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3-salicylaldehyde Basic information Product Name: 3-salicylaldehyde Synonyms: TIMTEC-BB SBB000109;O-VANILLIN (2-HYDROXY-3-BENZALDEHYDE);2-Hydroxy-3-benzaldehyde, 2-Hydroxy-m-anisaldehyde, 3-salicylaldehyde;2-HYDROXY-3-BENZALDEHYDE / O-VANILLIN;Adjacent vanillin;3-salicyladehyde;NC 005;NSC 2150 CAS: 148-53-8 MF: C8H8O3 MW: 152.15 EINECS: 205-715-3 Product Categories: Aromatics;Aldehydes;Building Blocks;C8;Carbonyl Compounds;Chemical Synthesis;Aromatic Aldehydes & Derivatives (substituted);Organic Building Blocks Mol File: 148-53-8.mol   3-salicylaldehyde Chemical Properties Melting point 40-42 °C (lit.) Boiling point 265-266 °C (lit.) density 1.2143 (rough estimate) refractive index 1.4945 (estimate) Fp >230 °F storage temp. Store below +30°C. pka pK1:7.912 (25°C) form Low Melting Solid color Pale yellow to brown Water Solubility slightly soluble Sensitive Air Sensitive BRN 471913 CAS DataBase Reference 148-53-8(CAS DataBase Reference) NIST Chemistry Reference Benzaldehyde, 2-hydroxy-3--(148-53-8) EPA Substance Registry System Benzaldehyde, 2-hydroxy-3-- (148-53-8)   Safety Information Hazard Codes Xn,Xi Risk Statements 22-36/37/38 Safety Statements 23-36-24/25-36/37/39-27-26 WGK Germany 3 RTECS CU6530000 F 10-23 TSCA Yes HS Code 29124900 MSDS Information Provider Language 3-salicylaldehyde English ACROS English SigmaAldrich English ALFA English   3-salicylaldehyde Usage And Synthesis Chemical Properties Pale yellow to brown low melting solid Uses A positional isomer of Vanillin. o-Vanillin is a more potent antioxidant than Vanillin. Definition ChEBI: A member of the class of benzaldehydes that is salicylaldehyde substituted by a group at position 3.   3-salicylaldehyde Preparation Products And Raw materials Raw materials Vanillin Preparation Products 3,4-Di-5-hydroxybenzaldehyde-->2-ACETYL-7-BENZOFURAN-->2-HYDROXY-3-PHENYLACETONITRILE-->2-ACETYL-7-HYDROXYBENZOFURAN-->5-BROMO-2 3-DIBENZALDEHYDE 97-->ETHYL 7-BENZOFURAN-2-CARBOXYLATE-->7-benzofuran-2-carboxylic acid-->8-COUMARIN-->5-BROMO-2-HYDROXY-3-BENZALDEHYDE-->2-Hydroxy-3-benzyl alcohol-->3-CATECHOL