Product Name

  • Name

    4-Hydroxyphenethyl alcohol

  • EINECS 207-930-8
  • CAS No. 501-94-0
  • Article Data94
  • CAS DataBase
  • Density 1.168 g/cm3
  • Solubility slightly soluble in water
  • Melting Point 89-92 °C(lit.)
  • Formula C8H10O2
  • Boiling Point 287.8 °C at 760 mmHg
  • Molecular Weight 138.166
  • Flash Point 143.2 °C
  • Transport Information
  • Appearance off-white to light beige crystals or crystalline
  • Safety 26-37/39-24/25-36
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 501-94-0 (4-Hydroxyphenethyl alcohol)
  • Hazard Symbols IrritantXi
  • Synonyms Phenethylalcohol, p-hydroxy- (7CI,8CI);Tyrosol (6CI);2-(4-Hydroxyphenyl)ethanol;2-(4-Hydroxyphenyl)ethyl alcohol;2-(p-Hydroxyphenyl)ethanol;4-(2-Hydroxyethyl)phenol;Benzeneethanol,4-hydroxy-;NSC 59876;Tyrosol C;p-(2-Hydroxyethyl)phenol;p-HPEA;p-Hydroxyphenethylalcohol;p-Tyrosol;b-(4-Hydroxyphenyl)ethanol;b-(p-Hydroxyphenyl)ethanol;4-Hydroxyphenylethanol;
  • PSA 40.46000
  • LogP 0.92700

Synthetic route

4-hydroxyphenylacetate
156-38-7

4-hydroxyphenylacetate

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With sodium tetrahydroborate; Trimethyl borate; dimethyl sulfate In tetrahydrofuran at 20℃; for 1.5h;98%
With sodium tetrahydroborate; iodine In tetrahydrofuran for 2h; Heating;88%
With lithium aluminium tetrahydride In tetrahydrofuran at 67℃; for 2.5h;88%
p-Coumaric Acid
7400-08-0

p-Coumaric Acid

A

4-hydroxyphenylacetate
156-38-7

4-hydroxyphenylacetate

B

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With β-D-glucose; oxygen for 18h; Reagent/catalyst; Enzymatic reaction;A n/a
B 97.3%
1-methylsulfanylmethoxy-4-(2-methylsulfanylmethoxy-ethyl)-benzene

1-methylsulfanylmethoxy-4-(2-methylsulfanylmethoxy-ethyl)-benzene

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With methanol; iodine at 50℃; for 3.5h;96%
1-(2-methoxy-ethoxymethoxy)-4-[2-(2-methoxy-ethoxymethoxy)-ethyl]-benzene

1-(2-methoxy-ethoxymethoxy)-4-[2-(2-methoxy-ethoxymethoxy)-ethyl]-benzene

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With methanol; iodine at 50℃; for 48h;96%
tert-butyl(4-(2-(tert-butyldimethylsilyloxy)ethyl)phenoxy)dimethylsilane
96013-68-2

tert-butyl(4-(2-(tert-butyldimethylsilyloxy)ethyl)phenoxy)dimethylsilane

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With methanol; trimethylsilyl bromide at 20℃; for 5h; chemoselective reaction;95%
With antimonypentachloride; water In acetonitrile at 20℃; for 0.166667h;92%
With iron(III) p-toluenesulfonate hexahydrate In methanol for 26.25h; Reflux;84%
1-(2-trimethylsilanyl-ethoxymethoxy)-4-[2-(2-trimethylsilanyl-ethoxymethoxy)-ethyl]-benzene

1-(2-trimethylsilanyl-ethoxymethoxy)-4-[2-(2-trimethylsilanyl-ethoxymethoxy)-ethyl]-benzene

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With methanol; iodine at 50℃; for 10h;95%
1-methoxymethoxy-4-(2-methoxymethoxy-ethyl)-benzene

1-methoxymethoxy-4-(2-methoxymethoxy-ethyl)-benzene

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With methanol; iodine at 50℃; for 34h;94%
Methyl 4-hydroxyphenylacetate
14199-15-6

