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186260

Sigma-Aldrich

Ethansulfonsäure

Ethanesulfonic acid
1 of 1 reviewers received a sample product or took part in a promotion

95%

Synonym(e):

1-Ethanesulfonic acid, Ethylsulfonic acid

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€ 52,60
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€ 95,20

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5 G
€ 52,60
25 G
€ 95,20

About This Item

Lineare Formel:
CH3CH2SO3H
CAS-Nummer:
594-45-6
Molekulargewicht:
110.13
Beilstein:
1743071
EG-Nummer:
209-843-0
MDL-Nummer:
MFCD00007529
UNSPSC-Code:
12352100
PubChem Substanz-ID:
24851210
NACRES:
NA.22

€ 52,60

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Assay

95%

Brechungsindex

n20/D 1.434 (lit.)

bp

123 °C/0.01 mmHg (lit.)

mp (Schmelzpunkt)

−17 °C (lit.)

Löslichkeit

water: soluble

Dichte

1.35 g/mL at 25 °C (lit.)

Funktionelle Gruppe

sulfonic acid

SMILES String

O=S(O)(CC)=O

InChI

1S/C2H6O3S/c1-2-6(3,4)5/h2H2,1H3,(H,3,4,5)

InChIKey

CCIVGXIOQKPBKL-UHFFFAOYSA-N

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Allgemeine Beschreibung

Ethanesulfonic acid participates in electrolytic reduction of perrhenate solutions[1].

Ethanesulfonic acid is a sulfonic acid, commonly used as a catalyst for alkylation and polymerization reactions.[2][3]

Anwendung

Ethanesulfonic acid is used as an esterification catalyst in the pre-treatment of ACPO (acidic crude palm oil) to produce biodiesel.[4]

Piktogramme

CorrosionExclamation mark
GHS05,GHS07

Signalwort

Danger

H-Sätze

H302,H314

Gefahreneinstufungen

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Lagerklassenschlüssel

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flammpunkt (°F)

235.4 °F - closed cup

Flammpunkt (°C)

113 °C - closed cup

Persönliche Schutzausrüstung

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

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
BCCM9197
BCCL0051
BCCF9325
BCCL8342
BCCD4899

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The Action of Sulfuric Acid, Ethanesulfonic Acid and Chlorosulfonic Acid on Aliphatic Hydrocarbons
Gordon GS and Burwell RL
Journal of the American Chemical Society, 71(7), 2355-2359 (1949)
Electrolytic Reduction of Perrhenate. I. Studies in Perchloric, Ethanesulfonic, Trifluoroacetic and Hydrochloric Acids.
Hindman JC and Wehner P.
Journal of the American Chemical Society, 75(12), 2869-2872 (1953)
Advanced fuel cell catalysts: sulfonation of carbon-supported catalysts using 2-aminoethanesulfonic acid
Xu Z, et al.
Electrochemical and Solid-State Letters, 6(9), A171-A171 (2003)
Anne N Reid et al.
Applied and environmental microbiology, 74(5), 1598-1612 (2008-01-15)
In order to cause disease, the food- and waterborne pathogen Campylobacter jejuni must face the extreme acidity of the host stomach as well as cope with pH fluctuations in the intestine. In the present study, C. jejuni NCTC 11168 was
Adeeb Hayyan et al.
Bioresource technology, 102(20), 9564-9570 (2011-08-23)
An industrial grade acidic crude palm oil (ACPO) pre-treatment process was carried out using ethanesulfonic acid (ESA) as a catalyst in the esterification reaction. ESA was used in different dosages to reduce free fatty acid (FFA) to a minimum level
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Questions

1–2 of 2 Questions  

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

    1 answer

    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 answer

    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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Reviews

1 of 1 reviewers received a sample product or took part in a promotion

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    • Review 1
    • Votes 0
    4 out of 5 stars.

    Product is fine but there's not enough

    The sizing is fairly limited, the largest bottle doesn't last me very long at all. I don't have any issue with the product itself, purchasing it every few weeks is tiresome when a larger bottle could exist.

    Helpful?

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