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123579

Sigma-Aldrich

Benzolsulfinsäure

98%

Synonym(e):

Benzolsulfinsäure Natriumsalz

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37,30 €
100 G
59,90 €
500 G
186,00 €

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25 G
37,30 €
100 G
59,90 €
500 G
186,00 €

About This Item

Lineare Formel:
C6H5SO2Na
CAS-Nummer:
873-55-2
Molekulargewicht:
164.16
Beilstein:
3598405
EG-Nummer:
212-842-8
MDL-Nummer:
MFCD00013135
UNSPSC-Code:
12352100
PubChem Substanz-ID:
24847576
NACRES:
NA.22

37,30 €

Versandbereit am24. April 2025Details

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Qualitätsniveau

100

Assay

98%

Form

solid

mp (Schmelzpunkt)

>300 °C (lit.)

Funktionelle Gruppe

sulfinic acid

SMILES String

[Na+].[O-]S(=O)c1ccccc1

InChI

1S/C6H6O2S.Na/c7-9(8)6-4-2-1-3-5-6;/h1-5H,(H,7,8);/q;+1/p-1

InChIKey

CHLCPTJLUJHDBO-UHFFFAOYSA-M

Verwandte Kategorien

Allgemeine Beschreibung

Benzenesulfinic acid sodium salt when treated with alkynylselenonium salts yields (Z)-β-alkoxyvinylsulfones[1]. It undergoes rhodium-catalyzed desulfinative coupling with aldehydes to yield ketones[2].

Anwendung

Benzenesulfinic acid sodium salt has been used in synthesis of sulfones by reaction of organic halides and sodium benzenesulfinate using higher alcohols or diols as solvents[3].It was also used in the synthesis of aryl sulfones via copper-catalyzed cross-coupling with boronic acids[4] and vinyl sulfones via reaction with vicinal dibromides[5].

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
SDBB0762
STBK5336
STBJ4175
STBJ2171
STBG2366V

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Sigma-Aldrich

152536

Natrium-p-toluolsulfonat

Synthesis, 1465-1465 (2007)
Reactions of alkynylselenonium salts with sodium benzenesulfinate.
Kataoka T, et al.
Tetrahedron Letters, 38(10), 1809-1812 (1997)
Sulfones from sodium benzenesulfinate.
Kauffman JM.
Journal of Chemical and Engineering Data, 14(4), 498-499 (1969)
Rhodium-Catalyzed Aerobic Coupling between Aldehydes and Arenesulfinic Acid Salts: A Novel Synthesis of Aryl Ketones.
Rao H, et al.
Advanced Synthesis & Catalysis, 353(10), 1701-1706 (2011)
Pedro Paulo Albuquerque Cavalcanti Albuquerque et al.
The journal of adhesive dentistry, 21(2), 133-141 (2019-04-06)
To determine the degree of conversion (DC), physicochemical properties, and microshear bond strength (µSBS) of experimental self-adhesive resin cements (SARCs) to dentin and yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) ceramic. Dual-curing cements were formulated with UDMA, HEMA, bis-GMA, and TEG-DMA as
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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 Antwort

    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 Antwort

    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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