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Sigma-Aldrich

2,4-Dinitrobenzolsulfonsäure Hydrat

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About This Item

Lineare Formel:
(O2N)2C6H3SO3H · xH2O
CAS-Nummer:
698999-22-3
Molekulargewicht:
248.17 (anhydrous basis)
MDL-Nummer:
MFCD00066017
UNSPSC-Code:
12352100
PubChem Substanz-ID:
24879598
NACRES:
NA.22

mp (Schmelzpunkt)

95-98 °C (lit.)

Funktionelle Gruppe

nitro
sulfonic acid

SMILES String

OS(=O)(=O)c1ccc(cc1[N+]([O-])=O)[N+]([O-])=O

InChI

1S/C6H4N2O7S/c9-7(10)4-1-2-6(16(13,14)15)5(3-4)8(11)12/h1-3H,(H,13,14,15)

InChIKey

OVOJUAKDTOOXRF-UHFFFAOYSA-N

Anwendung

2,4-Dinitrobenzenesulfonic acid hydrate may be used in the synthesis of the corresponding α-hydroxyketone. It can be used as a catalyst in the amidation reaction, which involves the conversion of secondary-benzylic alcohols to N-benzylacetamides.[1] It may also be used to prepare 1-octyl-2-pyrrolidinonium 2,4-dinitrobenzenesulfonate ([NOP][DNBSA]), a Brønsted-acidic ionic liquid, which can catalyze the synthesis of trioxane.[2]

Piktogramme

Corrosion
GHS05

Signalwort

Danger

H-Sätze

H314

Gefahreneinstufungen

Skin Corr. 1B

Lagerklassenschlüssel

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
MKCM8197
MKCQ7618
MKCQ2262
MKCN6225
STBH2928

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Die Dokumentenbibliothek aufrufen

"The Ritter reaction under truly catalytic Bronsted acid conditions"
Sanz R, et al.
European Journal of Organic Chemistry, 2007(08), 4642-4645 (2007)
"Bronsted-Acidic Ionic Liquids as Catalysts for Synthesizing Trioxane"
Zhao Y, et al.
Chinese Journal of Chemical Engineering (2016)
Shurong Ren et al.
International immunopharmacology, 72, 284-291 (2019-04-21)
Imiquimod (Imiq) is a synthetic imizoquinoline compound which can act on Toll-like receptor (TLR)7 and transduce signals involved in cell activation. We investigated the role of Imiq on contact hypersensitivity (CHS) and explored the potential mechanisms of mast cells involved
Yejin Yang et al.
Drug design, development and therapy, 13, 231-242 (2019-01-16)
We examined whether metoclopramide (MCP), a modulator of dopamine and serotonin receptors, alleviated colitis and had synergistic effects when coadministered with 5-aminosalicylic acid (5-ASA) in an experimental model of colitis. MCP azo-linked to 5-ASA (5-[4-chloro-2-{2-(diethylamino)ethylcarbamoyl}- 1-methoxyphenyl]azosalicylic acid, MCP-azo-ASA) was synthesized
Tatsuya Ogawa et al.
Journal of immunology (Baltimore, Md. : 1950), 205(4), 907-914 (2020-07-22)
Atopic dermatitis is a chronic form of allergic contact dermatitis that is closely associated with a compromised epidermal barrier. Immunogenicity of a given electrophilic hapten after penetration of this barrier depends directly on biochemical reactions in the thiol-rich layer in

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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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