07499

2-Methoxynaphthalene

pharmaceutical impurity standard

• Synonym(s): Naproxen Impurity M, Methyl 2-naphthyl ether
• Linear Formula: C₁₀H₇OCH₃
• CAS Number: 93-04-9
• Molecular Weight: 158.20
• Beilstein/REAXYS Number: 1859408
• EC Number: 202-213-6
• MDL number: MFCD00004061
• UNSPSC Code: 12352200
• PubChem Substance ID: 329748457
• NACRES: NA.24

Properties

• Quality Level: 100
• API family: naproxen
• assay: ≥98.0% (GC)
• shelf life: limited shelf life, expiry date on the label
• impurities: ≤0.5% water
• bp: 274 °C (lit.)
• mp: 70-73 °C (lit.)
• solubility: H₂O: soluble (completely)
• density: 1.064 g/mL at 25 °C (lit.)
• application(s): pharmaceutical (small molecule)
• format: neat
• SMILES string: COc1ccc2ccccc2c1
• InChI: 1S/C11H10O/c1-12-11-7-6-9-4-2-3-5-10(9)8-11/h2-8H,1H3
• InChI key: LUZDYPLAQQGJEA-UHFFFAOYSA-N

Safety Information

• pictograms: GHS07,GHS09
• signalword: Warning
• hcodes: H319 - H411
• pcodes: P264 - P273 - P280 - P305 + P351 + P338 - P337 + P313 - P391
• Hazard Classifications: Aquatic Chronic 2 - Eye Irrit. 2
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 2
• flash_point_c: Not applicable