Methyl 4-hydroxyphenylacetate

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With methanol; Na/SiO2 In tetrahydrofuran at 0 - 25℃; Bouveault-Blanc reduction; Inert atmosphere;93%
With 5 wt% Re/TiO2; hydrogen In octane at 200℃; under 37503.8 Torr; for 24h; Autoclave; chemoselective reaction;91%
With sodium tetrahydroborate In water for 8h; Ambient temperature;90%
4-(2-bromoethyl)phenol
14140-15-9

4-(2-bromoethyl)phenol

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
Stage #1: 4-(2-bromoethyl)phenol With sodium acetate In water for 3h; Reflux;
Stage #2: With sodium hydroxide In water for 0.5h; Inert atmosphere; Reflux;
88%
2-[4-(4-nitro-benzyloxy)-phenyl]-ethanol

2-[4-(4-nitro-benzyloxy)-phenyl]-ethanol

A

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

B

p-toluidine
106-49-0

p-toluidine

Conditions
ConditionsYield
With magnesium In methanol at 20℃; for 10h;A 83%
B n/a
4-[2-(2-chloroacetyl)oxoethyl]phenyl-2-chloroacetate
1223454-88-3

4-[2-(2-chloroacetyl)oxoethyl]phenyl-2-chloroacetate

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With sodium tetrahydroborate In ethanol at 0 - 20℃; Inert atmosphere;81%
C14H18O6

C14H18O6

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With sodium tetrahydroborate In ethanol at 20℃; for 1h;81%
1-methoxymethoxy-4-(2-methoxymethoxy-ethyl)-benzene

1-methoxymethoxy-4-(2-methoxymethoxy-ethyl)-benzene

A

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

B

4-(2-methoxymethoxy-ethyl)-phenol

4-(2-methoxymethoxy-ethyl)-phenol

Conditions
ConditionsYield
sodium hydrogen sulfate; silica gel In dichloromethane at 20℃; for 1.5h;A 12%
B 76%
Methyl 4-hydroxyphenylacetate
14199-15-6

Methyl 4-hydroxyphenylacetate

A

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

B

4-hydroxyphenylacetaldehyde
7339-87-9

4-hydroxyphenylacetaldehyde

Conditions
ConditionsYield
With diisobutylaluminium hydride In toluene at -78℃; for 5h;A 10%
B 75%
2-(3,5-di-t-butyl-4-hydroxyphenyl)ethanol
3673-68-5

2-(3,5-di-t-butyl-4-hydroxyphenyl)ethanol

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
at 285 - 295℃; for 19h; Inert atmosphere;72%
1-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-(tert-butyl-diphenyl-silanyloxy)-benzene

1-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-(tert-butyl-diphenyl-silanyloxy)-benzene

A

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

B

2-[4'-(tert-butyldiphenylsilyloxy)phenyl]ethanol
96013-93-3

2-[4'-(tert-butyldiphenylsilyloxy)phenyl]ethanol

Conditions
ConditionsYield
With bismuth oxide perchlorate In dichloromethane at 45℃; for 3h;A n/a
B 65%
2-(3,5-di-t-butyl-4-hydroxyphenyl)ethanol
3673-68-5

2-(3,5-di-t-butyl-4-hydroxyphenyl)ethanol

A

p-cresol
106-44-5

p-cresol

B

benzofuran-5-ol
13196-10-6

benzofuran-5-ol

C

4-Ethylphenol
123-07-9

4-Ethylphenol

D

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

E

1-[4-(2-hydroxyethyl)phenoxy]-2-(4'-hydroxyphenyl)ethane
1240059-73-7

1-[4-(2-hydroxyethyl)phenoxy]-2-(4'-hydroxyphenyl)ethane

F

di[2-(4-hydroxyphenyl)]ethyl ether
501123-58-6

di[2-(4-hydroxyphenyl)]ethyl ether

G

C24H34O3

C24H34O3

H

6-tert-butyl-5-hydroxybenzofuran
117516-54-8

6-tert-butyl-5-hydroxybenzofuran

I

phenol
108-95-2

phenol

Conditions
ConditionsYield
at 295 - 298℃; for 22h; Inert atmosphere;A n/a
B n/a
C n/a
D 55%
E n/a
F 40 g
G n/a
H n/a
I n/a
methanol
67-56-1

