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Cas Database |
| Name |
2,4-Dichlorobenzaldehyde |
EINECS | 212-861-1 |
| CAS No. | 874-42-0 | Density | 1.4 g/cm3 |
| PSA | 17.07000 | LogP | 2.80590 |
| Solubility | <0.1 g/100 mL at 24 °C in water | Melting Point |
64-69 °C(lit.) |
| Formula | C7H4Cl2O | Boiling Point | 233 °C at 760 mmHg |
| Molecular Weight | 175.014 | Flash Point | 100.2 °C |
| Transport Information | UN 3261 8/PG 2 | Appearance | light yellow to beige crystalline powder, crystals |
| Safety | 26-36/37/39-45-61-37/39 | Risk Codes | 34-51/53-36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 C,  N,  Xi
|
| Synonyms |
2,4-DCAD; |
Article Data | 183 |
2,4-Dichlorobenzaldehyde Synthetic route
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide In neat (no solvent) at 80℃; for 4h; Green chemistry; | 100% |
| With tert.-butylnitrite; oxygen; acetic acid In toluene at 50℃; for 1h; | 99% |
| With cobalt(II)-meso-tetra(4-carboxyphenyl)porphyrin on TiO2/WO3 nanohybrid In acetonitrile at 30℃; for 1h; Reagent/catalyst; UV-irradiation; | 98% |
- 874-42-0
2,4-dichlorobenzaldeyhde
| Conditions | Yield |
|---|---|
| With methanol; potassium permanganate In ethyl acetate at 25℃; for 20h; | 99% |
- 56843-28-8
2,4-dichlorobenzaldoxime
- 874-42-0
2,4-dichlorobenzaldeyhde
| Conditions | Yield |
|---|---|
| With potassium permanganate; 1-n-butyl-3-methylimidazolim bromide at 20℃; for 0.166667h; Ionic liquid; chemoselective reaction; | 98% |
| With tris[trinitratocerium(IV)] paraperiodate at 90℃; for 0.333333h; | 96% |
| With iron(III) chloride; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; oxygen In water; toluene at 60℃; under 760.051 Torr; for 4h; | 91% |
- 13086-94-7
1,1-diacetoxy-1-(2,4-dichlorophenyl)methane
- 874-42-0
2,4-dichlorobenzaldeyhde
| Conditions | Yield |
|---|---|
| With water; silica sulfate In toluene for 0.0166667h; Heating; | 97% |
| With rice husk supported FeCl3 nanoparticles In ethanol at 70℃; for 0.416667h; | 92% |
| With sodium tetrahydroborate; nickel(II) chloride hexahydrate In methanol at 20℃; for 2.5h; chemoselective reaction; | 84% |
- 874-42-0
2,4-dichlorobenzaldeyhde
| Conditions | Yield |
|---|---|
| With tetra-N-butylammonium tribromide In acetonitrile at 20℃; for 8h; Irradiation; | 96% |
- 624286-51-7
2,4-dichlorobenzyl trimethysilyl ether
- 874-42-0
2,4-dichlorobenzaldeyhde
| Conditions | Yield |
|---|---|
| With 1-n-butylpyridinium tetrachloroferrate; pyridinium chlorochromate at 50℃; for 0.133333h; | 94% |
| With silica chromate; silica gel In dichloromethane at 20℃; for 0.833333h; | 82% |
- 874-42-0
2,4-dichlorobenzaldeyhde
| Conditions | Yield |
|---|---|
| With 1-n-butylpyridinium tetrachloroferrate; pyridinium chlorochromate at 50℃; for 0.333333h; | 92% |
- 391200-38-7
2-((2,4-dichlorobenzyl)oxy)tetrahydro-2H-pyran
- 874-42-0
2,4-dichlorobenzaldeyhde
| Conditions | Yield |
|---|---|
| With 1-n-butylpyridinium tetrachloroferrate; pyridinium chlorochromate at 50℃; for 0.166667h; | 92% |
- 874-42-0
2,4-dichlorobenzaldeyhde
| Conditions | Yield |
|---|---|
| With aluminum oxide; Oxone for 0.0316667h; Hydrolysis; Microwave irradiation; | 91% |
| Conditions | Yield |
|---|---|
| Stage #1: 2,4-Dichlorobenzyl chloride With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium bromide In water for 0.0833333h; Reflux; Stage #2: With dihydrogen peroxide In water for 3h; | 91% |
2,4-Dichlorobenzaldehyde Chemical Properties
The Molecular Structure of 2,4-Dichlorobenzaldehyde (CAS NO.874-42-0):
Molecular Formula: C7H4Cl2O
Formula Weight: 175.01
Melting Point: 64-69 °C(lit.)
Boiling Point: 233 °C at 760 mmHg
Flash Point: 100.2 °C
Density: 1.4 g/cm3
Vapour Pressure: 0.0572 mmHg at 25°C
Water Solubility : <0.1 g/100 mL at 24°C
Index of Refraction: 1.6
IUPAC Name: 2,4-dichlorobenzaldehyde
Sensitive: Air Sensitive
Appearence: White or nearly white irregular crystals
Product Categories: Aromatic Aldehydes & Derivatives (substituted);Halofantrine;Aldehydes;C7;Carbonyl Compounds
Storage: Keep in a cool, well-ventilated place. Keep in a cool place. Keep container dry. Keep container tightly closed. Combustible materials should be stored away from extreme heat and away from strong oxidizing agents. Ground all equipment containing material.
Synonyms: 2,4-Dichloro-benzaldehyd ; 2,4-Dcad ; 2,4-Dichlorobenzaldehyde ; Akos bbs-00003196 ; Dichlorobenzaldehyde ; Dichlorobenzaldehyde(2,4-) ; 2,4-Dichlorobenzaldehyde,98% ; Benzaldehyde, 2,4-dichloro-
2,4-Dichlorobenzaldehyde Uses
2,4-Dichlorobenzaldehyde (CAS NO.874-42-0) can be used for dye intermediates. It is also used for synthesizing Diniconazole and is a new type of pesticide instead of Triadimefon.
2,4-Dichlorobenzaldehyde Production
In the presence of iodine or antimony, 2,4-Dichlorobenzaldehyde (CAS NO.874-42-0) is produced by the chlorination of benzaldehyde.
2,4-Dichlorobenzaldehyde Toxicity Data With Reference
Routes of Entry: Eye contact. Inhalation. Ingestion.
Toxicity to Animals: LD50: Not available; LC50: Not available.
Other Toxic Effects on Humans: Very hazardous in case of skin contact (irritant), of ingestion; Hazardous in case of inhalation; Slightly hazardous in case of skin contact (permeator).
2,4-Dichlorobenzaldehyde Safety Profile
Hazard Codes: 
C
N
Xi
Risk Statements: 34-51/53-36/37/38
R34: Causes burns
R51/53: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 26-36/37/39-45-61-37/39
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.)
S61: Avoid release to the environment. Refer to special instructions / safety data sheets
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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