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471259

Sigma-Aldrich

Methanesulfonyl chloride

≥99.7%

Synonyme(s) :

Methyl sulfonyl chloride, Mesyl chloride

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About This Item

Formule linéaire :
CH3SO2Cl
Numéro CAS:
124-63-0
Poids moléculaire :
114.55
Beilstein:
506297
Numéro CE :
204-706-1
Numéro MDL:
MFCD00007454
Code UNSPSC :
12352101
ID de substance PubChem :
24870710
Nomenclature NACRES :
NA.22
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Niveau de qualité

200

Essai

≥99.7%

Indice de réfraction

n20/D 1.452 (lit.)

pb

60 °C/21 mmHg (lit.)

Densité

1.48 g/mL at 25 °C (lit.)

Température de stockage

2-8°C

Chaîne SMILES 

CS(Cl)(=O)=O

InChI

1S/CH3ClO2S/c1-5(2,3)4/h1H3

Clé InChI

QARBMVPHQWIHKH-UHFFFAOYSA-N

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Catégories apparentées

Application

Methanesulfonyl chloride can be used for the mesylation of primary alcohols to synthesize the corresponding methanesulfonates.[1][2] It may also be used for the conversion of amines to the corresponding sulfonamides.[3]

Pictogrammes

Skull and crossbonesCorrosion
GHS06,GHS05

Mention d'avertissement

Danger

Classification des risques

Acute Tox. 1 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3

Organes cibles

Respiratory system

Code de la classe de stockage

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

215.6 °F - closed cup

Point d'éclair (°C)

102 °C - closed cup

Équipement de protection individuelle

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificats d'analyse (COA)

Lot/Batch Number
MKCT6637
MKCR7724
MKCS5285
MKCS0194
MKCQ6490

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Methanesulfonyl Chloride.
Vaillancourt V
e-EROS Encyclopedia of Reagents for Organic Synthesis. (2007)
Water-solvent method for tosylation and mesylation of primary alcohols promoted by KOH and catalytic amines.
Morita J I
Green Chemistry, 7(10), 711-715 (2005)
Shengzhuang Tang et al.
The Journal of organic chemistry, 85(5), 2945-2955 (2020-02-06)
Despite its importance in the design of photocaged molecules, less attention is focused on linker chemistry than the cage itself. Here, we describe unique uncaging properties displayed by two coumarin-caged thymidine compounds, each conjugated with (2) or without (1) an
Base-free monosulfonylation of amines using tosyl or mesyl chloride in water
Kamal A
Tetrahedron Letters, 49(2), 348-353 (2008)
Yasuhiro Torisawa et al.
Bioorganic & medicinal chemistry letters, 17(2), 448-452 (2006-10-28)
Continuing search for beneficial additive toward the Beckmann rearrangement (BR) of indanone oxime has revealed that common Lewis acid catalyst in methanesulfonyl chloride (MsCl) showed increasing efficiency in this ionic rearrangement. The new protocol with MsCl is superior to the
Afficher tous les articles scientifiques apparentés

Questions

1–2 sur 2 questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 réponse

    1. 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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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 réponse

    1. 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.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      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/449/386/product-dating-information-mk.pdf

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