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| | 2,4-Dichlorobenzaldehyde Basic information |
| | 2,4-Dichlorobenzaldehyde Chemical Properties |
| Melting point | 64-69 °C (lit.) | | Boiling point | 233 °C (lit.) | | density | 1.3456 (rough estimate) | | bulk density | 700kg/m3 | | refractive index | 1.5756 (estimate) | | Fp | 135 °C | | storage temp. | Store below +30°C. | | form | Crystalline Powder, Crystals and/or Chunks | | color | Light yellow to beige | | Water Solubility | <0.1 g/100 mL at 24 ºC | | Sensitive | Air Sensitive | | BRN | 471601 | | InChI | 1S/C7H4Cl2O/c8-6-2-1-5(4-10)7(9)3-6/h1-4H | | InChIKey | YSFBEAASFUWWHU-UHFFFAOYSA-N | | SMILES | [H]C(=O)c1ccc(Cl)cc1Cl | | CAS DataBase Reference | 874-42-0(CAS DataBase Reference) | | NIST Chemistry Reference | Benzaldehyde, 2,4-dichloro-(874-42-0) | | EPA Substance Registry System | Benzaldehyde, 2,4-dichloro- (874-42-0) |
| Hazard Codes | C,N,Xi | | Risk Statements | 34-51/53-36/37/38 | | Safety Statements | 26-36/37/39-45-61-37/39 | | RIDADR | UN 3261 8/PG 2 | | WGK Germany | 2 | | Autoignition Temperature | 440 °C | | Hazard Note | Corrosive | | TSCA | TSCA listed | | HazardClass | 8 | | PackingGroup | III | | HS Code | 29130000 | | Storage Class | 8A - Combustible corrosive hazardous materials | | Hazard Classifications | Aquatic Chronic 2
Eye Dam. 1
Skin Corr. 1B | | Toxicity | LD50 orally in Rabbit: 3470 mg/kg |
| | 2,4-Dichlorobenzaldehyde Usage And Synthesis |
| Chemical Properties | light yellow to beige crystalline powder, crystals | | Uses | 2,4-Dichlorobenzaldehyde is used in the synthesis of platelet aggregation inhibitors. Also used in the preparation of novel Schiff bases containing quinazolinone rings. | | Uses | 2,4-Dichlorobenzaldehyde was used in the solid-phase synthesis of a series of indole-based peptoids. | | Synthesis Reference(s) | Tetrahedron Letters, 30, p. 3677, 1989 DOI: 10.1016/S0040-4039(01)80481-0 | | General Description | White crystalline solid or off-white chunky solid with black specks and a pungent odor. Average shelf life 1 year in a closed container. | | Air & Water Reactions | Sensitive to light. May also be sensitive to prolonged exposure to air and moisture. Insoluble in water. | | Reactivity Profile | 2,4-Dichlorobenzaldehyde is incompatible with iron, oxygen and oxygen-containing materials. 2,4-Dichlorobenzaldehyde is also incompatible with strong oxidizers and strong bases. | | Fire Hazard | 2,4-Dichlorobenzaldehyde is combustible. | | Purification Methods | Crystallise the aldehyde from EtOH or ligroin. [Beilstein 7 IV 575.] |
| | 2,4-Dichlorobenzaldehyde Preparation Products And Raw materials |
| Raw materials | Chlorine-->Acetylacetone-->2,4-Dichlorotoluene-->Metallic oxides-->2,4-Dichlorobenzyl chloride-->alpha,alpha,2,4-Tetrachlorotoluene-->2,5-Dichlorobenzaldehyde-->Methanediol, (2,4-dichlorophenyl)-, diacetate-->(NE)-N-[(2,4-dichlorophenyl)methylidene]hydroxylamine-->2,4-Dichlorobenzyl mercaptan-->2,4-Dichlorophenylacetic acid-->2,4-DICHLOROBENZALDEHYDE OXIME-->1,3-Dichloro-4-iodobenzene-->2,4-Dichlorobenzyl alcohol-->Formic acid-->2,4-Dichlorobenzoyl chloride | | Preparation Products | Diniconazole-->Diclobutrazol-->2,4-Dichloro-5-nitrobenzalehyde-->2,4-Dichlorobenzoic acid-->2,4-Difluorobenzaldehyde |
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