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Merck

233188

Sigma-Aldrich

4′-(三氟甲基)乙酰苯

98%

别名:

4-乙酰基三氟甲苯

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$182.00
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$285.00

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5 G
$182.00
25 G
$285.00

About This Item

线性分子式:
CF3C6H4COCH3
CAS号:
分子量:
188.15
Beilstein:
1870425
EC 号:
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22

$182.00


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质量水平

方案

98%

表单

solid

沸点

79-80 °C/8 mmHg (lit.)

mp

30-33 °C (lit.)

官能团

fluoro
ketone

SMILES字符串

CC(=O)c1ccc(cc1)C(F)(F)F

InChI

1S/C9H7F3O/c1-6(13)7-2-4-8(5-3-7)9(10,11)12/h2-5H,1H3

InChI key

HHAISVSEJFEWBZ-UHFFFAOYSA-N

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一般描述

人们已经研究了在四异丙醇钛存在时,由 1,2-双(羟基樟脑磺酰胺基)环己烯介导的二烷基锌向 4′-(三氟甲基)苯乙酮的对映选择性加成反应[1]。使用脉冲源荧光法研究了4′-(三氟甲基)苯乙酮的磷光发射光谱[2]

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Eye Irrit. 2 - Skin Irrit. 2

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

183.2 °F - closed cup

闪点(°C)

84 °C - closed cup

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Pulsed source, time resolved phosphorimetry determination of phosphorescence lifetimes.
Harbaugh KF, et al.
Analytical Chemistry, 45(2), 381-382 (1973)
Highly enantioselective addition of dialkylzinc reagents to ketones promoted by titanium tetraisopropoxide.
Yus M, et al.
Tetrahedron Asymmetry, 13(21), 2291-2293 (2002)

Questions

1–2 of 2 Questions  
  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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