2,3-Diaminophenol supplier | CasNO.59649-56-8

Name
2,3-Diaminophenol
EINECS
CAS No. 59649-56-8
Article Data18
CAS DataBase
Density 1.343 g/cm³
Solubility
Melting Point 161-165 °C
Formula C₆H₈N₂O
Boiling Point 303.6 °C at 760 mmHg
Molecular Weight 124.142
Flash Point 137.4 °C
Transport Information UN 3259 8/PG 2
Appearance White to beige crystalline powder
Safety 26
Risk Codes 20/22-36/37/38
Molecular Structure
Hazard Symbols Xn
Synonyms 2,3-Diaminophenol;3-Hydroxy-1,2-diaminobenzene;3-Hydroxy-1,2-phenylenediamine;3-Hydroxy-o-phenylenediamine;AC1LBBSB;AC1Q7AKD;AR-1D2346;CID579937;
PSA 72.27000
LogP 1.71900

Synthetic route

: 603-85-0
2-Amino-3-nitrophenol

: 59649-56-8
2,3-diaminophenol

Conditions

Conditions	Yield
With palladium 10% on activated carbon; hydrogen In methanol; ethyl acetate at 20℃; for 4h;	100%
With hydrogen; palladium 10% on activated carbon In ethanol at 20℃; for 12h;	99%
With hydrogen; palladium 10% on activated carbon In ethanol at 20℃; for 12h;	99%

: 872-50-4
1-methyl-pyrrolidin-2-one

HO-R1-OH: HO-R1-OH

: 2526-64-9
dichlorotriphenylphosphorane

: 59649-56-8
2,3-diaminophenol

Conditions

Conditions	Yield
In methanol	91%

...Expand

: 66-56-8
2,3-dinitrophenol

: 59649-56-8
2,3-diaminophenol

Conditions

Conditions	Yield
With palladium on activated charcoal; ethanol Hydrogenation;
With ethanol; nickel Hydrogenation;
With hydrogenchloride; tin

: 767-66-8
benzo[1,2,5]thiadiazol-4-ol

: 59649-56-8
2,3-diaminophenol

Conditions

Conditions	Yield
With hydrogenchloride; iron for 0.333333h; Heating;
With hydrogenchloride; iron for 0.333333h; Heating;

: 64-17-5
ethanol

: 66-56-8
2,3-dinitrophenol

NaH2PO2: NaH2PO2

copper: copper

: 59649-56-8
2,3-diaminophenol

...Expand

: 554-84-7
meta-nitrophenol

: 59649-56-8
2,3-diaminophenol

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: aqueous nitric acid 2: tin; aqueous HCl View Scheme

: 59649-56-8
2,3-diaminophenol

: 89-51-0
Homophthalic acid

: 1225211-00-6
C15H10N2O2

Conditions

Conditions	Yield
for 0.0833333h; Neat (no solvent); Microwave irradiation;	95%

: 59649-56-8
2,3-diaminophenol

: 122-00-9
para-methylacetophenone

: 67-64-1
acetone

: 1256661-50-3
6-hydroxy-4-(4-methylphenyl)-2,2-dimethyl-2,3-dihydro-1H-1,5-benzodiazepine

Conditions

Conditions	Yield
With acetic acid for 0.0333333h; Microwave irradiation;	95%

...Expand

: 59649-56-8
2,3-diaminophenol

: 579-74-8
2-Methoxyacetophenone

: 1256661-32-1
6-hydroxy-2,4-bis(2-methoxyphenyl)-2-methyl-2,3-dihydro-1H-1,5-benzodiazepine

