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131490

Sigma-Aldrich

4-甲基吡啶

98%

别名:

4-皮考啉, 4-甲基吡啶

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25 ML
$73.50
250 ML
$82.40
1 L
$108.00

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25 ML
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250 ML
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1 L
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About This Item

经验公式（希尔记法）:
C6H7N
CAS号:
108-89-4
分子量:
93.13
Beilstein:
104586
EC 号:
203-626-4
MDL编号:
MFCD00006440
UNSPSC代码:
12352100
PubChem化学物质编号:
24848019
NACRES:
NA.22

$73.50

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蒸汽密度

3.2 (vs air)

质量水平

200

蒸汽压

4 mmHg ( 20 °C)

方案

98%

表单

liquid

自燃温度

1000 °F

折射率

n20/D 1.504 (lit.)

沸点

145 °C (lit.)

mp

2.4 °C (lit.)

密度

0.957 g/mL at 25 °C (lit.)

SMILES字符串

Cc1ccncc1

InChI

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

InChI key

FKNQCJSGGFJEIZ-UHFFFAOYSA-N

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相关类别

一般描述

4-甲基吡啶是一种中性的氮配体[1]。

4-甲基吡啶（4-Mepy）与铁和钴酞菁形成等同构配合物。[2]

应用

采用 4-甲基吡啶合成了1,2-二氢吡啶衍生物[3]。

象形图

FlameSkull and crossbones
GHS02,GHS06

警示用语：

Danger

危险分类

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

靶器官

Respiratory system

储存分类代码

3 - Flammable liquids

WGK

WGK 1

闪点(°F)

102.2 °F - closed cup

闪点(°C)

39 °C - closed cup

个人防护装备

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

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCK5238
BCCC5653
BCBS4278V
BCBS0482V
BCBN0001V

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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
Comparative study of beryllium, magnesium and zinc phthalocyanine complexes with 4-picoline
Kubiak R, et al.
Polyhedron, 26, 4179-4186 (2007)
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

Questions

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  1. 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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  2. 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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