methanol

4-(trimethylsilylmethyl)phenyl methanesulfonate

4-(trimethylsilylmethyl)phenyl methanesulfonate

A

p-cresol
106-44-5

p-cresol

B

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

C

1-methyl-1-phenylethyl alcohol
617-94-7

1-methyl-1-phenylethyl alcohol

D

2-phenylethanol
60-12-8

2-phenylethanol

E

4-tolyl mesylate
17177-63-8

4-tolyl mesylate

Conditions
ConditionsYield
With acetone Irradiation; Inert atmosphere;A n/a
B 8%
C 8%
D 8%
E 23%
tyrosamine
51-67-2

tyrosamine

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With yeast
4-hydroxy-phenethyl iodide
6631-69-2

4-hydroxy-phenethyl iodide

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With water; silver(l) oxide
4-(2-chloroethyl)phenol
28145-35-9

4-(2-chloroethyl)phenol

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With sodium acetate; acetic acid Erwaermen des Reaktionsprodukts mit Natronlauge;
N,N-dimethyltyramine
539-15-1

N,N-dimethyltyramine

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With yeast
4-Hydroxyphenylpyruvic acid
156-39-8

4-Hydroxyphenylpyruvic acid

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With yeast
Multi-step reaction with 2 steps
1: aq. phosphate buffer / 37 °C / Green chemistry; Enzymatic reaction
2: aq. phosphate buffer / 37 °C / Green chemistry; Enzymatic reaction
View Scheme
L-tyrosine
60-18-4

L-tyrosine

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With vinegar bacteria
Stage #1: L-tyrosine With recombinant parsley (Petroselinum crispum) aromatic acetaldehyde synthese Q06086 at 25℃; for 1h; pH=6.8; aq. phosphate buffer; Enzymatic reaction;
Stage #2: With sodium tetrahydroborate In ethanol at 25℃; for 0.0833333h;
Multi-step reaction with 3 steps
1: aq. phosphate buffer / 37 °C / Green chemistry; Enzymatic reaction
2: aq. phosphate buffer / 37 °C / Green chemistry; Enzymatic reaction
3: aq. phosphate buffer / 37 °C / Green chemistry; Enzymatic reaction
View Scheme
Conditions
ConditionsYield
durch gaerende Hefe;
bei der Hefegaerung;
With lactic acid bacteria
Einw. von lebender Hefe bei der alkohol. Vergaerung des Zuckers;
Multi-step reaction with 2 steps
1: 270 °C / 12 - 25 Torr
2: yeast
View Scheme
methanol
67-56-1

methanol

osmanthuside B
97549-57-0, 94492-23-6

osmanthuside B

A

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

B

methyl 4-hydroxycinnamate
3943-97-3

methyl 4-hydroxycinnamate

Conditions
ConditionsYield
With acetyl chloride for 0.5h; Heating;
methanol
67-56-1

methanol

fraxiformoside
142998-21-8

fraxiformoside

A

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

B

isoligustroside
108789-18-0

isoligustroside

Conditions
ConditionsYield
for 40h; Heating;A 13.8 mg
B 53.2 mg
ligstroside
35897-92-8

ligstroside

A

D-Glucose
2280-44-6

D-Glucose

B

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

Conditions
ConditionsYield
With potassium hydroxide In methanol at 60℃; for 2h;A n/a
B 2 mg
4-[2-(acetyloxy)ethyl]-4-hydroxy-2,5-cyclohexadien-1-one
94414-03-6

4-[2-(acetyloxy)ethyl]-4-hydroxy-2,5-cyclohexadien-1-one

A

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

C

trans-1-(2-hydroxyethyl)cyclohexane-1,4-diol
101489-38-7

trans-1-(2-hydroxyethyl)cyclohexane-1,4-diol

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol Ambient temperature;A 25 mg
B 15 mg
C 11 mg
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

