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Hydroquinone

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Identification
Molecular formula
C6H4(OH)2
CAS number
123-31-9
IUPAC name
4-(2-amino-1-hydroxy-ethyl)phenol
State
State

At room temperature, hydroquinone is a solid. It is typically in the form of a white crystalline powder or granules.

Melting point (Celsius)
172.00
Melting point (Kelvin)
445.15
Boiling point (Celsius)
287.60
Boiling point (Kelvin)
560.75
General information
Molecular weight
110.11g/mol
Molar mass
110.1110g/mol
Density
1.3440g/cm3
Appearence

Hydroquinone is typically seen as a granular solid that is white in color and has a slight odor. It is commonly available as a powder or crystals and can darken upon exposure to light and air due to oxidation.

Comment on solubility

Solubility of 4-(2-amino-1-hydroxy-ethyl)phenol

The solubility of 4-(2-amino-1-hydroxy-ethyl)phenol (C6H4(OH)2) is influenced by its molecular structure, which contains both hydrophilic and hydrophobic characteristics. Here are some key points regarding its solubility:

  • Hydroxyl Groups: The presence of hydroxyl (-OH) groups in the molecular structure increases its ability to interact with water molecules, thereby enhancing solubility in aqueous environments.
  • Amine Group: The amino (-NH2) group also contributes to hydrogen bonding with water, which can further promote solubility.
  • Hydrophobic Character: Despite the polar functional groups, the phenolic ring introduces a degree of hydrophobicity, which might limit its solubility in certain organic solvents.

In summary, it can be generally stated that:

  1. This compound is likely to be soluble in polar solvents such as water and alcohol.
  2. However, its solubility may be somewhat reduced in non-polar solvents due to its aromatic character.

Overall, the dual nature of 4-(2-amino-1-hydroxy-ethyl)phenol allows for interesting solubility behavior, making it a fascinating subject for further study in solution chemistry.

Interesting facts

Interesting Facts about 4-(2-amino-1-hydroxy-ethyl)phenol

4-(2-amino-1-hydroxy-ethyl)phenol, commonly known as a derivative of phenol, is a fascinating organic compound with significant applications in various fields. Here are some key insights into this compound:

  • Chemical Structure: This compound features a phenolic group that is modified with an amine and a hydroxyl group. The presence of these functional groups contributes to its interesting reactivity.
  • Biological Relevance: The amino group makes this compound an important building block in the synthesis of pharmaceuticals and biologically active molecules, showcasing its potential for medicinal chemistry.
  • Therapeutic Potential: Due to its structural similarity to other known compounds, it may have properties that offer antioxidant or anti-inflammatory benefits, highlighting its potential use in health and wellness products.
  • Polymer Chemistry: This compound can be employed in the formulation of polymers, particularly those requiring phenolic resins, thus appearing in coatings and adhesives.
  • Synthetic Versatility: Scientists appreciate this compound for its ability to undergo various reactions, including nucleophilic substitutions, which can be utilized in the development of new materials.

As researchers continue to explore its properties and applications, 4-(2-amino-1-hydroxy-ethyl)phenol represents a valuable example of how fundamental organic chemistry principles can lead to innovative solutions in science and industry.


