
874-42-0
| Name | 2,4-Dichlorobenzaldehyde |
| CAS | 874-42-0 |
| EINECS(EC#) | 212-861-1 |
| Molecular Formula | C7H4Cl2O |
| MDL Number | MFCD00003305 |
| Molecular Weight | 175.01 |
| MOL File | 874-42-0.mol |
Chemical Properties
| Appearance | light yellow to beige crystalline powder, crystals |
| 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 | 874-42-0(EPA Substance) |
Safety Data
| Symbol(GHS) | ![]() ![]() GHS05,GHS09 |
| Signal word | Danger |
| Hazard statements | H314-H411 |
| Precautionary statements | P260-P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | C,N,Xi |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 3261 8/PG 2 |
| WGK Germany | 2 |
| Autoignition Temperature | 440 °C |
| Hazard Note | Corrosive |
| TSCA | Yes |
| 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 |

