CAS No.174265-12-4,2-Bromo-5-chlorobenzaldehyde Suppliers

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Basic Information

Molecular Structure:
CAS No.:	174265-12-4
Name:	2-Bromo-5-chlorobenzaldehyde
Article Data:	17

Formula:	C₇H₄BrClO
Molecular Weight:	219.465
Synonyms:	Benzaldehyde,2-bromo-5-chloro-;5-Chloro-2-bromobenzaldehyde;
EINECS:	678-212-3
Density:	1.698 g/cm³
Melting Point:	66 °C
Boiling Point:	257.7 °C at 760 mmHg
Flash Point:	109.7 °C
Hazard Symbols:	Xi
Risk Codes:	Xi:; "> Xi:;
Safety:	24/25
PSA:	17.07000
LogP:	2.91500

Synthetic route

: 60666-70-8
2-bromo-5-chlorobenzyl alcohol

: 174265-12-4
2-bromo-5-chlorobenzaldehyde

Conditions

Conditions	Yield
Stage #1: 2-bromo-5-chlorobenzyl alcohol With oxalyl dichloride; dimethyl sulfoxide In dichloromethane at -78℃; for 0.25h; Stage #2: With triethylamine In dichloromethane at -78 - 20℃;	96%
With triphenylmethyl alcohol; iron(III) chloride hexahydrate at 55℃; for 1h; Microwave irradiation;	85%
With triphenylmethyl alcohol; [bis(trifluoromethanesulfonyl)imidate](triphenylphosphine)gold(I) at 140℃; for 1h; Microwave irradiation;	85%
With Dess-Martin periodane In dichloromethane at 20℃; for 1h; Inert atmosphere;
Stage #1: 2-bromo-5-chlorobenzyl alcohol With oxalyl dichloride; dimethyl sulfoxide In dichloromethane at -78℃; for 0.0833333h; Stage #2: With triethylamine In dichloromethane at 0 - 20℃; for 4h;

: 1313762-49-0
1-bromo-4-chloro-2-dibromomethylbenzene

: 174265-12-4
2-bromo-5-chlorobenzaldehyde

Conditions

Conditions	Yield
With sulfuric acid at 60℃; for 3h; Inert atmosphere;	95%

: 66192-24-3
2-bromo-5-chlorobenzyl bromide

: 174265-12-4
2-bromo-5-chlorobenzaldehyde

Conditions

Conditions	Yield
With 4-methylmorpholine N-oxide In acetonitrile at 0℃; for 2h; Molecular sieve;	92%
With 4 A molecular sieve; 4-methylmorpholine N-oxide In acetonitrile at 0℃; for 2h;	65%

: 587-04-2
3-Chlorobenzaldehyde

: 174265-12-4
2-bromo-5-chlorobenzaldehyde

Conditions

Conditions	Yield
With N-Bromosuccinimide; sulfuric acid; iodine at 10 - 25℃; for 3h; Reagent/catalyst;	90.1%
With N-Bromosuccinimide; 4-chloro-2-(trifluoromethyl)aniline; palladium diacetate In 1,2-dichloro-ethane; trifluoroacetic acid at 60℃; for 24h;	88%
With N-Bromosuccinimide; palladium diacetate; silver trifluoroacetate; toluene-4-sulfonic acid; trifluoroacetic acid; 4-Nitroanthranilic acid In 1,2-dichloro-ethane at 90℃; for 24h; Sealed tube;	80%
Multi-step reaction with 3 steps 1: pyridine / dichloromethane / 1 h / 20 °C 2: N-Bromosuccinimide; Ag(1-)*C2F3O2(1-); palladium diacetate / 1,2-dichloro-ethane / 24 h / 120 °C 3: formaldehyd; toluene-4-sulfonic acid / tetrahydrofuran; water / 0.25 h / 100 °C / Microwave irradiation View Scheme

