8.06022

Methanesulfonic acid

for synthesis

• 동의어(들): Methanesulfonic acid, MSA
• 실험식(Hill 표기법): CH₄O₃S
• CAS Number: 75-75-2
• Molecular Weight: 96.11
• MDL number: MFCD00007518
• UNSPSC 코드: 12352106
• EC 인덱스 번호: 200-898-6
• NACRES: NA.22

속성

• vapor pressure: <1 hPa ( 20 °C)
• Quality Level: 200
• 분석: ≥99.0% (acidimetric)
• 형태: liquid
• 효능: 649 mg/kg LD₅₀, oral (Rat); 200-2000 mg/kg LD₅₀, skin (Rabbit)
• bp: 167 °C/13 hPa
• mp: 20 °C
• 전이 온도: flash point 189 °C
• solubility: 1000 g/L
• density: 1.48 g/cm³ at 20 °C
• 저장 온도: 2-30°C
• InChI: 1S/CH4O3S/c1-5(2,3)4/h1H3,(H,2,3,4)
• InChI key: AFVFQIVMOAPDHO-UHFFFAOYSA-N

설명

애플리케이션

• 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).

분석 메모

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.

안전성 정보

• 픽토그램: GHS05,GHS07
• 신호어: Danger
• 유해 및 위험 성명서: H290,H302,H314,H335
• 예방조치 성명서: P234 - P261 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1 - STOT SE 3
• 표적 기관: Respiratory system
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point (°F): 372.2 °F - closed cup
• Flash Point (°C): 189 °C - closed cup