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Name	2,6-Dichlorobenzaldehyde	EINECS	201-472-2
CAS No.	83-38-5	Density	1.4 g/cm³
PSA	17.07000	LogP	2.80590
Solubility	<0.1 g/100 mL at 23 °C in water	Melting Point	69-71 °C(lit.)
Formula	C₇H₄Cl₂O	Boiling Point	239.2 °C at 760 mmHg
Molecular Weight	175.014	Flash Point	97.4 °C
Transport Information	UN 3261 8/PG 2	Appearance	white to light yellow powder
Safety	26-27-28-36/37/39-45-37/39	Risk Codes	34-36/37/38
Molecular Structure		Hazard Symbols	C, Xi
Synonyms	2,6-Dichlorobenzaldehyde	Article Data	111

2,6-Dichlorobenzaldehyde Synthetic route

: 15258-73-8
2,6-dichlorobenzyl alcohol

: 83-38-5
2,6-dichlorobenzaldehyde

Conditions

Conditions	Yield
With dmap; tetrakis(actonitrile)copper(I) hexafluorophosphate; N,N'-di-tert-butylethylenediamine; oxygen In dichloromethane at 20℃; under 760.051 Torr; for 3h; Schlenk technique; Molecular sieve; Sealed tube;	99%
With tert.-butylnitrite; oxygen; acetic acid In toluene at 50℃; for 8.5h;	99%
With 2,2'-azobis(isobutyronitrile); oxygen; sodium bromide In 1,4-dioxane at 70℃;	94%

: 2828-47-9
2,6-Dichlorobenzaldehyde N,N-dimethylhydrazone

: 83-38-5
2,6-dichlorobenzaldehyde

Conditions

Conditions	Yield
With 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium chloride In chloroform at 20℃; for 1h; oxidative cleavage;	98%
With chloro-trimethyl-silane; sodium iodide In water; acetonitrile for 0.0333333h; deprotection;	94%
With triethylene diamine nickel thiosulfate; water In chloroform at 20℃; for 0.166667h; Hydrolysis;	94%
With iron(II) sulfate In chloroform at 20℃; for 0.75h; Hydrolysis;	88%

: 25185-95-9
2,6-dichlorobenzaldoxime

: 83-38-5
2,6-dichlorobenzaldehyde

Conditions

Conditions	Yield
With Cr-MCM-41 zeolite on silica gel for 0.1h; microwave irradiation;	98%
With 2,6-dicarboxypyridinium fluorochromate for 0.5h;	96%
With potassium permanganate; 1-n-butyl-3-methylimidazolim bromide at 20℃; for 0.383333h; Ionic liquid; chemoselective reaction;	91%

: 89-98-5
2-chloro-benzaldehyde

: 83-38-5
2,6-dichlorobenzaldehyde

Conditions

Conditions	Yield
With N-chloro-succinimide; palladium diacetate; silver trifluoroacetate; anthranilic acid; trifluoroacetic acid In 1,2-dichloro-ethane at 60℃; for 24h; Sealed tube;	95%
With N-chloro-succinimide; 2-hydroxyl-5-nitro-3-(trifluoromethyl)pyridine; 4-trifluoromethylphenylamine; palladium diacetate; trifluoroacetic acid In 1,2-dichloro-ethane at 80℃; for 24h; Sealed tube;	92%

: 2014-83-7
1,3-Dichloro-2-chloromethyl-benzene

: 83-38-5
2,6-dichlorobenzaldehyde

Conditions

Conditions	Yield
With dihydrogen peroxide; trimethylamine In water for 2h; Reflux;	94%

: 2-(2,6-dichlorophenyl)-1,3-dithiane

: 83-38-5
2,6-dichlorobenzaldehyde

Conditions

Conditions	Yield
With 1,3,5-trichloro-2,4,6-triazine; dimethyl sulfoxide In dichloromethane at 20℃; for 2.15h;	91%

: 51379-82-9
2,6-Dichlorbenzaldehyd-2,4-dinitrophenylhydrazon

: 83-38-5
2,6-dichlorobenzaldehyde

Conditions

Conditions	Yield
With potassium permanganate at 40℃; for 2.8h; Ionic liquid; chemoselective reaction;	81%

: 2,6-dichlorobenzaldehyde dimethyl acetal

: 83-38-5
2,6-dichlorobenzaldehyde

Conditions

Conditions	Yield
With β‐cyclodextrin In methanol; water at 50℃; for 10h;	80%

: 33486-90-7
1,3-dichloro-2-methoxymethylbenzene

: 83-38-5
2,6-dichlorobenzaldehyde

Conditions

Conditions	Yield
With N-Bromosuccinimide In tetrachloromethane for 1h; Irradiation; Reflux;	77%

: 82073-58-3
2-(2,6-dichlorophenyl)-1,3-dioxolane

: 6399-81-1
triphenylphosphine hydrobromide

A: 83-38-5
2,6-dichlorobenzaldehyde

B: 7237-34-5
2-(hydroxyethyl)triphenylphosphonium bromide

Conditions

Conditions	Yield
In dichloromethane at 50℃; for 0.0833333h; Microwave irradiation; Sealed tube;	A 76% B n/a

2,6-Dichlorobenzaldehyde Chemical Properties

The Molecular Structure of 2,6-Dichlorobenzaldehyde (CAS NO.83-38-5):

Empirical Formula: C₇H₄Cl₂O
Molecular Weight: 175.0121
IUPAC Name: 2,6-dichlorobenzaldehyde
Appearance: white to light yellow powder
Nominal Mass: 174 Da
Average Mass: 175.0121 Da
Monoisotopic Mass: 173.96392 Da
Index of Refraction: 1.6
Molar Refractivity: 42.79 cm³
Molar Volume: 125 cm³
Surface Tension: 45.1 dyne/cm
Density: 1.4 g/cm³
Flash Point: 97.4 °C
Enthalpy of Vaporization: 47.61 kJ/mol
Boiling Point: 239.2 °C at 760 mmHg
Vapour Pressure: 0.0406 mmHg at 25°C
Water Solubility: <0.1 g/100 mL at 23 ºC
Sensitive: Air Sensitive
Stability: Stable. Incompatible with strong oxidizing agents, strong bases. Air, light and moisture sensitive
InChI
InChI=1/C7H4Cl2O/c8-6-2-1-3-7(9)5(6)4-10/h1-4H
Smiles
c1(c(cccc1Cl)Cl)C=O
Product Categories: Benzaldehyde;Dicloxacillin;Aldehydes;C7;Carbonyl Compounds
Synonyms: CCRIS 6014 ; EINECS 201-472-2 ; Benzaldehyde, 2,6-dichloro-

2,6-Dichlorobenzaldehyde Uses

2,6-Dichlorobenzaldehyde (CAS NO.83-38-5) can be used for the synthesis of dyes, intermediates of pesticide and pharmaceuticalare, also used as fungicides and herbicides and used in the manufacture of 2,6 - dichlorobenzonitrile .

2,6-Dichlorobenzaldehyde Safety Profile

Hazard Codes: Irritant Xi Corrosive C
Risk Statements: 34-36/37/38
R34: Causes burns
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 26-27-28-36/37/39-45-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S27: Take off immediately all contaminated clothing
S28: After contact with skin, wash immediately with plenty of soap-suds
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible)
S37/39: Wear suitable gloves and eye/face protection
RIDADR: UN 3261 8/PG 2
WGK Germany: 2
Hazard Note: Corrosive
HazardClass: 8
PackingGroup: III
HS Code: 29130000

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