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193070

Sigma-Aldrich

2-Methylbutyric acid

98%

Sinonimo/i:

NSC 7304

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38,80 €
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71,80 €

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25 G
38,80 €
100 G
71,80 €

About This Item

Formula condensata:
C2H5CH(CH3)CO2H
Numero CAS:
116-53-0
Peso molecolare:
102.13
Numero CE:
204-145-2
Numero MDL:
MFCD00002669
Codice UNSPSC:
12352100
ID PubChem:
24851578
NACRES:
NA.22

38,80 €

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Tensione di vapore

0.5 mmHg ( 20 °C)

Livello qualitativo

100

Saggio

98%

Stato

liquid

Indice di rifrazione

n20/D 1.405 (lit.)

P. ebollizione

176-177 °C (lit.)

Densità

0.936 g/mL at 25 °C (lit.)

Gruppo funzionale

carboxylic acid

Stringa SMILE

CCC(C)C(O)=O

InChI

1S/C5H10O2/c1-3-4(2)5(6)7/h4H,3H2,1-2H3,(H,6,7)
WLAMNBDJUVNPJU-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

2-Methylbutyric acid is a short-chain fatty acid used as a chemical intermediate for plasticizers and lubricants.[1]

Enantioselective esterification of (+/-)-2-methylbutynic acid catalyzed by Chromobacterium viscosum lipase immobilized in microemulsion-based organogels has been investigated[2].

Applicazioni

2-Methylbutyric acid was used in the synthesis of 2-methylbutyric anhydride, an acylating agent[3].

Pittogrammi

CorrosionExclamation mark
GHS05,GHS07

Avvertenze

Danger

Indicazioni di pericolo

H290,H302 + H312,H314

Classi di pericolo

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

Codice della classe di stoccaggio

8A - Combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

170.6 °F - closed cup

Punto d’infiammabilità (°C)

77 °C - closed cup

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
STBL1030
STBK5124
STBK2400
STBJ8317
STBJ2518

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Annika Cichy et al.
Current biology : CB, 29(16), 2687-2697 (2019-08-06)
The mammalian main olfactory pathway detects myriad volatile chemicals using >1,000 odorant receptor (OR) genes, which are organized into two phylogenetically distinct classes (class I and class II). An important question is how these evolutionarily conserved classes contribute to odor
Different acylating agents in the synthesis of aromatic ketones on sulfated zirconia.
Deutsch J, et al.
Catalysis Letters, 88(1-2), 9-15 (2003)
Production of C5 carboxylic acids in engineered Escherichia coli
Dhande YK, et al.
Process Biochemistry (Oxford, United Kingdom), 47, 1965-1971 (2012)
Enantioselective esterification of 2-methylbutyric acid catalyzed via lipase immobilized in microemulsion-based organogels.
Uemasu I and Hinze WL.
Chirality, 6(8), 649-653 (1994)
Lam K Huynh et al.
The journal of physical chemistry. A, 112(51), 13470-13480 (2008-11-28)
An increased necessity for energy independence and heightened concern about the effects of rising carbon dioxide levels have intensified the search for renewable fuels that could reduce our current consumption of petrol and diesel. One such fuel is biodiesel, which
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Domande

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  1. 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

      Utile?

  2. 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?

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