2,3-Dimethylbromobenzene supplier

Name
2,3-Dimethylbromobenzene
EINECS 209-398-2
CAS No. 576-23-8
Article Data29
CAS DataBase
Density 1.339 g/cm³
Solubility Not miscible or difficult to mix in water.
Melting Point -20.49°C (estimate)
Formula C₈H₉Br
Boiling Point 211 °C at 760 mmHg
Molecular Weight 185.063
Flash Point 84 °C
Transport Information
Appearance Clear colourless to light yellow liquid
Safety 26-36/37/39-24/25
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms o-Xylene,3-bromo- (6CI,7CI,8CI);1-Bromo-2,3-dimethylbenzene;
PSA 0.00000
LogP 3.06590

Synthetic route

: 95-47-6
o-xylene

A: 583-71-1
4-bromo-o-xylene

B: 576-23-8
2,3-dimethylbromobenzene

Conditions

Conditions	Yield
With bromine; acetic acid	A 82% B 18%
With bromine; iodine In dichloromethane at -10 - 20℃; for 7.58333h;	A 75% B 15%
With hydrogenchloride; sodium hypochlorite; sodium bromide In water at 29.85℃; for 8h; Product distribution; Further Variations:; Temperatures;	A 24.6% B 68.5%

: 87-59-2
2,3-Dimethylaniline

: 576-23-8
2,3-dimethylbromobenzene

Conditions

Conditions	Yield
With nitrogen(II) oxide; copper(ll) bromide In acetonitrile at -78 - 25℃;	73%
With hydrogen bromide diazotization;	40%
With hydrogen bromide Diazotization.Erwaermen der Diazoniumsalz-Loesung mit Kupfer-Pulver;

: 526-75-0
2,3-Dimethylphenol

: 576-23-8
2,3-dimethylbromobenzene

Conditions

Conditions	Yield
With bromine; triphenylphosphine In acetonitrile	60%
With bromine; triphenylphosphine In acetonitrile at 25℃; for 48h;	41.1%

: 593-53-3
Methyl fluoride

: 95-46-5
2-methylphenyl bromide

A: 576-22-7
2-Bromo-m-xylene

B: 553-94-6
4-bromo-m-xylene

C: 583-70-0
1-bromo-2,4-dimethylbenzene

D: 576-23-8
2,3-dimethylbromobenzene

Conditions

Conditions	Yield
With oxygen at 40℃; under 720 Torr; Mechanism; Irradiation;	A n/a B n/a C 13.7% D 32.8%

...Expand

: 22364-25-6
4-bromo-2,3-dimethylaniline

: 576-23-8
2,3-dimethylbromobenzene

Conditions

Conditions	Yield
With hydrogen bromide; sodium nitrite anschliessend Behandeln mit Natriumhypophosphit und wss. Bromwasserstoffsaeure;

: 75366-04-0
2-methyl-1H-cyclopropabenzene

A: 576-22-7
2-Bromo-m-xylene

B: 576-23-8
2,3-dimethylbromobenzene

Conditions

Conditions	Yield
With bromine; tri-n-butyl-tin hydride Product distribution; Mechanism; multistep reaction; reaction regioselectivity; a series of reagents;

: 92-52-4
biphenyl

: 61024-97-3
3-bromo-5-tert-butyl-o-xylene

: 576-23-8
2,3-dimethylbromobenzene

Conditions

Conditions	Yield
With aluminium trichloride In tetrachloromethane; nitromethane

: 95-47-6
o-xylene

A: 583-71-1
4-bromo-o-xylene

B: 576-23-8
2,3-dimethylbromobenzene

C: 89-92-9
2-methylbenzyl bromide

D: 91-13-4
α,α'-dibromo-o-xylene

Conditions

Conditions	Yield
With bromine In water for 0.333333h; Ambient temperature; Irradiation;	A 3 % Chromat. B 2 % Chromat. C 16 % Chromat. D 79 % Chromat.