: 2-bromo-5-chlorobenzaldehyde O-methyloxime

: 174265-12-4
2-bromo-5-chlorobenzaldehyde

Conditions

Conditions	Yield
With formaldehyd; toluene-4-sulfonic acid In tetrahydrofuran; water at 100℃; for 0.25h; Microwave irradiation;	86%

: 882772-93-2
(2-bromo-5-chlorophenyl)methanediyl diacetate

: 174265-12-4
2-bromo-5-chlorobenzaldehyde

Conditions

Conditions	Yield
With sulfuric acid In methanol; water for 0.5h; Reflux;	83%
With hydrogenchloride; water In 1,4-dioxane for 2.5h; Reflux;

3N-HCl: 3N-HCl

: 14495-51-3
2-bromo-5-chlorotoluene

: 1333-82-0
chromium(VI) oxide

: 174265-12-4
2-bromo-5-chlorobenzaldehyde

Conditions

Conditions	Yield
With sulfuric acid In ethanol; water; acetic anhydride	77%

...Expand

: 14495-51-3
2-bromo-5-chlorotoluene

: 174265-12-4
2-bromo-5-chlorobenzaldehyde

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / benzene / 16 h / Reflux; Inert atmosphere 2: sulfuric acid / 3 h / 60 °C / Inert atmosphere View Scheme
Multi-step reaction with 2 steps 1: chromium(VI) oxide; acetic acid; sulfuric acid / 2 h / 0 °C 2: sulfuric acid / methanol; water / 0.5 h / Reflux View Scheme

: 21739-93-5
2-bromo-5-chlorobenzoic acid

: 174265-12-4
2-bromo-5-chlorobenzaldehyde

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: borane dimethyl sulphide complex / tetrahydrofuran / 15 h / 0 - 20 °C / Inert atmosphere 2: Dess-Martin periodane / dichloromethane / 1 h / 20 °C / Inert atmosphere View Scheme
Multi-step reaction with 2 steps 1.1: borane-THF / tetrahydrofuran / 4 h / 0 - 20 °C / Inert atmosphere 2.1: dimethyl sulfoxide; oxalyl dichloride / dichloromethane / 0.25 h / -78 °C 2.2: -78 - 20 °C View Scheme

: 33499-36-4
3-chlorobenzaldehyde O-methyloxime

: 174265-12-4
2-bromo-5-chlorobenzaldehyde

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: N-Bromosuccinimide; Ag(1-)*C2F3O2(1-); palladium diacetate / 1,2-dichloro-ethane / 24 h / 120 °C 2: formaldehyd; toluene-4-sulfonic acid / tetrahydrofuran; water / 0.25 h / 100 °C / Microwave irradiation View Scheme

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Chemistry

Molecular Formula: C₇H₄BrClO
Molecular Weight: 219.46g/mol
Density: 1.698 g/cm³
Melting Point: 66 °C
Boiling Point: 257.7 °C at 760 mmHg
Flash Point: 109.7 °C
Freely Rotating Bonds: 1
Polar Surface Area: 17.07Å²
Index of Refraction: 1.623
Molar Refractivity: 45.59 cm³
Molar Volume: 129.2 cm³
Polarizability: 18.07×10^-24 cm³
Surface Tension: 47.1 dyne/cm
Enthalpy of Vaporization: 49.53 kJ/mol
Vapour Pressure: 0.0143 mmHg at 25°C
Product categories of 2-Bromo-5-chlorobenzaldehyde (CAS NO.174265-12-4): Adehydes, Acetals & Ketones; Bromine Compounds and Chlorine Compounds
The molecular structure of 2-Bromo-5-chlorobenzaldehyde (CAS NO.174265-12-4):

Safety Profile

Hazard Codes: Irritant Xi

Specification

2-Bromo-5-chlorobenzaldehyde (CAS NO.174265-12-4) is also named as benzaldehyde, 2-bromo-5-chloro- ; 5-Chloro-2-bromobenzaldehyde .