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2-Phenylethylamine hydrochloride

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Name

2-Phenylethylamine hydrochloride

EINECS 205-849-2
CAS No. 156-28-5 Density N/A
PSA 26.02000 LogP 2.69010
Solubility N/A Melting Point 220-222 °C(lit.)
Formula C8H12ClN Boiling Point 196.5 °C at 760 mmHg
Molecular Weight 157.643 Flash Point 90.6 °C
Transport Information UN 2811 Appearance N/A
Safety 26-36 Risk Codes 22-36/37/38
Molecular Structure Molecular Structure of 156-28-5 (2-Phenylethylamine hydrochloride) Hazard Symbols HarmfulXn, IrritantXi
Synonyms

Benzeneethanamine,hydrochloride (9CI);Phenethylamine, hydrochloride (8CI);2-Phenethylaminehydrochloride;2-Phenethylammonium chloride;Benzeneethanamine,hydrochloride (1:1);2-Phenylethylammonium chloride;Phenethylammonium chloride;b-Phenethylamine hydrochloride;b-Phenylethylamine hydrochloride;

Article Data 56

2-Phenylethylamine hydrochloride Synthetic route

140-29-4

phenylacetonitrile

156-28-5

2-phenylethylamine hydrochloride

Conditions
ConditionsYield
With hydrogenchloride; hydrogen In propan-1-ol; water at 60℃; under 375.038 Torr; for 18h; Flow reactor;100%
Stage #1: phenylacetonitrile With water; palladium diacetate; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In dichloromethane at 25℃; for 12h; Sealed tube; Inert atmosphere;
Stage #2: With hydrogenchloride In water chemoselective reaction;
99%
Stage #1: phenylacetonitrile With ammonium hydroxide; hydrogen; cobalt(II) diacetate tetrahydrate; zinc trifluoromethanesulfonate; zinc In methanol at 120℃; under 30003 Torr; for 15h; Sealed tube; Autoclave;
Stage #2: With hydrogenchloride In diethyl ether
96%
6926-44-9

phenethyl azide

156-28-5

2-phenylethylamine hydrochloride

Conditions
ConditionsYield
Stage #1: phenethyl azide With triphenylphosphine at 110℃; for 20h; Staudinger Azide Reduction; Green chemistry;
Stage #2: With hydrogenchloride In 1,4-dioxane; diethyl ether Green chemistry;
97%
Stage #1: phenethyl azide With 1,3-diphenyl-disiloxane; triphenylphosphine at 20℃; for 24h; Staudinger Azide Reduction;
Stage #2: With water
Stage #3: With hydrogenchloride In 1,4-dioxane chemoselective reaction;
90%
Multi-step reaction with 2 steps
1: benzene / Ambient temperature
2: HCl / benzene / 2 h / Ambient temperature
View Scheme
64-04-0

phenethylamine

156-28-5

2-phenylethylamine hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In methanol90%
With hydrogenchloride In water
With hydrogenchloride In methanol; diethyl ether at 20℃; Inert atmosphere;
With hydrogenchloride In water at 20℃;68.6 mg
6125-24-2

2-Phenylnitroethane

156-28-5

2-phenylethylamine hydrochloride

Conditions
ConditionsYield
Stage #1: 2-Phenylnitroethane With C36H56Cl3CrN2O; magnesium; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In tetrahydrofuran at 60℃; for 24h; Inert atmosphere; Schlenk technique;
Stage #2: With hydrogenchloride In tetrahydrofuran; water; ethyl acetate at 20℃;
83%
102-93-2

3-phenylpropionamide

156-28-5

2-phenylethylamine hydrochloride

Conditions
ConditionsYield
Stage #1: 3-phenylpropionamide With tetrafluoroboric acid; iodobenzene; 3-chloro-benzenecarboperoxoic acid In dichloromethane; water at 25℃; for 48h; Hofmann rearrangement; Inert atmosphere;
Stage #2: With hydrogenchloride In dichloromethane; water Inert atmosphere;
82%
With hydrogenchloride; formic acid; iodosylbenzene 1.) CH3CN, H2O, 15 h, room temp.; Yield given. Multistep reaction;

1-phenethyl-3,4-diphenyl-1H-pyrrole-2,5-dione

A

4808-48-4

2,3-diphenylmaleic anhydride

B

156-28-5

2-phenylethylamine hydrochloride

Conditions
ConditionsYield
Stage #1: 1-phenethyl-3,4-diphenyl-1H-pyrrole-2,5-dione With potassium hydroxide In ethanol; water at 102℃; for 0.133333h; Microwave irradiation; Green chemistry;
Stage #2: With hydrogenchloride In ethanol; water pH=4; Temperature; Green chemistry;
A n/a
B 82%
63-91-2

L-phenylalanine

156-28-5

2-phenylethylamine hydrochloride

Conditions
ConditionsYield
Stage #1: L-phenylalanine With (R)-Carvone In propan-1-ol at 190℃; under 11251.1 Torr; for 0.0833333h; Sealed tube;
Stage #2: With hydrogenchloride In propan-1-ol; water at 190℃; for 0.0833333h;
78%
Multi-step reaction with 2 steps
1: propan-1-ol / 20 - 190 °C / Green chemistry
2: hydrogenchloride / propan-1-ol / 0.08 h / 190 °C / Green chemistry
View Scheme

C18H23N

156-28-5

2-phenylethylamine hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In propan-1-ol at 190℃; for 0.0833333h; Temperature; Green chemistry;78%
3278-14-6