...Expand

3-bromo-1.2-dimethyl-benzene-sulfonic acid-(4): 3-bromo-1.2-dimethyl-benzene-sulfonic acid-(4)

: 576-23-8
2,3-dimethylbromobenzene

Conditions

Conditions	Yield
With steam; sulfuric acid

6-bromo-1.2-dimethyl-benzene-sulfonic acid-(4): 6-bromo-1.2-dimethyl-benzene-sulfonic acid-(4)

: 576-23-8
2,3-dimethylbromobenzene

Conditions

Conditions	Yield
With steam; sulfuric acid

sodium salt of/the/ 3-bromo-1.2-dimethyl-benzenesulfonic acid-(4): sodium salt of/the/ 3-bromo-1.2-dimethyl-benzenesulfonic acid-(4)

: 576-23-8
2,3-dimethylbromobenzene

Conditions

Conditions	Yield
With sulfuric acid Destillieren mit ueberhitztem Wasserdampf;

sodium salt of/the/ 6-bromo-1.2-dimethyl-benzenesulfonic acid-(4): sodium salt of/the/ 6-bromo-1.2-dimethyl-benzenesulfonic acid-(4)

: 576-23-8
2,3-dimethylbromobenzene

Conditions

Conditions	Yield
With sulfuric acid Destillieren mit ueberhitztem Wasserdampf;

: 7397-06-0
4-t-butyl-o-xylene

: 576-23-8
2,3-dimethylbromobenzene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: Fe, Br2 / CCl4 2: AlCl3 / CCl4; nitromethane View Scheme

: 576-23-8
2,3-dimethylbromobenzene

: 127168-82-5
1-bromo-2,3-bis(bromomethyl)benzene

Conditions

Conditions	Yield
With N-Bromosuccinimide In tetrachloromethane Irradiation;	100%
With N-Bromosuccinimide; Perbenzoic acid In tetrachloromethane for 0.5h; Heating; Irradiation;	94.1%
With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane for 0.5h; Heating;	88%

: 576-23-8
2,3-dimethylbromobenzene

: 78-95-5
chloroacetone

: 42432-45-1
2-(2,3-dimethylphenyl)-2-methyloxirane

Conditions

Conditions	Yield
Stage #1: 2,3-dimethylbromobenzene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: chloroacetone In tetrahydrofuran; hexane; toluene at -78 - 20℃; for 1.33333h; Product distribution / selectivity;	100%
Stage #1: 2,3-dimethylbromobenzene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: chloroacetone In tetrahydrofuran; hexane; toluene at -78 - 20℃; Product distribution / selectivity;	100%

: 576-23-8
2,3-dimethylbromobenzene

: morpholine[1-(triphenylmethyl)-1H-imidazol-4-yl]methanone

: 176721-02-1
4-<(2,3-dimethylphenyl)carbonyl>-1-(triphenylmethyl)imidazole

Conditions

Conditions	Yield
Stage #1: 2,3-dimethylbromobenzene With iodine; magnesium In tetrahydrofuran at 65 - 70℃; for 1h; Stage #2: morpholine[1-(triphenylmethyl)-1H-imidazol-4-yl]methanone In tetrahydrofuran at 0 - 40℃; for 1h;	100%

: 498-66-8
norborn-2-ene

: 576-23-8
2,3-dimethylbromobenzene

: 5,6-dimethyl-1,2,3,4,4a,8b-hexahydro-1,4-cis,exo-methanobiphenylene

Conditions

Conditions	Yield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In N,N-dimethyl-formamide at 105℃; for 24h;	96%

: 576-23-8
2,3-dimethylbromobenzene

: 98-80-6
phenylboronic acid

: 3864-18-4
2,3-dimethyl-1,1'-biphenyl

Conditions

Conditions	Yield
With potassium carbonate; PdCl2[diethyl(o-ethylphenyl)phosphane]2 In N,N-dimethyl-formamide at 150℃; for 0.5h; Suzuki-Miyaura coupling reaction; microwave irradiation;	96%
With C21H25ClN2Pd; potassium carbonate In toluene at 80℃; for 2h; Suzuki-Miyaura Coupling;	82%
With caesium carbonate; cis-dibromobis[3-(2-propenyl)benzothiazolin-2-ylidene]Pd(II) In N,N-dimethyl-formamide at 100℃; for 19h; Suzuki-Miyaura coupling;	80 % Chromat.
With potassium phosphate; C17H14OC108H156N3O6P93Pd In tetrahydrofuran at 79.84℃; for 24h; Suzuki coupling; Inert atmosphere;	99 %Spectr.

: 576-23-8
2,3-dimethylbromobenzene

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

: 5779-93-1
2,3-dimethylbenzaldehyde

Conditions

Conditions	Yield
Stage #1: 2,3-dimethylbromobenzene With magnesium In tetrahydrofuran for 1h; Inert atmosphere; Reflux; Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at 20℃; for 2h; Concentration; Temperature;	96%

: 576-23-8
2,3-dimethylbromobenzene

: 116795-55-2
1-(1-triphenylmethyl-1H-imidazol-4-yl)-1-ethanone

: 176721-03-2
4-<1-(2,3-dimethylphenyl)-1-hydroxyethyl>-1-(triphenylmethyl)imidazole

