	97%

...Expand

: 4548-45-2
2-chloro-5-nitropyridine

: 74731-63-8
2-(1,2,3-triazol-1-yl)-ethan-1-ol

: 2-(2-(1H-1,2,3-triazol-1-yl)ethoxy)-5-nitropyridine

Conditions

Conditions	Yield
Stage #1: 2-chloro-5-nitropyridine With sodium hydride In tetrahydrofuran at 0℃; for 0.166667h; Stage #2: 2-(1,2,3-triazol-1-yl)-ethan-1-ol In tetrahydrofuran at 0℃; for 2h;	90%

: 74731-63-8
2-(1,2,3-triazol-1-yl)-ethan-1-ol

: 98-59-9
p-toluenesulfonyl chloride

: 263400-92-6
2-(1H-1,2,3-triazol-1-yl)ethyl 4-methyl-1-benzenesulfonate

Conditions

Conditions	Yield
With dmap; triethylamine In dichloromethane at -10 - -4℃;	86%
With dmap; triethylamine In dichloromethane at -4℃;	86%
With dmap; triethylamine In dichloromethane at -10 - -4℃;	86%
Stage #1: 2-(1,2,3-triazol-1-yl)-ethan-1-ol; p-toluenesulfonyl chloride With dmap; triethylamine In dichloromethane; water at -10 - -4℃; for 0.166667h; Stage #2: With hydrogenchloride In dichloromethane; water Stage #3: With sodium hydrogencarbonate In dichloromethane; water	86%
With triethylamine; dmap In dichloromethane at -10 - -4℃;	86%

: 58013-41-5
allyl-(4-chloromethyl-2-methyl-phenyl)-ether

: 74731-63-8
2-(1,2,3-triazol-1-yl)-ethan-1-ol

: 865350-63-6
1-[2-(4-allyloxy-2-methyl-benzyloxy)-ethyl]-1H-[1,2,3]triazole

Conditions

Conditions	Yield
With sodium hydride In DMF (N,N-dimethyl-formamide) at 20℃; for 5h;	86%

: 74731-63-8
2-(1,2,3-triazol-1-yl)-ethan-1-ol

: 107-13-1
acrylonitrile

A: 2-(4'-cyano-2'-oxa-1'-butyl)-1,2,3-triazole

B: 84440-24-4
2-(5'-cyano-3'-oxa-1-pentyl)-1,2,3-triazole

Conditions

Conditions	Yield
With potassium hydroxide In water at 25 - 35℃; for 7h;	A 25% B 78%

...Expand

: 32078-38-9
4-allyloxybenzyl chloride

: 74731-63-8
2-(1,2,3-triazol-1-yl)-ethan-1-ol

: 864156-90-1
1-[2-(4-allyloxy-benzyloxy)-ethyl]-1H-[1,2,3]-triazole

Conditions

Conditions	Yield
With sodium hydride In DMF (N,N-dimethyl-formamide) at -50 - 20℃;	78%
With sodium hydride In DMF (N,N-dimethyl-formamide) at -50 - 20℃;	78%
With sodium hydride In N,N-dimethyl-formamide at -50 - 20℃;	78%
With sodium hydride In N,N-dimethyl-formamide at -50 - 20℃;	78%
With sodium hydride In N,N-dimethyl-formamide at -50 - 20℃;	78%

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Specification

The CAS register number of 1H-1,2,3-Triazole-1-ethanol is 74731-63-8. It also can be called as 2-(1,2,3-Triazol-1-yl)ethanol and the systematic name about this chemical is 2-(1H-1,2,3-triazol-1-yl)ethanol. The molecular formula about this chemical is C₄H₇N₃O and the molecular weight is 113.12.

Physical properties about 1H-1,2,3-Triazole-1-ethanol are: (1)ACD/LogP: -0.48; (2)#H bond acceptors: 4; (3)#H bond donors: 1; (4)#Freely Rotating Bonds: 3; (5)Polar Surface Area: 50.94 Å²; (6)Index of Refraction: 1.602; (7)Molar Refractivity: 29.342 cm³; (8)Molar Volume: 85.553 cm³; (9)Polarizability: 11.632x10^-24cm³; (10)Surface Tension: 55.293 dyne/cm; (11)Density: 1.322 g/cm³; (12)Flash Point: 117.685 °C; (13)Enthalpy of Vaporization: 53.789 kJ/mol; (14)Boiling Point: 270.981 °C at 760 mmHg; (15)Vapour Pressure: 0.003 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1)SMILES: OCCn1nncc1
(2)InChI: InChI=1/C4H7N3O/c8-4-3-7-2-1-5-6-7/h1-2,8H,3-4H2
(3)InChIKey: PKHVUMMJMYKRNO-UHFFFAOYAP
(4)Std. InChI: InChI=1S/C4H7N3O/c8-4-3-7-2-1-5-6-7/h1-2,8H,3-4H2
(5)Std. InChIKey: PKHVUMMJMYKRNO-UHFFFAOYSA-N