4-(2-bromoethyl)phenol
14140-15-9

4-(2-bromoethyl)phenol

Conditions
ConditionsYield
With PS-triphenylphosphine; bromine In dichloromethane at 0℃; for 1h;100%
With diphenylphosphino-polystyrene; carbon tetrabromide In dichloromethane at 40℃; for 3.5h;100%
With hydrogen bromide In water at 80℃; for 16h;100%
vinyl acetate
108-05-4

vinyl acetate

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

2-(4-hydroxyphenyl)ethyl acetate
58556-55-1

2-(4-hydroxyphenyl)ethyl acetate

Conditions
ConditionsYield
With Candida cylindracea lipase In hexane for 4h;100%
With Candida antartica lipase B In tetrahydrofuran at 20℃; for 4h; Enzymatic reaction; chemoselective reaction;100%
With 1,3-dichlorotetrabutyldistannoxane In tetrahydrofuran at 30℃; for 24h;99%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

tert-butyl(4-(2-(tert-butyldimethylsilyloxy)ethyl)phenoxy)dimethylsilane
96013-68-2

tert-butyl(4-(2-(tert-butyldimethylsilyloxy)ethyl)phenoxy)dimethylsilane

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide at 20℃; for 3h;100%
With 1H-imidazole In N,N-dimethyl-formamide Ambient temperature;89%
With 1H-imidazole In dichloromethane; N,N-dimethyl-formamide
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

hydroxytyrosol
10597-60-1

hydroxytyrosol

Conditions
ConditionsYield
With polymer-supported IBX In dimethyl carbonate at 20℃; for 1h; chemoselective reaction;100%
With β-D-glucose; oxygen In aq. phosphate buffer at 37℃; pH=7.0; Enzymatic reaction;97.5%
Stage #1: p-hydroxyphenethyl alcohol at 20℃; for 1h;
Stage #2: With sodium dithionite; water for 0.5h;
90%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

epichlorohydrin
106-89-8

epichlorohydrin

1-[4-(2-hydroxyethyl)phenoxy]-2,3-epoxypropane
104857-48-9

1-[4-(2-hydroxyethyl)phenoxy]-2,3-epoxypropane

Conditions
ConditionsYield
With potassium carbonate In toluene; acetonitrile100%
With potassium carbonate In butanone for 15h; Heating;86%
Stage #1: p-hydroxyphenethyl alcohol; epichlorohydrin at 80℃; for 1h;
Stage #2: With sodium hydroxide at 20℃;
74%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

2-(4'-hydroxyphenyl)ethyl methyl carbonate
953422-33-8

2-(4'-hydroxyphenyl)ethyl methyl carbonate

Conditions
ConditionsYield
With sulfuric acid for 7h; Reflux;100%
With 1,8-diazabicyclo[5.4.0]undec-7-ene at 90℃; for 7.5h;100%
With Amberlyst 15 for 12h; Reflux;99%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

chloroformic acid ethyl ester
541-41-3

chloroformic acid ethyl ester

carbonic acid ethyl ester 4-(2-hydroxy-ethyl)-phenyl ester
1119076-06-0

carbonic acid ethyl ester 4-(2-hydroxy-ethyl)-phenyl ester

Conditions
ConditionsYield
With triethylamine In acetonitrile at -80 - 20℃; Inert atmosphere;100%
With sodium hydroxide In water at -5 - 20℃; for 5h;92%
With sodium hydroxide at -5 - 50℃; for 5h;92%
With sodium hydroxide In water at -5 - 20℃; for 6h;83.3%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

