8.06022

Methanesulfonic acid

for synthesis

• 別名: Methanesulfonic acid, MSA
• 実験式（ヒル表記法）: CH₄O₃S
• CAS番号: 75-75-2
• 分子量: 96.11
• MDL番号: MFCD00007518
• UNSPSCコード: 12352106
• EC Index Number: 200-898-6
• NACRES: NA.22

特性

• 蒸気圧: <1 hPa ( 20 °C)
• 品質水準: 200
• アッセイ: ≥99.0% (acidimetric)
• 形状: liquid
• 有効性: 649 mg/kg LD₅₀, oral (Rat); 200-2000 mg/kg LD₅₀, skin (Rabbit)
• bp: 167 °C/13 hPa
• mp: 20 °C
• 転移温度: flash point 189 °C
• 溶解性: 1000 g/L
• 密度: 1.48 g/cm³ at 20 °C
• 保管温度: 2-30°C
• InChI: 1S/CH4O3S/c1-5(2,3)4/h1H3,(H,2,3,4)
• InChI Key: AFVFQIVMOAPDHO-UHFFFAOYSA-N

詳細

アプリケーション

• 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).

アナリシスノート

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.

安全性情報

• ピクトグラム: GHS05,GHS07
• シグナルワード: Danger
• 危険有害性情報: H290,H302,H314,H335
• 注意書き: P234 - P261 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• 危険有害性の分類: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1 - STOT SE 3
• ターゲットの組織: Respiratory system
• 保管分類コード: 8A - Combustible corrosive hazardous materials
• WGK: WGK 1
• 引火点(°F): 372.2 °F - closed cup
• 引火点(℃): 189 °C - closed cup