Introduction：Basic information about 2,4-Dichlorobenzaldehyde CAS 874-42-0, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
2,4-Dichlorobenzaldehyde Basic information
| Product Name: | 2,4-Dichlorobenzaldehyde |
| Synonyms: | 2,4-two chlorobenzeneforMaldehyde;2,4-dichloro-benzaldehyd;2,4-DCAD;2,4-DICHLOROBENZALDEHYDE;AKOS BBS-00003196;DICHLOROBENZALDEHYDE;DICHLOROBENZALDEHYDE(2,4-);20) 2,4-DICHLORO BENZALDEHYDE |
| CAS: | 874-42-0 |
| MF: | C7H4Cl2O |
| MW: | 175.01 |
| EINECS: | 212-861-1 |
| Product Categories: | Building Blocks;Carbonyl Compounds;Halofantrine;Aldehydes;C7;Carbonyl Compounds;Aromatic Aldehydes & Derivatives (substituted);Chemical Synthesis;Organic Building Blocks |
| Mol File: | 874-42-0.mol |
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2,4-Dichlorobenzaldehyde Chemical Properties
| Melting point | 64-69 °C (lit.) |
| Boiling point | 233 °C (lit.) |
| bulk density | 700kg/m3 |
| density | 1.3456 (rough estimate) |
| 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) |
Safety Information
| 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 |