4-methoxyphenethyl methyl carbonate
1796-64-1

4-methoxyphenethyl methyl carbonate

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene at 90℃; for 24h;100%
vinyl n-butyrate
123-20-6

vinyl n-butyrate

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

2-(4-hydroxylphenyl)ethyl butyrate
386263-87-2

2-(4-hydroxylphenyl)ethyl butyrate

Conditions
ConditionsYield
With Candida antartica lipase B In tetrahydrofuran at 20℃; for 4h; Enzymatic reaction; chemoselective reaction;100%
With Novozym 435 at 40℃; for 1h; Enzymatic reaction;
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

1-chloro-2-(chloromethyl)benzene
611-19-8

1-chloro-2-(chloromethyl)benzene

2-(4-(2-chlorobenzyloxy)phenyl)ethanol
1228930-61-7

2-(4-(2-chlorobenzyloxy)phenyl)ethanol

Conditions
ConditionsYield
With potassium carbonate In acetone for 24h; Reflux;100%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

acetic acid
64-19-7

acetic acid

2-(4-hydroxyphenyl)ethyl acetate
58556-55-1

2-(4-hydroxyphenyl)ethyl acetate

Conditions
ConditionsYield
With Candida antarctica at 45℃; for 24h;100%
With Candida antarctica lipase B at 45℃; for 24h; Enzymatic reaction;100%
With lipase from Staphylococcus xylosus immobilized onto CaCO3 for 120h; Enzymatic reaction;
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 48h; Inert atmosphere;
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

propionic acid
802294-64-0

propionic acid

2′-(4-hydroxyphenyl)ethylpropanoate

2′-(4-hydroxyphenyl)ethylpropanoate

Conditions
ConditionsYield
With Candida antarctica at 45℃; for 24h;100%
With lipase from Staphylococcus xylosus immobilized onto CaCO3 for 120h; Enzymatic reaction;
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 48h; Inert atmosphere;
vinyl pivalate
3377-92-2

vinyl pivalate

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

4-(2-hydroxyethyl)phenyl pivalate
141923-61-7

4-(2-hydroxyethyl)phenyl pivalate

Conditions
ConditionsYield
With rubidium fluoride In acetonitrile at 80℃; for 3h; regiospecific reaction;100%
2,2,2-trifluoroethyl acetate
406-95-1

2,2,2-trifluoroethyl acetate

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

2-(4-hydroxyphenyl)ethyl acetate
58556-55-1

2-(4-hydroxyphenyl)ethyl acetate

Conditions
ConditionsYield
With cesium fluoride In acetonitrile at 80℃; for 24h; Reagent/catalyst;100%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

butyric acid
107-92-6

butyric acid

2-(4-hydroxylphenyl)ethyl butyrate
386263-87-2

2-(4-hydroxylphenyl)ethyl butyrate

Conditions
ConditionsYield
With Candida antarctica at 45℃; for 24h;100%
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 24h;
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

valeric acid
109-52-4

valeric acid

tyrosol pentanoate

tyrosol pentanoate

Conditions
ConditionsYield
With Candida antarctica at 45℃; for 24h;100%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

butanone
78-93-3

butanone

2′-(4-hydroxyphenyl)ethylpropanoate

2′-(4-hydroxyphenyl)ethylpropanoate

Conditions
ConditionsYield
With Candida antarctica lipase B at 45℃; for 24h; Enzymatic reaction;100%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

2-Pentanone
107-87-9

2-Pentanone

2-(4-hydroxylphenyl)ethyl butyrate
386263-87-2

2-(4-hydroxylphenyl)ethyl butyrate

Conditions
ConditionsYield
With Candida antarctica lipase B at 45℃; for 24h; Enzymatic reaction;100%
n-hexan-2-one
591-78-6

n-hexan-2-one

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

tyrosol pentanoate

tyrosol pentanoate

Conditions
ConditionsYield
With Candida antarctica lipase B at 45℃; for 24h; Enzymatic reaction;100%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

benzyl bromide
100-39-0

benzyl bromide

2-(4-benzyloxyphenyl)ethanol
61439-59-6

2-(4-benzyloxyphenyl)ethanol

Conditions
ConditionsYield
With potassium carbonate In acetone for 18h; Heating;99.3%
With potassium carbonate In N,N-dimethyl-formamide at 0 - 20℃; Inert atmosphere;98%
With potassium carbonate In acetone Reflux;98%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

