If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
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For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
8.06022
Methansulfonsäure
for synthesis
Synonym(e):
Methansulfonsäure, MSA
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| Ihnen/SKU | Verfügbarkeit | Preis |
|---|
Über diesen Artikel
grade
synthesis grade
Quality Segment
vapor pressure
<1 hPa ( 20 °C)
assay
≥99.0% (acidimetric)
form
liquid
potency
649 mg/kg LD50, oral (Rat), 200-2000 mg/kg LD50, skin (Rabbit)
bp
167 °C/13 hPa
mp
20 °C
transition temp
flash point 189 °C
solubility
1000 g/L
density
1.48 g/cm3 at 20 °C
storage temp.
2-30°C
SMILES string
[S](=O)(=O)([O-])C.[H+]
InChI
1S/CH4O3S/c1-5(2,3)4/h1H3,(H,2,3,4)
InChI key
AFVFQIVMOAPDHO-UHFFFAOYSA-N
Application
- Methansulfonsäure in der Hydrometallurgie: In diesem Artikel werden die Eigenschaften der Methansulfonsäure und ihre Anwendungen in der Hydrometallurgie erläutert und ihre Vorteile gegenüber anderen Säuren hervorgehoben (Binnemans und Jones, 2023).
- Die Rolle von MSA bei der Bildung und dem Wachstum von Aerosolen: Diese Studie untersucht, wie MSA die Aerosolbildung und den damit verbundenen Strahlungsantrieb beeinflussen kann und hebt die Umweltauswirkungen hervor (Tang et al., 2019).
- Organische Säuren bei der Bildung neuer Partikel: Diese Forschungsarbeit zur Rolle organischer Säuren bei der Verbesserung der MSA-gesteuerten Bildung neuer Partikel liefert Einblicke in die atmosphärische Chemie (Tang et al., 2022).
- Methansulfonsäure als nachhaltiges saures Lösungsmittel: In diesem Artikel wird die Verwendung von MSA zur Rückgewinnung von Metallen aus Rückständen in der Zinkindustrie diskutiert, um seine Anwendungen in der nachhaltigen Metallurgie herauszustellen (Tang et al., 2019).
Analysis Note
Assay (acidimetrisch): ≥ 99,0 %
Dichte (d 20 °C/ 4 °C): 1,478 – 1,482
Aufgrund seines spezifischen Schmelzbereichs kann das Produkt fest, flüssig, eine erstarrte oder unterkühlte Schmelze sein.
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Dieser Artikel | |||
|---|---|---|---|
| description for synthesis | description suitable for HPLC, LiChropur™, ≥99.5% (T) | description ≥99.0% | description 4 M (with 0.2% (w/v) tryptamine) |
| grade synthesis grade | grade - | grade - | grade - |
| assay ≥99.0% (acidimetric) | assay ≥99.5% (T) | assay ≥99.0% | assay - |
| Quality Level 200 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
| form liquid | form liquid | form liquid | form liquid |
| solubility 1000 g/L | solubility - | solubility water: soluble 1,000 g/L at 20 °C | solubility - |
| storage temp. 2-30°C | storage temp. - | storage temp. - | storage temp. 2-8°C |
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1 - STOT SE 3
target_organs
Respiratory system
Lagerklasse
8A - Combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
372.2 °F - closed cup
flash_point_c
189 °C - closed cup
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How can I determine the shelf life / expiration / retest date of this product?
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Could you please let me know the purity of this product? Also, is it suitable for use as a cation eluent in ion chromatography (IC)?
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The material is specified to be at least 99% pure by acidimetry. This product is not tested for use in ion chromatography applications; suitability may need to be determined by the end user. Product 55517 is a 0.1 M eluent concentrate specifically intended for ion chromatography applications and may be a more suitable option.
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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