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重要文件

108421

Sigma-Aldrich

氰基乙酸甲酯

99%

同義詞:

Methyl 2-cyanoacetate

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About This Item

線性公式:
NCCH2COOCH3
CAS號碼:
分子量::
99.09
Beilstein:
773945
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
eCl@ss:
39031513
PubChem物質ID:
NACRES:
NA.22
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蒸汽密度

3.41 (vs air)

蒸汽壓力

0.2 mmHg ( 20 °C)

化驗

99%

折射率

n20/D 1.417 (lit.)

bp

204-207 °C (lit.)

mp

−13 °C (lit.)

密度

1.123 g/mL at 25 °C (lit.)

官能基

ester
nitrile

SMILES 字串

COC(=O)CC#N

InChI

1S/C4H5NO2/c1-7-4(6)2-3-5/h2H2,1H3

InChI 密鑰

ANGDWNBGPBMQHW-UHFFFAOYSA-N

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一般說明

氰基乙酸甲酯是药物有机合成以及合成农业中使用的一些生物活性化合物的中间产物 [1]。它与芳香醛发生方解石或萤石催化的 Knövenagel 缩合反应,得到相应的的芳亚芳基马来腈和 ( E )-α-氰酸酯 [2]

應用

氰乙酸甲酯可用于合成各种 1,2,5-三羰基化合物 [3]

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

Eye Irrit. 2

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

230.0 °F - closed cup

閃點(°C)

110 °C - closed cup

個人防護裝備

Eyeshields, Gloves


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分析證明 (COA)

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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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