acetic anhydride
108-24-7

acetic anhydride

2-(4-acetoxyphenyl)ethyl acetate
60037-42-5

2-(4-acetoxyphenyl)ethyl acetate

Conditions
ConditionsYield
With pyridine at 20℃; for 24h; Inert atmosphere;99%
cerium triflate In acetonitrile at 20℃; for 0.2h;98%
With tributylphosphine at 30℃; for 4h; other reagents: Sc(OTf)3, 4-(dimethylamino)pyridine/pyridine;95%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

benzyl chloride
100-44-7

benzyl chloride

2-(4-benzyloxyphenyl)ethanol
61439-59-6

2-(4-benzyloxyphenyl)ethanol

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 65℃; for 24h;99%
Stage #1: p-hydroxyphenethyl alcohol With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: benzyl chloride With tetra-(n-butyl)ammonium iodide at 20℃; for 18h;
88%
In ethanol for 9h; Heating;
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

methyl 2-oxocyclopentane-1-carboxylate
10472-24-9

methyl 2-oxocyclopentane-1-carboxylate

2-oxo-cyclopentanecarboxylic acid 2-(4-hydroxy-phenyl)-ethyl ester

2-oxo-cyclopentanecarboxylic acid 2-(4-hydroxy-phenyl)-ethyl ester

Conditions
ConditionsYield
With N,N-3-diethylaminopropylated silica gel In xylene for 3h; Heating;99%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

4-(2-Hydroxyethyl)cyclohexanol
74058-21-2

4-(2-Hydroxyethyl)cyclohexanol

Conditions
ConditionsYield
With borax; hydrogen; palladium 10% on activated carbon In isopropyl alcohol at 80℃; under 7500.75 Torr; for 22h;99%
3-[4-(4-allyloxycarbonylmethylphenoxy)piperidine-1-carbonyl]-1-methyl-3H-imidazol-1-ium iodide

3-[4-(4-allyloxycarbonylmethylphenoxy)piperidine-1-carbonyl]-1-methyl-3H-imidazol-1-ium iodide

p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

4-(tert-butyldimethylsilanyloxy)piperidine-1-carboxylic acid 4-(2-hydroxyethyl)phenyl ester

4-(tert-butyldimethylsilanyloxy)piperidine-1-carboxylic acid 4-(2-hydroxyethyl)phenyl ester

Conditions
ConditionsYield
With 1,4-diaza-bicyclo[2.2.2]octane In dichloromethane at 20℃; for 16h;99%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

4-hydroxy-phenethyl iodide
6631-69-2

4-hydroxy-phenethyl iodide

Conditions
ConditionsYield
With chloro-trimethyl-silane; sodium iodide In acetonitrile at 70℃; for 16h;99%
With chloro-trimethyl-silane; sodium iodide In acetonitrile at 70℃; for 24h; Inert atmosphere;95%
With 1H-imidazole; iodine; triphenylphosphine In diethyl ether; acetonitrile at 20℃; for 4h;91%
With 1H-imidazole; iodine; triphenylphosphine In dichloromethane at 0 - 20℃; Inert atmosphere;70%
With 1H-imidazole; iodine; triphenylphosphine In dichloromethane at 20℃; for 4h;
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

p-nitrophenyl isothiocyanate
2131-61-5

p-nitrophenyl isothiocyanate

C15H14N2O4S
1033617-70-7

C15H14N2O4S

Conditions
ConditionsYield
Stage #1: p-hydroxyphenethyl alcohol With sodium hydride In tetrahydrofuran at 20℃; for 0.5h;
Stage #2: p-nitrophenyl isothiocyanate In tetrahydrofuran at 20℃; for 18h; Further stages.;
99%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

