| CAS Number | 1122-91-4 |
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| EC/List No. | 214-404-6 |
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| Molecular Formula | C7H5BrO |
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| Molecular Weight | 185.02 g/mol |
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| Appearance | White to light yellow crystalline solid |
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| Melting Point | 55-58 °C |
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| Boiling Point | 66 °C (2 mmHg) |
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| Density | 1.535 g/cm³ |
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| SMILES | O=Cc1ccc(Br)cc1 |
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| InChIKey | ZRYZBQLXDKPBDU-UHFFFAOYSA-N |
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| Description | 4-Bromobenzaldehyde, a bifunctional aromatic with para-bromo and aldehyde. The aldehyde undergoes condensation, oxidation, and reductive amination; the bromide is a classic substrate for Pd-catalyzed Suzuki, Stille, and Buchwald-Hartwig couplings. Key intermediate for biphenyls, diarylamines, and polysubstituted arenes. |
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| Applications | OLED intermediate; pharmaceutical intermediate; Suzuki coupling substrate; aldehyde building block |
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| Hazard Class | Acute Tox. 4 (Oral); Skin Irrit. 2; Skin Sens. 1; Eye Irrit. 2 |
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| Hazard Statements | H302; H315; H317; H319 |
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| Precautionary Statements | P261; P264; P270; P272; P280; P301+P312; P302+P352; P305+P351+P338; P321; P330; P333+P313; P337+P313; P362+P364; P405; P501 |
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