2,5-DICHLOROBENZALDEHDYE
2,5-Dichloro Benzaldehdye
CAS: 6361-23-5
Molecular Formula: C7H4Cl2O
2,5-DICHLOROBENZALDEHDYE - Names and Identifiers
| Name | 2,5-Dichloro Benzaldehdye |
| Synonyms | TIMTEC-BB SBB003793 2,5-Dichlorobenzalde 2,5-DICHLOROBENZALDEHDYE 2,5-Dichlorobenzaldehyde 2,5-DICHLOROBENZALDEHYDE 2,5-Dichloro Benzaldehdye Benzaldehyde, 2,5-dichloro- 2,5- twochlorobenzeneforMaldehyde |
| CAS | 6361-23-5 |
| EINECS | 228-832-1 |
| InChI | InChI=1/C7H4Cl2O/c8-6-1-2-7(9)5(3-6)4-10/h1-4H |
2,5-DICHLOROBENZALDEHDYE - Physico-chemical Properties
| Molecular Formula | C7H4Cl2O |
| Molar Mass | 175.01 |
| Density | 1.3456 (rough estimate) |
| Melting Point | 54-57 °C (lit.) |
| Boling Point | 231-233 °C |
| Flash Point | >230°F |
| Vapor Presure | 0.0605mmHg at 25°C |
| Appearance | White crystal |
| Color | White to off-white |
| BRN | 1635476 |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Sensitive | Air Sensitive |
| Refractive Index | 1.5756 (estimate) |
| MDL | MFCD00156140 |
| Physical and Chemical Properties | White Crystal |
| Use | Used as a dye intermediate |
2,5-DICHLOROBENZALDEHDYE - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | 1759 |
| WGK Germany | 3 |
| HS Code | 29130000 |
| Hazard Note | Corrosive |
| Hazard Class | 8 |
| Packing Group | III |
2,5-DICHLOROBENZALDEHDYE - Introduction
Oxidation of potassium permanganate to 2, 5-dichlorobenzoic acid. Soluble in ethanol, ether, chloroform, benzene, acetic acid and carbon disulfide.
Last Update：2022-10-16 17:27:35
2,5-DICHLOROBENZALDEHDYE - Reference Information
| Application | 2, 5-dichlorobenzaldehyde can be used as intermediates in organic synthesis and pharmaceutical intermediates, mainly used in laboratory research and development process and chemical production process. |
| preparation | 1.01g of cobalt acetate and 1.01g of sodium molybdate were dissolved in 200ml 2,5-dichlorotoluene and 0.0025 ml acetic acid form mixed solution, n (cobalt acetate):n(2, 5-dichlorotoluene) =: 1, 15% g of sodium bromide was dissolved in 0.0025 H2O2 to form H2O2-acetic acid solution. At this time, n (sodium bromide):n(2, 5-dichlorotoluene) =: 1,2,5-dichlorotoluene-acetic acid solution liquid and H2O2-acetic acid solution were injected into a continuous heat exchange tubular reactor by a constant flow pump at flow rates of 5.33ml/min and 10.67ml/min, respectively medium, at this time, n(H2O2):n(2, 5-dichlorotoluene) = 2:1, a microchannel reactor was used, the reaction temperature was 60 ℃, and the residence time was 60s. The outlet material was cooled at 0 °c and the reaction solution was quenched with dichloromethane. Through GC analysis, the conversion of 2, 5-dichlorotoluene was 47.3%, and the yield of 2, 5-dichlorobenzaldehyde was 28.%. |
| Use | use as dye intermediate |
Last Update：2024-04-09 02:00:10
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