2,2,2-trifluoroethyl benzoate
1579-72-2

2,2,2-trifluoroethyl benzoate

2-(4-hydroxyphenyl)ethyl benzoate

2-(4-hydroxyphenyl)ethyl benzoate

Conditions
ConditionsYield
With (μ-oxo)bis[(1,2-ethanediamino-N,N'-bis(salicylidene))iron(III)] In 5,5-dimethyl-1,3-cyclohexadiene at 140℃; for 24h; Inert atmosphere; Schlenk technique; chemoselective reaction;99%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

ethyl acetate
141-78-6

ethyl acetate

2-(4-hydroxyphenyl)ethyl acetate
58556-55-1

2-(4-hydroxyphenyl)ethyl acetate

Conditions
ConditionsYield
With sodium hydrogen sulfate In hexane for 26h; Heating;98%
With sodium hydrogen sulfate; silica gel In hexane Heating;98%
With toluene-4-sulfonic acid at 80℃; for 5h; Reagent/catalyst; Temperature;98.9%
p-hydroxyphenethyl alcohol
501-94-0

p-hydroxyphenethyl alcohol

perfluoro(4-methyl-3-isopropyl-2-pentene)
30320-27-5

perfluoro(4-methyl-3-isopropyl-2-pentene)

4-(perfluoro(4-methyl-3-isopropyl-2-penten-2-yl))oxyphenylethanol

4-(perfluoro(4-methyl-3-isopropyl-2-penten-2-yl))oxyphenylethanol

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran for 4h; Inert atmosphere; Reflux;98.6%

4-Hydroxyphenethyl alcohol Chemical Properties

Molecule structure of 4-Hydroxyphenethyl alcohol (CAS NO.501-94-0):

IUPAC Name: 4-(2-Hydroxyethyl)phenol 
Molecular Weight: 138.1638 g/mol
Molecular Formula: C8H10O2 
Density: 1.168 g/cm3 
Melting Point: 89-92 °C(lit.)
Boiling Point: 287.8 °C at 760 mmHg 
Flash Point: 143.2 °C
Index of Refraction: 1.577
Molar Refractivity: 39.21 cm3
Molar Volume: 118.1 cm3
Surface Tension: 50.8 dyne/cm
Enthalpy of Vaporization: 55.66 kJ/mol
Vapour Pressure: 0.00113 mmHg at 25 °C 
Water Solubility: slightly soluble
XLogP3: 0.4
H-Bond Donor: 2
H-Bond Acceptor: 2
Rotatable Bond Count: 2
Tautomer Count: 2
Exact Mass: 138.06808
MonoIsotopic Mass: 138.06808
Topological Polar Surface Area: 40.5
Heavy Atom Count: 10
Canonical SMILES: C1=CC(=CC=C1CCO)O
InChI: InChI=1S/C8H10O2/c9-6-5-7-1-3-8(10)4-2-7/h1-4,9-10H,5-6H2
InChIKey: YCCILVSKPBXVIP-UHFFFAOYSA-N
EINECS: 207-930-8
Product Categories: Alcohols and Derivatives; Benzhydrols, Benzyl & Special Alcohols; Benzene derivates; Alkohols; API intermediates

4-Hydroxyphenethyl alcohol Uses

 4-Hydroxyphenethyl alcohol (CAS NO.501-94-0) is used as pharmaceutical intermediates.

4-Hydroxyphenethyl alcohol Safety Profile

Hazard Codes: IrritantXi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39-24/25-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39:Wear suitable gloves and eye/face protection. 
S24/25:Avoid contact with skin and eyes. 
S36:Wear suitable protective clothing.
WGK Germany: 3
F: 10
Hazard Note: Irritant
HS Code: 29072900

4-Hydroxyphenethyl alcohol Specification

 4-Hydroxyphenethyl alcohol (CAS NO.501-94-0) is also named as 2-(4-Hydroxyphenyl)ethanol ; NSC 59876 ; p-Hydroxyphenethyl alcohol ; 4-Hydroxyphenethyl alcohol ; Benzeneethanol, 4-hydroxy- . 4-Hydroxyphenethyl alcohol (CAS NO.501-94-0) is off-white to light beige crystals or crystalline.

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