Conditions

Conditions	Yield
With acetic acid for 0.0333333h; Microwave irradiation;	93%

: 59649-56-8
2,3-diaminophenol

: 123-54-6
acetylacetone

: 6-hydroxy-2,4-dimethyl-3H-benzo[b][1,4]diazepin-1-ium hydrogensulfonate

Conditions

Conditions	Yield
With sulfuric acid In ethanol at 20℃; for 0.5h;	92%

: 59649-56-8
2,3-diaminophenol

: 122-51-0
orthoformic acid triethyl ester

: 67021-83-4
4-hydroxy-1H-benzimidazole

Conditions

Conditions	Yield
With toluene-4-sulfonic acid at 120℃;	90%

: 59649-56-8
2,3-diaminophenol

: 126-81-8
dimedone

A: 1048041-42-4
C14H18N2O2

B: 1048339-51-0
C14H18N2O2

Conditions

Conditions	Yield
In toluene Heating / reflux;	A 90% B n/a
In toluene Heating / reflux;

...Expand

: 59649-56-8
2,3-diaminophenol

: 27318-90-7
1,10-phenanthroline-5,6-dione

: 873928-03-1
6-hydroxydipyrido[3,2-a:2',3'-c]phenazine

Conditions

Conditions	Yield
In ethanol for 4h; Reflux;	90%
In ethanol for 4h; Reflux;	60%
In ethanol at 80℃; for 3h; Inert atmosphere;	58.2%
In ethanol for 6h; Heating;	45.9%

: 59649-56-8
2,3-diaminophenol

: 586-37-8
1-(3-Methoxyphenyl)ethanone

: 1256661-30-9
6-hydroxy-2,4-bis(3-methoxyphenyl)-2-methyl-2,3-dihydro-1H-1,5-benzodiazepine

Conditions

Conditions	Yield
With acetic acid for 0.0333333h; Microwave irradiation;	90%

: 59649-56-8
2,3-diaminophenol

: 100-06-1
1-(4-methoxyphenyl)ethanone

: 1256661-28-5
6-hydroxy-2,4-bis(4-methoxyphenyl)-2-methyl-2,3-dihydro-1H-1,5-benzodiazepine

Conditions

Conditions	Yield
With acetic acid for 0.05h; Microwave irradiation;	88%

: 59649-56-8
2,3-diaminophenol

: 280566-45-2
2-chloro-6-(trifluoromethyl)pyridine-3-carboxylic acid

: 1039715-27-9
7-hydroxy-2-(trifluoromethyl)-6,11-dihydro-5H-pyrido[2,3-b][1,5]benzodiazepin-5-one

Conditions

Conditions	Yield
With sulfolane at 150℃;	87%
In sulfolane at 150℃; Inert atmosphere;

: 59649-56-8
2,3-diaminophenol

: 110-15-6
succinic acid

: C10H8N2O2

Conditions

Conditions	Yield
for 0.0833333h; Neat (no solvent); Microwave irradiation;	85%

: 110-86-1
pyridine

: 59649-56-8
2,3-diaminophenol

: (pyridine-2-methanolato)2Ti(O(i)Pr)2

: (pyridine-2-methanolato)2Ti(2,3-diaminophenolato)2*pyridine

Conditions

Conditions	Yield
In pyridine byproducts: isopropanol; (inert atm.); addn. of alcohol to a stirred soln. of titanium complex inpyridine, heating to dissolve, stirring for 12 h; slow evapn.; elem. anal.;	84.4%

...Expand

: 59649-56-8
2,3-diaminophenol

: 123-54-6
acetylacetone

: 76-05-1
trifluoroacetic acid

: 6-hydroxy-2,4-dimethyl-3H-benzo[b][1,4]diazepin-1-ium trifluoroacetate

Conditions

Conditions	Yield
In ethanol at 20℃; for 0.5h;	82%

...Expand

: 59649-56-8
2,3-diaminophenol

: 109-77-3
malononitrile

: 475576-83-1
2,7,8-triamino-4-(3-bromo-4,5-dimethoxyphenyl)-4H-chromene-3-carbonitrile

Conditions

Conditions	Yield
Stage #1: 5-bromoveratralaldehyde; malononitrile With N,N-dimethylisopropyl amine In ethanol at 20℃; for 2h; Stage #2: 2,3-diaminophenol In ethanol at 20℃;	82%

