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重要文件

131490

Sigma-Aldrich

4-甲基吡啶

98%

同義詞:

4-皮考啉, 4-甲基吡啶

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About This Item

經驗公式(希爾表示法):
C6H7N
CAS號碼:
分子量::
93.13
Beilstein:
104586
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22
暫時無法取得訂價和供貨情況

蒸汽密度

3.2 (vs air)

品質等級

蒸汽壓力

4 mmHg ( 20 °C)

化驗

98%

形狀

liquid

自燃溫度

1000 °F

折射率

n20/D 1.504 (lit.)

bp

145 °C (lit.)

mp

2.4 °C (lit.)

密度

0.957 g/mL at 25 °C (lit.)

SMILES 字串

Cc1ccncc1

InChI

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

InChI 密鑰

FKNQCJSGGFJEIZ-UHFFFAOYSA-N

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一般說明

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]

應用

采用 4-甲基吡啶合成了1,2-二氢吡啶衍生物[3]

象形圖

FlameSkull and crossbones

訊號詞

Danger

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

102.2 °F - closed cup

閃點(°C)

39 °C - closed cup

個人防護裝備

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


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分析證明 (COA)

Lot/Batch Number

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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 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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