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| CAS No.: | 6334-18-5 |
|---|---|
| Name: | 2,3-Dichlorobenzaldehyde |
| Molecular Structure: | |
|
|
|
| Formula: | C7H4Cl2O |
| Molecular Weight: | 175.014 |
| Synonyms: | Benzaldehyde, 2,3-dichloro-;2,3-Dichlorobenzaldehyde (2,3-DCBA); |
| EINECS: | 228-711-3 |
| Density: | 1.4 g/cm3 |
| Melting Point: | 64-67 °C(lit.) |
| Boiling Point: | 242.9 °C at 760 mmHg |
| Flash Point: | 99.2 °C |
| Solubility: | Practically insoluble in water |
| Appearance: | white crystalline powder |
| Hazard Symbols: |
 Xi,  C
|
| Risk Codes: | 34-36/37/38 |
| Safety: | 26-36/37/39-45-37/39 |
| Transport Information: | UN 3261 8/PG 2 |
| PSA: | 17.07000 |
| LogP: | 2.80590 |
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- 6334-18-5
2,3-dichlorobenzylaldehyde
| Conditions | Yield |
|---|---|
| With silica gel; iron(III) chloride for 0.01h; microwave irradiation; | 89% |
| With K5 In acetonitrile at 20℃; for 0.75h; | 84% |
| Conditions | Yield |
|---|---|
| With quinolinium monofluorochromate(VI) In acetonitrile for 5h; Oxidation; Heating; | 85% |
| With caro's acid; silica gel for 0.03h; deoximation; Irradiation; | 80% |
- 6334-18-5
2,3-dichlorobenzylaldehyde
| Conditions | Yield |
|---|---|
| With tert.-butylhydroperoxide In methanol; water Heating; | 80% |
- 38594-42-2
2,3-dichlorobenzyl alcohol
- 6334-18-5
2,3-dichlorobenzylaldehyde
| Conditions | Yield |
|---|---|
| With eosin y In dimethyl sulfoxide at 80℃; for 24h; Irradiation; | 53% |
| With copper(l) iodide; di-tert-butyl peroxide; (E)-N-((Z)-4-((2,6-dimethylphenyl)amino)pent-3-en-2-ylidene)-2,6-dimethylaniline In N,N-dimethyl-formamide at 90℃; for 6h; Sealed tube; Inert atmosphere; | 93 %Chromat. |
| With hydrogen bromide; dihydrogen peroxide In 1,4-dioxane at 25℃; for 7h; Temperature; | 48.19 g |
- 17257-79-3
3,4-epoxy-2-pentanone
- 68-12-2, 33513-42-7
N,N-dimethyl-formamide
A
- 6334-18-5
2,3-dichlorobenzylaldehyde
| Conditions | Yield |
|---|---|
| With trichlorophosphate Product distribution; RT, 30 min, heating, 4-4.5 h; different epoxy ketones; | A 18% B 30% |
| With trichlorophosphate RT, 30 min, heating, 4-4.5 h; | A 18% B 30% |
- 32768-54-0
2,3-dichlorotoluene
- 6334-18-5
2,3-dichlorobenzylaldehyde
| Conditions | Yield |
|---|---|
| With sodium molybdate; dihydrogen peroxide; cobalt(II) acetate; acetic acid; sodium bromide at 90℃; Temperature; | 29% |
| With bromine at 180 - 200℃; Erhitzen des Reaktionsgemisches mit konz. Schwefelsaeure auf 100-140grad; | |
| (i) Br2, (UV-irradiation), (ii) aq. H2SO4; Multistep reaction; | |
| Multi-step reaction with 3 steps 1: 2,2'-azobis(isobutyronitrile); bromine / 1,2-dichloro-ethane / 75 °C 2: water; sodium carbonate / 8 h / Reflux 3: dihydrogen peroxide; hydrogen bromide / 1,4-dioxane / 7 h / 25 °C View Scheme |
- 6705-49-3
7-oxabicyclo[4.1.0]heptan-2-one
- 68-12-2, 33513-42-7
N,N-dimethyl-formamide
A
- 6334-18-5
2,3-dichlorobenzylaldehyde
| Conditions | Yield |
|---|---|
| With trichlorophosphate RT, 30 min, heating, 4-4.5 h; | A 13% B 24% |
