Description Catalogue Number 820904 Synonyms 5-Nitrosalicylaldehyde Description 2-Hydroxy-5-nitrobenzaldehyde Product Information CAS number 97-51-8 EC number 202-587-0 Hill Formula C₇H₅NO₄ Chemical formula 2-(OH)-5-(NO₂)C₆H₃CHO Molar Mass 167.12 g/mol HS Code 2913 00 00 Structure formula Image Applications Application 2-Hydroxy-5-nitrobenzaldehyde for synthesis. CAS 97-51-8, chemical formula 2-(OH)-5-(NO₂)C₆H₃CHO. Physicochemical Information Melting Point 123 - 126 °C Toxicological Information LD 50 oral LD50 Rat 799 mg/kg Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H302: Harmful if swallowed. H315: Causes skin irritation. H319: Causes serious eye irritation. Precautionary Statement(s) P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Storage class 10 - 13 Other liquids and solids WGK WGK 3 highly water endangering Disposal 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. Safety Information Hazard Symbols Harmful Categories of danger harmful, irritant R Phrase R 22-36/38 Harmful if swallowed.Irritating to eyes and skin. Storage and Shipping Information Storage Store below +30°C. Specifications Assay (HPLC, area%) ≥ 98.0 % (a/a) Melting range (lower value) ≥ 123 °C Melting range (upper value) ≤ 126 °C Identity (IR) passes test
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