Conditions

Conditions	Yield
Stage #1: 2,3-dimethylbromobenzene With magnesium In tetrahydrofuran for 1h; Reflux; Stage #2: 1-(1-triphenylmethyl-1H-imidazol-4-yl)-1-ethanone In tetrahydrofuran at 20℃; for 2h; Time;	89.7%

: 576-23-8
2,3-dimethylbromobenzene

: (1R,2R,4aS,8aS)-2,5,5,8a-tetramethyl-1-((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methyl)decahydronaphthalen-2-yl acetate

: (1R,2R,4aS,8aS)-1-(2,3-dimethylbenzyl)-2,5,5,8a-tetramethyldecahydronaphthalen-2-ol

Conditions

Conditions	Yield
With tris-(dibenzylideneacetone)dipalladium(0); sodium t-butanolate; ruphos In water; tert-butyl alcohol at 100℃; for 18h; Suzuki Coupling; Schlenk technique; Inert atmosphere;	89%

: 1068471-18-0
methyl 3-(4-ethynylphenyl)propanoate

: 576-23-8
2,3-dimethylbromobenzene

: 1082059-34-4
methyl 3-(4-((2,3-dimethylphenyl)ethynyl)phenyl)propanoate

Conditions

Conditions	Yield
With copper(l) iodide; sodium tetrachloropalladate(II); 2-[bis(1,1-dimethylethyl)phosphino]-1-phenyl-1H-indole In 2,3-dimethyl-2,3-diaminobutane at 80℃; Sonogashira coupling; Inert atmosphere;	86%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In N,N-dimethyl-formamide at 50℃; Sonogashira coupling; Inert atmosphere;	14%

: 576-23-8
2,3-dimethylbromobenzene

: 3034-50-2
4(5)formylimidazole

: (2,3-dimethylphenyl)(1H-imidazol-4-yl)methanol

Conditions

Conditions	Yield
Stage #1: 2,3-dimethylbromobenzene With iodine; magnesium In tetrahydrofuran for 1h; Reflux; Stage #2: 4(5)formylimidazole at 50℃; for 4h;	86%

: 124-38-9
carbon dioxide

: 576-23-8
2,3-dimethylbromobenzene

: 603-79-2
2,3-dimethylbenzoic acid

Conditions

Conditions	Yield
Stage #1: 2,3-dimethylbromobenzene With tert.-butyl lithium In diethyl ether Stage #2: carbon dioxide	84%
(i) Mg, (ii) /BRN= 1900390/; Multistep reaction;

: 576-23-8
2,3-dimethylbromobenzene

: 591-51-5
phenyllithium

: 3864-18-4
2,3-dimethyl-1,1'-biphenyl

Conditions

Conditions	Yield
With tris-(dibenzylideneacetone)dipalladium(0); tri-tert-butyl phosphine In tetrahydrofuran; toluene at 20℃; for 1h; Schlenk technique; Inert atmosphere;	84%

: 576-23-8
2,3-dimethylbromobenzene

: 134640-85-0
2,3-dimethylphenylmagnesium bromide

: 7495-46-7
2,2′,3,3′-tetramethylbiphenyl

Conditions

Conditions	Yield
triphenylphosphine; nickel dibromide In tetrahydrofuran Heating;	83%

: 576-23-8
2,3-dimethylbromobenzene

: 123-73-9
crotonaldehyde

: (3-(2,3-xylyl)-2-butenal)

Conditions

Conditions	Yield
With N-ethyl-N,N-diisopropylamine; tris-(dibenzylideneacetone)dipalladium(0); tri-tert-butyl phosphine In N,N-dimethyl-formamide; toluene at 100℃; for 18h; Product distribution / selectivity;	83%

: 576-23-8
2,3-dimethylbromobenzene

: 1888-75-1
isopropyllithium

: 22539-65-7
2,3-dimethylcumene

Conditions

Conditions	Yield
With bis(tri-t-butylphosphine)palladium(0) In toluene at 20℃; for 1h;	83%

: 576-23-8
2,3-dimethylbromobenzene

: 666829-97-6
2-(N,N-diethylcarboxamido)-4-methoxy-3-trimethylsilylphenylboronic acid

: N,N-diethyl-4-methoxy-3-trimethylsilyl-2′,3′-dimethylbiphenyl-2-carboxamide

Conditions

Conditions	Yield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane; ethanol; water at 100℃; for 16h; Suzuki-Miyaura Coupling;	83%

