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131490

Sigma-Aldrich

4-Methylpyridine

98%

Sinonimo/i:

4-Picoline, 4-Methylpyridine

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25 ML
35,00 €
250 ML
43,10 €
1 L
62,10 €

35,00 €

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Cambia visualizzazione
25 ML
35,00 €
250 ML
43,10 €
1 L
62,10 €

About This Item

Formula empirica (notazione di Hill):
C6H7N
Numero CAS:
108-89-4
Peso molecolare:
93.13
Beilstein:
104586
Numero CE:
203-626-4
Numero MDL:
MFCD00006440
Codice UNSPSC:
12352100
ID PubChem:
24848019
NACRES:
NA.22

35,00 €

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Densità del vapore

3.2 (vs air)

Livello qualitativo

200

Tensione di vapore

4 mmHg ( 20 °C)

Saggio

98%

Stato

liquid

Temp. autoaccensione

1000 °F

Indice di rifrazione

n20/D 1.504 (lit.)

P. ebollizione

145 °C (lit.)

Punto di fusione

2.4 °C (lit.)

Densità

0.957 g/mL at 25 °C (lit.)

Stringa SMILE

Cc1ccncc1

InChI

1S/C6H7N/c1-6-2-4-7-5-3-6/h2-5H,1H3
FKNQCJSGGFJEIZ-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

4-Methylpyridine is a neutral N-donor ligand[1].

4-picoline (4-Mepy) forms isostructural complexes with iron and cobalt phthalocyanines.[2]

Applicazioni

4-Methylpyridine was used in the preparation of a 1,2-dihydropyridide derivative[3].

Pittogrammi

FlameSkull and crossbones
GHS02,GHS06

Avvertenze

Danger

Classi di pericolo

Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

102.2 °F - closed cup

Punto d’infiammabilità (°C)

39 °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
BCCK5238
BCCC5653
BCBS4278V
BCBS0482V
BCBN0001V

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Comparative study of beryllium, magnesium and zinc phthalocyanine complexes with 4-picoline
Kubiak R, et al.
Polyhedron, 26, 4179-4186 (2007)
Susan M Chemaly et al.
Inorganic chemistry, 52(2), 1077-1083 (2012-12-28)
Equilibrium constants (log K) for substitution of coordinated H(2)O in aquacyanocobyrinic acid heptamethyl ester (aquacyanocobester, ACCbs) and aquacyano-stable yellow cobyrinic acid hexamethyl ester (aquacyano-stable yellow cobester, ACSYCbs), in which oxidation of the C5 carbon of the corrin interrupts the normal
Michael S Hill et al.
Dalton transactions (Cambridge, England : 2003), 40(46), 12500-12509 (2011-10-12)
Reactions of the β-diketiminato n-butyl magnesium complex, [HC{(Me)CN(2,6-(i)Pr(2)C(6)H(3))}(2)Mg(n)Bu], with a range of substituted pyridines and fused-ring quinolines in the presence of PhSiH(3) has been found to result in dearomatisation of the N-heterocyclic compounds. This reaction is proposed to occur through
Stéphanie Romand et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 63, 14-21 (2014-07-06)
A capillary isoelectric focusing (cIEF) method was developed for the determination of the ionization constants (pKa) of small molecules. Two approaches used to decrease the electroosmotic flow (EOF) were compared: (i) a hydroxypropylcellulose (HPC) coated capillary in aqueous medium and

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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

      Utile?

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