8.06022

Methanesulfonic acid

for synthesis

• Synonyme(s) : Methanesulfonic acid, MSA
• Formule empirique (notation de Hill): CH₄O₃S
• Numéro CAS: 75-75-2
• Poids moléculaire : 96.11
• Numéro MDL: MFCD00007518
• Code UNSPSC : 12352106
• Numéro de classement CE : 200-898-6
• Nomenclature NACRES : NA.22

Propriétés

• Pression de vapeur: <1 hPa ( 20 °C)
• Niveau de qualité: 200
• Pureté: ≥99.0% (acidimetric)
• Forme: liquid
• Puissance: 649 mg/kg LD₅₀, oral (Rat); 200-2000 mg/kg LD₅₀, skin (Rabbit)
• Point d'ébullition: 167 °C/13 hPa
• Pf: 20 °C
• Température de transition: flash point 189 °C
• Solubilité: 1000 g/L
• Densité: 1.48 g/cm³ at 20 °C
• Température de stockage: 2-30°C
• InChI: 1S/CH4O3S/c1-5(2,3)4/h1H3,(H,2,3,4)
• Clé InChI: AFVFQIVMOAPDHO-UHFFFAOYSA-N

Description

Application

• Methanesulfonic Acid in Hydrometallurgy: This paper reviews the properties of methanesulfonic acid and its applications in hydrometallurgy, highlighting its benefits over other acids. (Binnemans and Jones, 2023).
• The Role of MSA in Aerosol Formation and Growth: This study investigates how MSA can influence aerosol formation and the associated radiative forcings, emphasizing its environmental impacts. (Hodshire et al., 2019).
• Organic Acids in New Particle Formation: Research on the role of organic acids in enhancing MSA-driven new particle formation, providing insights into atmospheric chemistry. (Zhang et al., 2022).
• Methanesulfonic Acid as a Sustainable Acidic Solvent: This article discusses the use of MSA for recovering metals from zinc industry residue, showcasing its applications in sustainable metallurgy. (Palden et al., 2019).

Remarque sur l'analyse

Appearance of substance (visual): colourless to brownish
Assay (acidimetric): ≥ 99.0 %
Density (d 20 °C/ 4 °C): 1.478 - 1.482
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Informations sur la sécurité

• Classe de danger pour l'eau (WGK): ""
• Point d'éclair (°F): 372.2 °F
• Point d'éclair (°C): 189 °C