: 576-23-8
2,3-dimethylbromobenzene

: 106877-28-5
2-(Nonafluorobutyl)aniline

: 4-methyl-9-(perfluoropropyl)acridine

Conditions

Conditions	Yield
Stage #1: 2,3-dimethylbromobenzene With magnesium In tetrahydrofuran at 70℃; Stage #2: 2-(Nonafluorobutyl)aniline In tetrahydrofuran at -70 - 23℃; for 13h; Inert atmosphere; Stage #3: With water; oxygen In tetrahydrofuran	81%

: 108-86-1
bromobenzene

: 576-23-8
2,3-dimethylbromobenzene

: 3864-18-4
2,3-dimethyl-1,1'-biphenyl

Conditions

Conditions	Yield
Stage #1: 2,3-dimethylbromobenzene With iodine; magnesium In tetrahydrofuran at 22℃; for 0.5h; Inert atmosphere; Stage #2: bromobenzene With nickel dichloride In tetrahydrofuran at 66℃; for 3h; Inert atmosphere;	80%

: 576-23-8
2,3-dimethylbromobenzene

: 57090-88-7
1H-imidazole-4-carbonitrile

: 4-(2,3-dimethylbenzoyl)-1H-imidazole

Conditions

Conditions	Yield
Stage #1: 2,3-dimethylbromobenzene With magnesium; ethylene dibromide In tetrahydrofuran at 40 - 65℃; for 1h; Stage #2: 1H-imidazole-4-carbonitrile With isopropylmagnesium chloride In tetrahydrofuran at -5 - 0℃; for 2h; Stage #3: With sulfuric acid In tetrahydrofuran; water at 30℃; for 3h;	80%

: 3612-20-2
1-phenylmethyl-4-piperidone

: 576-23-8
2,3-dimethylbromobenzene

: 1370256-31-7
1-benzyl-4-(2,3-dimethylphenyl)piperidin-4-ol

Conditions

Conditions	Yield
Stage #1: 2,3-dimethylbromobenzene With iodine; magnesium In tetrahydrofuran Grignard reaction; Inert atmosphere; Reflux; Stage #2: 1-phenylmethyl-4-piperidone In tetrahydrofuran at 20℃; for 3h; Grignard reaction; Inert atmosphere; Cooling with ice;	79%
With iodine; magnesium In tetrahydrofuran at 0 - 70℃; for 1.5h; Inert atmosphere;

2,3-Dimethylbromobenzene Chemical Properties

IUPAC Name: 1-Bromo-2,3-dimethylbenzene
Synonyms of 2,3-Dimethylbromobenzene (CAS NO.576-23-8): 3-Bromo-1,2-dimethylbenzene ; 3-Bromo-o-xylene
CAS NO: 576-23-8
The Molecular Formula: C₈H₉Br
The Molecular Weight: 185.06
Molecular Structure :
EINECS: 209-398-2
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: Å²
Index of Refraction: 1.543
Molar Refractivity: 43.59 cm³
Molar Volume: 138.1 cm³
Surface Tension: 33.7 dyne/cm
Density: 1.339 g/cm³
Flash Point: 84 °C
Enthalpy of Vaporization: 42.91 kJ/mol
Boiling Point: 211 °C at 760 mmHg
Vapour Pressure: 0.27 mmHg at 25°C
Appearance: Clear colourless to light yellow liquid
Product Categories of 2,3-Dimethylbromobenzene (CAS NO.576-23-8): Aromatic Hydrocarbons (substituted) & Derivatives;Halogen toluene;Benzene derivates;Bromine Compounds
SMILES: Cc1cccc(Br)c1C
InChI: InChI=1/C8H9Br/c1-6-4-3-5-8(9)7(6)2/h3-5H,1-2H3
InChIKey: WLPXNBYWDDYJTN-UHFFFAOYAR
Std. InChI: InChI=1S/C8H9Br/c1-6-4-3-5-8(9)7(6)2/h3-5H,1-2H3
Std. InChIKey: WLPXNBYWDDYJTN-UHFFFAOYSA-N

2,3-Dimethylbromobenzene Safety Profile

Safety Information about 2,3-Dimethylbromobenzene (CAS NO.576-23-8):
Hazard Codes: Irritant Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39-24/25
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S24/25: Avoid contact with skin and eyes.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 2810 6.1/PG 3
WGK Germany: 3
Hazard Note: Irritant

2,3-Dimethylbromobenzene Specification

General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire. Combustible liquid.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Storage: Keep 2,3-Dimethylbromobenzene (CAS NO.576-23-8) away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.

Product Name

2,3-Dimethylbromobenzene

Synthetic route

2,3-Dimethylbromobenzene Chemical Properties

2,3-Dimethylbromobenzene Safety Profile

2,3-Dimethylbromobenzene Specification

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