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109959

Sigma-Aldrich

2-Ethylbutyric acid

99%

Sinônimo(s):

Diethylacetic acid

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100 ML
R$ 353,00
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R$ 353,00
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About This Item

Fórmula linear:
(C2H5)2CHCO2H
Número CAS:
88-09-5
Peso molecular:
116.16
Beilstein:
1098634
Número CE:
201-796-4
Número MDL:
MFCD00002670
Código UNSPSC:
12352100
ID de substância PubChem:
24846948
NACRES:
NA.22

R$ 353,00

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pressão de vapor

0.08 mmHg ( 20 °C)

Ensaio

99%

índice de refração

n20/D 1.413 (lit.)

p.e.

99-101 °C/18 mmHg (lit.)

pf

−16-−13 °C (lit.)

densidade

0.92 g/mL at 25 °C (lit.)

grupo funcional

carboxylic acid

cadeia de caracteres SMILES

CCC(CC)C(O)=O

InChI

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

chave InChI

OXQGTIUCKGYOAA-UHFFFAOYSA-N

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Aplicação

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].

Pictogramas

Skull and crossbonesHealth hazard
GHS06,GHS08

Palavra indicadora

Danger

Frases de perigo

H311,H315,H319,H373

Classificações de perigo

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

Órgãos-alvo

Blood,Liver,Kidney

Código de classe de armazenamento

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

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

188.6 °F - closed cup

Ponto de fulgor (°C)

87 °C - closed cup

Equipamento de proteção individual

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

Escolha uma das versões mais recentes:

Certificados de análise (COA)

Lot/Batch Number
STBL0368
STBL0924
STBK3499
STBK2748
STBK0660

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Pesquise por COA

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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
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
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
Jennifer M Monk et al.
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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
Yadong Zhong et al.
The British journal of nutrition, 113(10), 1558-1570 (2015-04-14)
Mixed-linkage β-glucans are fermented by the colon microbiota that give rise to SCFA. Propionic and butyric acids have been found to play an important role in colonic health, as well as they may have extraintestinal metabolic effects. The aim of
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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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