: 59649-56-8
2,3-diaminophenol

: 100-19-6
(4-nitrophenyl)ethanone

: 1256661-46-7
6-amino-2-methyl-2,4-bis(4-nitrophenyl)-2,3-dihydro-1,5-benzoxazepine

Conditions

Conditions	Yield
With acetic acid for 0.05h; Microwave irradiation;	81%

: 59649-56-8
2,3-diaminophenol

: 122-00-9
para-methylacetophenone

: 1256661-42-3
6-amino-2-methyl-2,4-bis(4-methylphenyl)-2,3-dihydro-1,5-benzoxazepine

Conditions

Conditions	Yield
With toluene-4-sulfonic acid for 0.0333333h; Microwave irradiation;	81%

: 59649-56-8
2,3-diaminophenol

: 13665-04-8
2,2-dibromoacetophenone

: 2-phenylquinoxalin-5-ol

Conditions

Conditions	Yield
With diethylamine In N,N-dimethyl-formamide at 90℃; for 5h;	80%

: 59649-56-8
2,3-diaminophenol

: 849585-22-4
LACTIC ACID

: C9H10N2O2

Conditions

Conditions	Yield
for 6h; Reflux;	78%

: 59649-56-8
2,3-diaminophenol

: 797047-27-9
(3Z)-1-ethyl-3-[(ethylcarbamoylamino)-methylsulfanyl-methylene]urea

: C10H12N4O2

Conditions

Conditions	Yield
With sulfuric acid; sodium acetate In 1,4-dioxane for 1h; pH=3.5; Heating;	77%

: 59649-56-8
2,3-diaminophenol

: 6948-30-7
5-bromoveratralaldehyde

: 109-77-3
malononitrile

: 475576-83-1
2,7,8-triamino-4-(3-bromo-4,5-dimethoxyphenyl)-4H-chromene-3-carbonitrile

Conditions

Conditions	Yield
With piperidine In ethanol at 80℃; for 16h; Inert atmosphere;	76%
With piperidine In ethanol at 20℃;

...Expand

: 59649-56-8
2,3-diaminophenol

: 1232423-29-8
3-amino-6-(4-(methylsulfonyl)phenyl)pyrazine-2-carboxylic acid

: 1232410-76-2
2-(3-amino-6-(4-(methylsulfonyl)phenyl)pyrazin-2-yl)-1H-benzo[d]imidazol-7-ol

Conditions

Conditions	Yield
With diethyl cyanophosphonate; triethylamine In 1,2-dimethoxyethane at 170℃; for 1h; Microwave irradiation;	74%

: 59649-56-8
2,3-diaminophenol

: 58479-61-1
tert-butylchlorodiphenylsilane

: 3-((tert-butyldiphenylsilyl)oxy)benzene-1,2-diamine

Conditions

Conditions	Yield
With 1H-imidazole In dichloromethane at 20℃; for 48h;	73%
With 1H-imidazole In dichloromethane at 20℃; for 48h;	73%

: 59649-56-8
2,3-diaminophenol

: 1370618-93-1
4"-trifluoromethyl[1",4';1',4]terphenyl-1-carbaldehyde

: 1370618-69-1
4-hydroxy-2-(4-trifluoromethyl[1,1':4',1''-terphenyl]-4-yl)-1H-benzo[d]imidazole

Conditions

Conditions	Yield
With sodium metabisulfite In ethanol; water at 70 - 80℃;	70%

: 59649-56-8
2,3-diaminophenol

: 1370618-98-6
3-chloro[1,1';4',1'']terphenyl-4''-carbaldehyde

Conditions

Conditions	Yield
With sodium metabisulfite In ethanol; water at 70 - 80℃;	70%

: 59649-56-8
2,3-diaminophenol

Conditions

Conditions	Yield
With sodium metabisulfite In ethanol; water at 70 - 80℃;	68%

2,3-diaminophenol: 2,3-diaminophenol

: 1370618-94-2
4"-trifluoromethoxy[1",4';1',4]terphenyl-1-carbaldehyde

: 1370618-71-5
4-hydroxy-2-(4-trifluoromethoxy[1,1':4',1''-terphenyl]-4-yl)-1H-benzo[d]imidazole

