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A propos de cet article
Formule linéaire :
CH3SO3H
Numéro CAS:
Poids moléculaire :
96.11
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
Beilstein/REAXYS Number:
1446024
Concentration:
70 wt. % in H2O
Service technique
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Laissez-nous vous aiderNom du produit
Acide méthanesulfonique solution, 70 wt. % in H2O
vapor density
3.3 (vs air)
Quality Level
vapor pressure
<1 mmHg ( 20 °C)
concentration
70 wt. % in H2O
impurities
≤1,000 ppm Sulfate (SO4), ≤10 ppm Iron, ≤50 ppm Chloride (Cl)
refractive index
n20/D 1.416
density
1.319 g/mL at 25 °C
functional group
sulfonic acid
SMILES string
CS(O)(=O)=O
InChI
1S/CH4O3S/c1-5(2,3)4/h1H3,(H,2,3,4)
InChI key
AFVFQIVMOAPDHO-UHFFFAOYSA-N
General description
The product is a 70% aqueous solution of methanesulfonic acid (MSA). MSA is a strong organic acid. The chemical oxidation of dimetyl sulfide in the atmosphere leads to the formation of MSA in large quantities. MSA undergoes biodegradation by forming CO2 and sulphate. It is considered a green acid as it is less toxic and corrosive in comparison to mineral acids.1 The aqueous MSA solution has been considered a model electrolyte for electrochemical processes.
Application
Methanesulfonic acid solution may be used to study the corrosion behavior of stainless steel.
Legal Information
Product of Arkema Inc.
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signalword
Danger
hcodes
target_organs
Respiratory system
Classe de stockage
8A - Combustible corrosive hazardous materials
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1 - STOT SE 3
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Corrosion behaviour of stainless steels in aqueous solutions of methanesulfonic acid.
Finsgar M and Milosev I.
Corrosion Science, 52(7), 2430-2438 (2010)
Methane Sulphonic Acid is Green Catalyst in Organic Synthesis.
Kulkarni P.
Orient. J. Chem., 31(1), 447-451 (2015)
Microbial metabolism of methanesulfonic acid.
Kelly DP and Murrell JC.
Archives of Microbiology, 172(6), 341-348 (1999)

