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258563

Sigma-Aldrich

2-Methylpentanal

98%

Sinónimos:

2-Methylvaleraldehyde

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About This Item

Fórmula lineal:
CH3CH2CH2CH(CH3)CHO
Número de CAS:
123-15-9
Peso molecular:
100.16
Beilstein:
1739423
Número CE:
204-605-2
Número MDL:
MFCD00006986
Código UNSPSC:
12352100
ID de la sustancia en PubChem:
24855648
NACRES:
NA.22
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densidad de vapor

3.45 (vs air)

Nivel de calidad

100

Ensayo

98%

Formulario

liquid

temp. de autoignición

390 °F

índice de refracción

n20/D 1.401 (lit.)

bp

119-120 °C (lit.)

densidad

0.808 g/mL at 25 °C (lit.)

grupo funcional

aldehyde

cadena SMILES

CCCC(C)C=O

InChI

1S/C6H12O/c1-3-4-6(2)5-7/h5-6H,3-4H2,1-2H3

Clave InChI

FTZILAQGHINQQR-UHFFFAOYSA-N

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Descripción general

Cross-aldol condensation reaction of 2-methylpentanal with propanal to form 2,4-dimethylhept-2-enal has been investigated[1]. Oxidation of 2-methylpentanal with azidotrimetlzylsilane and chromic anhydride in CH2Cl2 has been investigated[2].

Pictogramas

FlameExclamation mark
GHS02,GHS07

Palabra de señalización

Danger

Frases de peligro

H225,H315,H319,H335

Clasificaciones de peligro

Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Órganos de actuación

Respiratory system

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

60.8 °F - closed cup

Punto de inflamabilidad (°C)

16 °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
MKCV0387
MKCT9503
MKCT6689
MKCN1937
MKCG7248

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Oxidation of aldehydes to acyl azides by chromic anhydride-azidotrimethylsilane.
Lee JG and Kwak KH.
Tetrahedron Letters, 33(22), 3165-3166 (1992)
Valentina Innamorato et al.
Food chemistry, 315, 126247-126247 (2020-02-02)
Three non-targeted methods, i.e. 1H NMR, LC-HRMS, and HS-SPME/MS-eNose, combined with chemometrics, were used to classify two table grape cultivars (Italia and Victoria) based on five quality levels (5, 4, 3, 2, 1). Grapes at marketable quality levels (5, 4
Sajjad Ahmad et al.
Drug design, development and therapy, 15, 1299-1313 (2021-04-02)
Organocatalytic asymmetric Michael addition is a strong approach for C-C bond formation. The objective of the study is to design molecules by exploiting the efficiency of Michael Adducts. We proceeded with the synthesis of Michael adducts by tailoring the substitution
Christian P Mehnert et al.
Chemical communications (Cambridge, England), (15), 1610-1611 (2002-08-13)
C9-aldehyde has been prepared via aldol condensation reactions in ionic liquid media; catalyst investigation showed enhanced product selectivity for the desired aldehyde in ionic liquid media than in conventional solvent systems.

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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