- 111011-80-4
2-acetonyl-5,5-dimethyl-2-oxo-1,3,2-dioxaphosphorinane
A
- 6334-18-5
2,3-dichlorobenzylaldehyde
B
- 115578-90-0
(E)-2,2-dimethyl-1,3-propanediyl α-acetyl-2,3-dichlorostyrylphosphonate
| Conditions | Yield |
|---|---|
| With trifluoroacetic acid 1) toluene, 2) r.t., 1.0 h; Yield given. Multistep reaction. Title compound not separated from byproducts; | A 11% B n/a C n/a |
| With chloroacetic acid In toluene for 3h; Ambient temperature; Yield given. Title compound not separated from byproducts; | A 7% B n/a C n/a |
| Conditions | Yield |
|---|---|
| (i) aq. HCl, NaNO2, (ii) /BRN= 1697325/, CuSO4, Na2SO4, NaOAc, (iii) acid; Multistep reaction; | |
| With hydrogenchloride; sodium acetate; copper(II) sulfate; sodium nitrite Yield given. Multistep reaction; | |
| Multistep reaction; |
- 29027-17-6
2-chloro-3-methylaniline
- 6334-18-5
2,3-dichlorobenzylaldehyde
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: Diazotization.Erwaermen der Diazoniumsalz-Loesung mit CuCl 2: bromine / 180 - 200 °C / Erhitzen des Reaktionsgemisches mit konz. Schwefelsaeure auf 100-140grad View Scheme |
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Chemistry
Product Name: 2,3-Dichlorobenzaldehyde (CAS NO.6334-18-5)
Molecular Formula: C7H4Cl2O
Molecular Weight: 175.01g/mol
Mol File: 6334-18-5.mol
EINECS: 228-711-3
Appearance: white crystalline powder
Melting Point: 64-67 °C(lit.)
Boiling point: 242.9 °C at 760 mmHg
Flash Point: 99.2 °C
Density: 1.4 g/cm3
Sensitive: Air Sensitive
Index of Refraction: 1.6
Molar Refractivity: 42.79 cm3
Molar Volume: 125 cm3
Surface Tension: 45.1 dyne/cm
Enthalpy of Vaporization: 47.99 kJ/mol
Vapour Pressure: 0.0331 mmHg at 25°C
XLogP3-AA: 3
H-Bond Donor: 0
H-Bond Acceptor: 1
Structure Descriptors of 2,3-Dichlorobenzaldehyde (CAS NO.6334-18-5):
IUPAC Name: 2,3-dichlorobenzaldehyde
Canonical SMILES: C1=CC(=C(C(=C1)Cl)Cl)C=O
InChI: InChI=1S/C7H4Cl2O/c8-6-3-1-2-5(4-10)7(6)9/h1-4H
InChIKey: LLMLNAVBOAMOEE-UHFFFAOYSA-N
Product Categories: Aromatic Aldehydes & Derivatives (substituted); Felodipine; Aldehydes; C7; Carbonyl Compounds
Uses
2,3-Dichlorobenzaldehyde (CAS NO.6334-18-5) is the Pharmaceutical Intermediates,and 2,3-Dichlorobenzaldehyde is used in the synthesis of FELODIPINE, CHLORINE-dimensional, the synthesis of Lamotrigine.
Safety Profile
Safety Information of 2,3-Dichlorobenzaldehyde (CAS NO.6334-18-5):
Hazard Codes: C
,Xi
Risk Statements: 34-36/37/38
R34:Causes burns.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39-45-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
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
F: 10
Hazard Note: Corrosive
HazardClass: 8
PackingGroup: III
HS Code: 29130000
Standards and Recommendations
Purity≥98.0% (GC)
Loss on drying ≤0.5%
Residue On Ignition≤0.5%
Specification
2,3-Dichlorobenzaldehyde , its CAS NO. is 6334-18-5, the synonyms are Benzaldehyde, 2,3-dichloro- ; Benzaldehyde, dichloro- ; Benzaldehyde, 2,3-dichloro- .
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