8.06022

Methanesulfonic acid

for synthesis

• Sinonimo/i: Methanesulfonic acid, MSA
• Formula empirica (notazione di Hill): CH₄O₃S
• Numero CAS: 75-75-2
• Peso molecolare: 96.11
• Numero MDL: MFCD00007518
• Codice UNSPSC: 12352106
• Numero indice EU: 200-898-6
• NACRES: NA.22

Proprietà

• Tensione di vapore: <1 hPa ( 20 °C)
• Livello qualitativo: 200
• Saggio: ≥99.0% (acidimetric)
• Forma fisica: liquid
• Potenza: 649 mg/kg LD₅₀, oral (Rat); 200-2000 mg/kg LD₅₀, skin (Rabbit)
• P. eboll.: 167 °C/13 hPa
• Punto di fusione: 20 °C
• Temp. transizione: flash point 189 °C
• Solubilità: 1000 g/L
• Densità: 1.48 g/cm³ at 20 °C
• Temperatura di conservazione: 2-30°C
• InChI: 1S/CH4O3S/c1-5(2,3)4/h1H3,(H,2,3,4); AFVFQIVMOAPDHO-UHFFFAOYSA-N

Descrizione

Applicazioni

• 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).

Risultati analitici

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.

Informazioni sulla sicurezza

• Pittogrammi: GHS05,GHS07
• Avvertenze: Danger
• Indicazioni di pericolo: H290,H302,H314,H335
• Consigli di prudenza: P234 - P261 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Classi di pericolo: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1 - STOT SE 3
• Organi bersaglio: Respiratory system
• Codice della classe di stoccaggio: 8A - Combustible corrosive hazardous materials
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): 372.2 °F - closed cup
• Punto d’infiammabilità (°C): 189 °C - closed cup