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109959

Sigma-Aldrich

2-Ethylbutyric acid

99%

Sinonimo/i:

Diethylacetic acid

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100 ML
34,70 €
1 L
316,00 €

34,70 €

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Cambia visualizzazione
100 ML
34,70 €
1 L
316,00 €

About This Item

Formula condensata:
(C2H5)2CHCO2H
Numero CAS:
88-09-5
Peso molecolare:
116.16
Beilstein:
1098634
Numero CE:
201-796-4
Numero MDL:
MFCD00002670
Codice UNSPSC:
12352100
ID PubChem:
24846948
NACRES:
NA.22

34,70 €

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Tensione di vapore

0.08 mmHg ( 20 °C)

Livello qualitativo

100

Saggio

99%

Indice di rifrazione

n20/D 1.413 (lit.)

P. ebollizione

99-101 °C/18 mmHg (lit.)

Punto di fusione

−16-−13 °C (lit.)

Densità

0.92 g/mL at 25 °C (lit.)

Gruppo funzionale

carboxylic acid

Stringa SMILE

CCC(CC)C(O)=O

InChI

1S/C6H12O2/c1-3-5(4-2)6(7)8/h5H,3-4H2,1-2H3,(H,7,8)
OXQGTIUCKGYOAA-UHFFFAOYSA-N

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Applicazioni

2-Ethylbutyric acid is used as the internal standard for determining volatile fatty acids (VFAs) in wastewater from the constructed wetlands[1]. It is used in the determination of both free and fatty acids in milk and milk products by HPLC method with direct derivatisation[2].

Pittogrammi

Skull and crossbonesHealth hazard
GHS06,GHS08

Avvertenze

Danger

Indicazioni di pericolo

H311,H315,H319,H373

Classi di pericolo

Acute Tox. 3 Dermal - Eye Irrit. 2 - Skin Irrit. 2 - STOT RE 2 Oral

Organi bersaglio

Blood,Liver,Kidney

Codice della classe di stoccaggio

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

188.6 °F - closed cup

Punto d’infiammabilità (°C)

87 °C - closed cup

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
STBL2239
STBL0368
STBL0924
STBK3499
STBK2748

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Lin Feng et al.
Journal of chromatographic science, 46(7), 577-584 (2008-08-23)
A headspace solid-phase microextraction (HS-SPME) followed by gas chromatography coupled to flame ionization detector (GC-FID) is developed for the direct determination of volatile fatty acids (VFAs) in wastewater from constructed wetlands. Through the investigation on extraction behavior of different coatings
Jennifer M Monk et al.
Nutrients, 13(3) (2021-03-04)
Cooked common beans (Phaseolus vulgaris) improve intestinal health in lean mice and attenuate intestinal dysbiosis and inflammation when consumed concurrent with obesity development. We determined the effects of a high-fat (HF) bean supplemented diet in mice with established obesity (induced
Yung-Tsung Chen et al.
Nutrients, 13(7) (2021-07-03)
Consumption of different types of high-calorie foods leads to the development of various metabolic disorders. However, the effects of multi-strain probiotics on different types of diet-induced obesity and intestinal dysbiosis remain unclear. In this study, mice were fed a control
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Molecules (Basel, Switzerland), 25(12) (2020-06-24)
Alterations of gut microbiota are evident during the aging process. Prebiotics may restore the gut microbial balance, with β-glucans emerging as prebiotic candidates. This study aimed to investigate the impact of edible mushrooms rich in β-glucans on the gut microbiota
Yi Liu et al.
Food & function, 7(9), 3772-3781 (2016-10-08)
Indigestible resistant starches (RS) are substrates for gut-microbial metabolism and have been shown to attenuate intestinal inflammation but the supporting evidence is inconsistent and lacks mechanistic explanation. We have recently reported dietary RS type 4 (RS4) induced improvements in immunometabolic
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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 risposta

    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

      Utile?

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

    1 risposta

    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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