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51-19-4

Basic Information
CAS No.: 51-19-4
Name: 2-AMINOPHENOL HYDROCHLORIDE
Article Data: 6
Molecular Structure:
Molecular Structure of 51-19-4 (2-AMINOPHENOL HYDROCHLORIDE)
Formula: C6H7 N O . Cl H
Molecular Weight: 145.589
Synonyms: o-Hydroxyanilinehydrochloride;o-Aminophenol hydrochloride;Phenol, o-amino-, hydrochloride (8CI);Phenol,2-amino-, hydrochloride (9CI);
EINECS: 202-431-1
Density: 1.21 g/cm3
Melting Point: 207 °C
Boiling Point: 234.5 °C at 760 mmHg
Flash Point: 95.6 °C
Solubility: almost transparency
PSA: 46.25000
LogP: 2.35760
Synthetic route
95-55-6

2-amino-phenol

51-19-4

2-aminophenol hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In methanol for 15h; Inert atmosphere;90%
With hydrogenchloride In methanol at 20℃; for 15h; pH=2 - 5;
With hydrogenchloride In water
7653-60-3

3-methyl-1,4-benzoxazin-2-one

64-17-5

ethanol

A

617-35-6

2-oxo-propionic acid ethyl ester

B

51-19-4

2-aminophenol hydrochloride

Conditions
ConditionsYield
With hydrogenchloride for 0.25h; boiling water bath;

3-carboxyethylbenzoxazinone

A

328-50-7

α-ketoglutaric acid

B

51-19-4

2-aminophenol hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 0.25h; boiling water bath;
64-17-5

ethanol

27990-57-4

3-phenyl-1,4-benzoxazin-2-one

A

1603-79-8

phenylglyoxylic acid ethyl ester

B

51-19-4

2-aminophenol hydrochloride

Conditions
ConditionsYield
With hydrogenchloride for 0.25h; boiling water bath;
88-75-5

2-hydroxynitrobenzene

51-19-4

2-aminophenol hydrochloride

Conditions
ConditionsYield
With hydrogenchloride; tin(ll) chloride In ethanol; water at 30℃; Rate constant; Mechanism; various concentration of HCl; different amounts of H2O as solvent;
3913-17-5

2-chloro-4,8-dimethyl-quinoline

51-19-4

2-aminophenol hydrochloride

1436858-64-8

2-(4,8-dimethylquinolin-2-ylamino)phenol hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In ethanol; water Heating;92%
3913-18-6

2-chloro-4,6-dimethylquinoline

51-19-4

2-aminophenol hydrochloride

1436858-58-0

2-(4,6-dimethylquinolin-2-ylamino)phenolhydrochloride

Conditions
ConditionsYield
With hydrogenchloride In ethanol; water Heating;86%
51-19-4

2-aminophenol hydrochloride

2007-97-8

trichloro(o-phenylenedioxy)phosphorane

66258-52-4

2λ5,13'λ5-dispiro[benzo[1,3,2]dioxaphosphole-2,6'-dibenzo[d,d'][1,3,2,4]diazadiphospheto[2,1-b;4,3-b']bis[1,3,2]oxazaphosphole-13',2''-benzo[1,3,2]dioxaphosphole]

Conditions
ConditionsYield
85%
1147550-11-5

ammonium thiocyanate

51-19-4

2-aminophenol hydrochloride

1520-26-9

2-hydroxyphenylthiourea

Conditions
ConditionsYield
at 120 - 130℃; for 0.75h;83%
10200-59-6

Thiazole-2-carbaldehyde

51-19-4

2-aminophenol hydrochloride

(E)-2-((thiazol-2-ylmethylene)amino)phenol

Conditions
ConditionsYield
With triethylamine In toluene at 50℃; for 24h;81.6%
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Chemistry

Molecular formula :C6H7NO
Molar mass :109.13 g/mol
Appearance :White orthorhombic pyramidal needles
Density :1.328 g/cm3
Melting point :174 °C
Solubility in WATER:slightly soluble in cold WATER, soluble in hot WATER

Uses

it is an amphoteric molecule and a reducing agent.

Production

It is industrially synthesized by reducing the corresponding nitrophenol by hydrogen in the presence of various catalysts.

Toxicity Data With Reference

RTECS  SJ6069000