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109959

Sigma-Aldrich

2-Ethylbutyric acid

99%

Sinónimos:

Diethylacetic acid

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100 ML
34,50 €
1 L
115,00 €

34,50 €

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100 ML
34,50 €
1 L
115,00 €

About This Item

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

34,50 €

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presión de vapor

0.08 mmHg ( 20 °C)

Nivel de calidad

100

Ensayo

99%

índice de refracción

n20/D 1.413 (lit.)

bp

99-101 °C/18 mmHg (lit.)

mp

−16-−13 °C (lit.)

densidad

0.92 g/mL at 25 °C (lit.)

grupo funcional

carboxylic acid

cadena 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)

Clave InChI

OXQGTIUCKGYOAA-UHFFFAOYSA-N

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Aplicación

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

Palabra de señalización

Danger

Frases de peligro

H311,H315,H319,H373

Clasificaciones de peligro

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

Órganos de actuación

Blood,Liver,Kidney

Código de clase de almacenamiento

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

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

188.6 °F - closed cup

Punto de inflamabilidad (°C)

87 °C - closed cup

Equipo de protección personal

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

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Certificados de análisis (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
Evdokia K Mitsou et al.
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
Ver todos los artículos relacionados

Preguntas

1–2 de 2 Preguntas  

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

    1 respuesta

    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 respuesta

    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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