Conditions

Conditions	Yield
With sodium metabisulfite In ethanol; water at 70 - 80℃;	68%

: 59649-56-8
2,3-diaminophenol

: 194928-59-1
(2E)-3-[6-(acetylamino)-3-pyridinyl]-N-{2-[3-(chloromethyl)-2,4-dichloromethylanilino]-2-oxoethyl}-2-propenamide

: 177478-41-0
(2E)-3-[6-(acetylamino)-3-pyridinyl]-N-{2-[2,4-dichloro-3-[(2,3-diaminophenoxy)methyl]methylanilino]-2-oxoethyl}-2-propenamide

Conditions

Conditions	Yield
Stage #1: 2,3-diaminophenol With sodium hydride In N,N-dimethyl-formamide for 0.333333h; cooling; Stage #2: (2E)-3-[6-(acetylamino)-3-pyridinyl]-N-{2-[3-(chloromethyl)-2,4-dichloromethylanilino]-2-oxoethyl}-2-propenamide In N,N-dimethyl-formamide at 0 - 20℃; for 2.5h;	66.6%

: 59649-56-8
2,3-diaminophenol

: 17800-49-6
[1,1′:4′,1″-terphenyl]-4-carbaldehyde

: 1370618-67-9
4-hydroxy-2-([1,1':4',1''-terphenyl]-4-yl)-1H-benzo[d]imidazole

Conditions

Conditions	Yield
With sodium metabisulfite In ethanol; water at 70 - 80℃;	65%

2,3-Diaminophenol Specification

The Phenol, 2,3-diamino- with CAS registry number of 59649-56-8 is also known as 3-Hydroxy-1,2-diaminobenzene. The IUPAC name is 2,3-Diaminophenol . It belongs to product categories of Phenol&Thiophenol&Mercaptan; Phenoles and thiophenoles; Organic Building Blocks; Oxygen Compounds; Phenols. In addition, the formula is C₆H₈N₂O and the molecular weight is 124.14. This chemical is a white to beige crystalline powder and should be stored in sealed containers in cool and dry place.

Physical properties about Phenol, 2,3-diamino- are: (1)ACD/LogP: -0.30; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -0.34; (4)ACD/LogD (pH 7.4): -0.31; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 14.99; (8)ACD/KOC (pH 7.4): 16.2; (9)#H bond acceptors: 3; (10)#H bond donors: 5; (11)#Freely Rotating Bonds: 3; (12)Index of Refraction: 1.722; (13)Molar Refractivity: 36.6 cm³; (14)Molar Volume: 92.4 cm³; (15)Surface Tension: 77.1 dyne/cm; (16)Density: 1.343 g/cm³; (17)Flash Point: 137.4 °C; (18)Enthalpy of Vaporization: 56.56 kJ/mol; (19)Boiling Point: 303.6 °C at 760 mmHg; (20)Vapour Pressure: 0.000513 mmHg at 25 °C.

Uses of Phenol, 2,3-diamino-: it is used to produce 1(3)H-benzoimidazol-4-ol by reaction with triethoxymethane. The reaction occurs with reagent p-toluenesulfonic acid at 120 °C. The yield is about 90%.

Phenol, 2,3-diamino- is used to produce 1(3)H-benzoimidazol-4-ol by reaction with triethoxymethane.

When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes, respiratory system and skin. Besides, it is harmful by inhalation and if swallowed. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: C1=CC(=C(C(=C1)O)N)N
2. InChI: InChI=1S/C6H8N2O/c7-4-2-1-3-5(9)6(4)8/h1-3,9H,7-8H2
3. InChIKey: PCAXITAPTVOLGL-UHFFFAOYSA-N

Product Name

2,3-Diaminophenol

Synthetic route

2,3-Diaminophenol Specification

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