Synonyms
octopamine
104-14-3
Norsynephrine
4-(2-Amino-1-hydroxyethyl)phenol
Norsympatol
Norsympathol
Norden
Norphen
Octopamina
Analet
octopaminum
Octapamine
p-Norsynephrin
Octopamine [INN]
Paraoxyphenyl aminoethanol
ND 50
1-(p-Hydroxyphenyl)-2-aminoethanol
Octopaminum [Latin]
Octopamin
WIN 5512
Octopaminum [INN-Latin]
p-Hydroxyphenylethanolamine
beta-hydroxytyramine
Octopamina [INN-Spanish]
alpha-(Aminoethyl)-4-hydroxybenzenemethanol
alpha-(Aminomethyl)-p-hydroxybenzyl alcohol
alpha-Aminoethyl-4-hydroxybenzylalkohol
4-Octopamine
alpha-(Aminoethyl)-p-hydroxybenzyl alcohol
alpha-(aminomethyl)-4-hydroxybenzenemethanol
EINECS 203-179-5
UNII-14O50WS8JD
Benzenemethanol, alpha-(aminomethyl)-4-hydroxy-
BRN 1211019
14O50WS8JD
DTXSID7043873
CHEBI:17134
ND-50
NSC-757399
DTXCID5023873
para-Octopamine
Benzyl alcohol, alpha-(aminomethyl)-p-hydroxy-
4-13-00-02656 (Beilstein Handbook Reference)
Octopaminum (Latin)
NSC 757399
D,L-Octopamine
NCGC00015760-06
Octopamina [Spanish]
Octopaminum (INN-Latin)
.alpha.-(Aminomethyl)-p-hydroxybenzyl alcohol
Octopamina (INN-Spanish)
OCTOPAMINE (MART.)
OCTOPAMINE [MART.]
CAS-104-14-3
1-(4-Hydroxyphenyl)-2-aminoethanol
benzene, 1-(2-amino-1-hydroxy)ethyl-4-hydroxy-
4-(2-amino-1-hydroxyethyl)phenol;hydrochloride
2-Amino-1-(4-hydroxyphenyl)ethanol
Octopamine1531
4-(2-Amino-1-hydroxy-ethyl)phenol
Benzenemethanol, alpha-(aminomethyl)-4-hydroxy-, hydrochloride
Spectrum_000201
OCTOPAMINE [MI]
Prestwick0_000949
Prestwick1_000949
Prestwick2_000949
Prestwick3_000949
Spectrum2_000222
Spectrum3_000275
Spectrum4_000402
Spectrum5_001543
(.+/-.)-Octopamine
OCTOPAMINE [WHO-DD]
Lopac0_000932
SCHEMBL22605
BSPBio_000918
BSPBio_001750
KBioGR_000664
KBioSS_000681
CHEMBL53929
DivK1c_000245
SPBio_000263
SPBio_003077
BPBio1_001010
cid_102484
GTPL2149
BDBM32764
KBio1_000245
KBio2_000681
KBio2_003249
KBio2_005817
KBio3_001250
(A+/-)-Octopamine hydrochloride
C01CA18
NINDS_000245
ALBB-025791
HY-B0528
Tox21_110215
BBL009983
PDSP1_001544
PDSP2_001528
STK801377
4-(2-Amino-1-hydroxyethyl)phenol #
AKOS000123349
Tox21_110215_1
CCG-205013
DB13251
SDCCGMLS-0066599.P001
SDCCGSBI-0050906.P004
IDI1_000245
SMP1_000221
4-[(rs)-2-amino-1-hydroxyethyl]phenol
NCGC00015760-03
NCGC00015760-05
NCGC00015760-07
NCGC00015760-08
NCGC00015760-09
NCGC00015760-10
NCGC00015760-12
NCGC00015760-14
NCGC00015760-23
NCGC00015760-24
NCGC00091918-03
NCGC00091918-04
4-[(1rs)-2-amino-1-hydroxyethyl]phenol
4-[(IRS)-2-amino-1-hydroxyethyl]phenol
SBI-0050906.P003
DB-040514
AB00053571
4-(2-amino-1-hydroxy-ethyl)phenol;hydrochloride
AB00053571-13
AB00053571_14
AB00053571_15
EN300-1264124
4-(2-azanyl-1-oxidanyl-ethyl)phenol;hydrochloride
Benzenemethanol, .alpha.-(aminomethyl)-4-hydroxy-
Benzyl alcohol, .alpha.-(aminomethyl)-p-hydroxy-
Q424979
BRD-A14240607-003-24-6
BRD-A14240607-003-25-3
BRD-A14240607-003-26-1
BRD-A14240607-003-27-9
(.+/-.)-.alpha.-(Aminomethyl)-p-hydroxybenzyl alcohol
64C59BC0-9C98-49EF-A853-8849F02ABAAC
F2173-0210
RACTOPAMINE HYDROCHLORIDE SUSPENSION IMPURITY, OCTOPAMINE- [USP IMPURITY]
203-179-5