N-phenethylbenzamide

925-90-6

ethylmagnesium bromide

A

156-28-5

2-phenylethylamine hydrochloride

B

93-55-0

1-phenyl-propan-1-one

Conditions
ConditionsYield
Stage #1: N-phenethylbenzamide With 2-fluoropyridine; trifluoromethylsulfonic anhydride In dichloromethane at 0℃; for 0.5h;
Stage #2: ethylmagnesium bromide With cerium(III) chloride In tetrahydrofuran; dichloromethane at -78℃; for 2h;
Stage #3: With hydrogenchloride In ethyl acetate
A 76%
B n/a
103-81-1

Benzeneacetamide

156-28-5

2-phenylethylamine hydrochloride

Conditions
ConditionsYield
Stage #1: Benzeneacetamide With [(aNHC)KN(SiMe3)2]2; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In toluene at 40℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique;
Stage #2: With water; sodium hydroxide In diethyl ether; toluene at 40℃; for 1h; Inert atmosphere; Glovebox; Schlenk technique;
Stage #3: With hydrogenchloride In diethyl ether; water Inert atmosphere; Glovebox; Schlenk technique;
75%
Stage #1: Benzeneacetamide With triethyl borane; phenylsilane; potassium acetate In tetrahydrofuran; tert-butyl methyl ether at 120℃; Inert atmosphere; Schlenk technique; Sealed tube;
Stage #2: With hydrogenchloride In ethyl acetate at 20℃; for 8h; Inert atmosphere; chemoselective reaction;
54%
Stage #1: Benzeneacetamide With triethyl borane; phenylsilane; potassium acetate In tert-butyl methyl ether at 120℃; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;
Stage #2: With hydrogenchloride In ethyl acetate at 20℃; for 8h; Inert atmosphere; Schlenk technique; Glovebox; Sealed tube;
54%
Multi-step reaction with 2 steps
1: lithium 2,6-di-tert-butylphenolate / neat (no solvent) / 18 h / 60 °C / Inert atmosphere; Glovebox; Schlenk technique
2: sodium hydroxide / water; diethyl ether / 1 h
View Scheme

2-Phenylethylamine hydrochloride Chemical Properties

The molecular structure of 2-Phenylethylamine hydrochloride (CAS NO.156-28-5):

IUPAC Name: 2-Phenylethanamine hydrochloride 
Molecular Weight: 157.64058 g/mol
Molecular Formula: C8H12ClN 
Melting Point: 220-222 °C(lit.)
Flash Point: 90.6 °C
Enthalpy of Vaporization: 43.27 kJ/mol
Boiling Point: 196.5 °C at 760 mmHg
Vapour Pressure: 0.398 mmHg at 25 °C
H-Bond Donor: 2
H-Bond Acceptor: 1
Rotatable Bond Count: 2
Exact Mass: 157.065827
MonoIsotopic Mass: 157.065827
Topological Polar Surface Area: 26
Heavy Atom Count: 10
Canonical SMILES: C1=CC=C(C=C1)CCN.Cl
InChI: InChI=1S/C8H11N.ClH/c9-7-6-8-4-2-1-3-5-8;/h1-5H,6-7,9H2;1H
InChIKey: SKHIBNDAFWIOPB-UHFFFAOYSA-N
EINECS: 205-849-2 
Classification Code: Drug / Therapeutic Agent; Human Data; Skin / Eye Irritant

2-Phenylethylamine hydrochloride Toxicity Data With Reference

1.    

eye-man 50 mg SEV

    AIMDAP    Archives of Internal Medicine. 39 (1927),404.
2.    

orl-hmn TDLo:714 mg/kg:CVS

    AIMDAP    Archives of Internal Medicine. 39 (1927),404.
3.    

orl-hmn TDLo:45 mg/kg:CNS

    KLWOAZ    Klinische Wochenscrift. 17 (1938),1580.
4.    

scu-rat LDLo:160 mg/kg

    JPETAB    Journal of Pharmacology and Experimental Therapeutics. 71 (1941),62.
5.    

scu-mus LD50:470 mg/kg

    JPPMAB    Journal of Pharmacy and Pharmacology. 15 (1963),472.
6.    

ivn-rbt LDLo:50 mg/kg

    JPETAB    Journal of Pharmacology and Experimental Therapeutics. 36 (1929),363.
7.    

skn-gpg LDLo:200 mg/kg

    JPETAB    Journal of Pharmacology and Experimental Therapeutics. 32 (1927),121.

2-Phenylethylamine hydrochloride Consensus Reports

Reported in EPA TSCA Inventory.

2-Phenylethylamine hydrochloride Safety Profile

Hazard Codes: HarmfulXn, IrritantXi
Risk Statements: 22-36/37/38 
R22:Harmful if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
RIDADR: 2811
WGK Germany: 3
RTECS: SH7175000
HazardClass: 6.1(b)
PackingGroup: III
Poison by skin contact, subcutaneous, and intravenous routes. A human eye irritant. A skin irritant and possible sensitizer. Human systemic effects by ingestion: blood pressure lowering, anorexia. When heated to decomposition it emits very toxic fumes of NOx and HCl. 

2-Phenylethylamine hydrochloride Specification

 2-Phenylethylamine hydrochloride (CAS NO.156-28-5) is also named as 1-Phenyl-2-aminoethane hydrochloride ; Benzeneethanamine hydrochloride ; NSC 138569 ; Phenethylammonium chloride ; UNII-VOF61XW69D ; USAF EL-76 ; beta-Phenethylamine hydrochloride ; beta-Phenylathylaminhydrochlorid ; beta-Phenylathylaminhydrochlorid [German] ; beta-Phenylethylamine hydrochloride .

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