8.20809

1-Methylnaphthalene

for synthesis

• Synonyme(s) : 1-Methylnaphthalene
• Formule empirique (notation de Hill): C₁₁H₁₀
• Numéro CAS: 90-12-0
• Poids moléculaire : 142.20
• Numéro MDL: MFCD00004034
• Code UNSPSC : 12352005
• Numéro de classement CE : 201-966-8
• Nomenclature NACRES : NA.22

Propriétés

• Pression de vapeur: 2 hPa ( 25 °C)
• Niveau de qualité: 200
• Pureté: ≥94.0% (GC)
• Forme: liquid
• Température d'inflammation spontanée: 529 °C
• Puissance: 1840 mg/kg LD₅₀, oral (Rat)
• Limite d'explosivité: 0.7-6.5 % (v/v)
• Point d'ébullition: 244-245 °C/1013 mbar
• Pf: <-30 °C
• Température de transition: flash point 82 °C
• Solubilité: 0.026 g/L
• Densité: 1.02 g/cm³ at 20 °C
• Température de stockage: 2-30°C
• InChI: 1S/C11H10/c1-9-5-4-7-10-6-2-3-8-11(9)10/h2-8H,1H3
• Clé InChI: QPUYECUOLPXSFR-UHFFFAOYSA-N

Description

Application

• Solvent-assisted microextraction: 1-Methylnaphthalene was used in the development of sponge-like porous manganese(II, III) oxide coatings for solvent-assisted solid-phase microextraction, demonstrating its utility in environmental monitoring and analysis of polycyclic aromatic hydrocarbons (Saraji and Nobakht, 2022).
• Catalytic applications: As a tar-type compound, 1-Methylnaphthalene was investigated for its degradation under mild conditions using TiO2-supported Pd catalysts, emphasizing its importance in industrial applications for cleaner production technologies (Raad et al., 2021).
• Advanced oxidation processes: Research involving nano-MoO2 and peroxymonosulfate demonstrated the effective degradation of PAH derivatives, including 1-Methylnaphthalene, underscoring its relevance in water treatment technologies and pollution control (Chen et al., 2021).

Remarque sur l'analyse

Assay (GC, area%): ≥ 94.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.015 - 1.025
Identity (IR): passes test

Informations sur la sécurité

• Pictogrammes: GHS07,GHS08,GHS09
• Mention d'avertissement: Danger
• Mentions de danger: H302 - H304 - H411
• Conseils de prudence: P264 - P273 - P301 + P310 - P331 - P391 - P405
• Classification des risques: Acute Tox. 4 Oral - Aquatic Chronic 2 - Asp. Tox. 1
• Code de la classe de stockage: 10 - Combustible liquids
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): 179.6 °F - closed cup
• Point d'éclair (°C): 82 °C - closed cup