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E33300

Sigma-Aldrich

异氰酸乙酯

98%

别名:

异氰酸乙酯

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About This Item

线性分子式:
C2H5NCO
CAS号:
109-90-0
分子量:
71.08
Beilstein:
773743
EC號碼:
203-717-9
MDL號碼:
MFCD00002042
分類程式碼代碼:
12352100
PubChem物質ID:
24894506
NACRES:
NA.22
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蒸汽壓力

4.34 psi ( 20 °C)

品質等級

200

化驗

98%

折射率

n20/D 1.381 (lit.)

bp

60 °C (lit.)

密度

0.898 g/mL at 25 °C (lit.)

儲存溫度

2-8°C

SMILES 字串

CCN=C=O

InChI

1S/C3H5NO/c1-2-4-3-5/h2H2,1H3

InChI 密鑰

WUDNUHPRLBTKOJ-UHFFFAOYSA-N

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一般說明

异氰酸乙酯在高温下发生三聚反应，用于合成异氰酸酯。[1]

應用

异氰酸乙酯可用于通过部分疏水改性在聚缩水甘油中产生热响应性。由此而形成的聚（缩水甘油-共-乙基缩水甘油基氨基甲酸酯）可在光敏剂存在下进行光交联以形成热响应凝胶。[2]它还可用于合成可作为有效的DNA促旋酶抑制剂的4,5,6,7-四氢苯并[1,2-d]噻唑-2,6-二胺衍生物。[3]

訊號詞

Danger

危險分類

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - 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 3

閃點（°F）

14.0 °F - closed cup

閃點（°C）

-10 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
SHBS1432
SHBQ7755
SHBQ3988
SHBQ6055
SHBQ0067

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M Boutin et al.
Journal of occupational and environmental hygiene, 2(9), 456-461 (2005-08-11)
During the thermal degradation of 1,6-hexamethylenediiso- cyanate-based (HDI) car paint, the eight most abundant isocyanates generated are isocyanic acid, methyl isocyanate, ethyl isocyanate, propyl isocyanate, butyl isocyanate, pentyl isocyanate, hexyl isocyanate, and 1,6-hexamethylenediisocyanate. For the first time, a method using
Farid M Sroor et al.
Archiv der Pharmazie, 353(10), e2000069-e2000069 (2020-07-14)
Ethyl 2-acrylamido-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate as well as its corresponding bis-derivatives, 5-10, with aliphatic linkers were synthesized, fully characterized, and tested as novel anticancer agents. The targeted compounds, 5-10, were obtained by the Knoevenagel condensation reactions of bis-o- or -p-aldehyde with a molar
Design, synthesis, and biological evaluation of 1?ethyl?3?(thiazol?2?yl) urea derivatives as Escherichia coli DNA gyrase inhibitors.
Tomasic T
Arch. Pharm. (Weinheim), 351(1) (2018)
The synthesis of isocyanurates on the trimerization of isocyanates under high pressure
Taguchi Y, et al.
Bulletin of the Chemical Society of Japan, 63, 3486-3489 (1990)
G S M Sundaram et al.
The Journal of organic chemistry, 72(13), 5020-5023 (2007-06-02)
An efficient route for regio- and chemoselective synthesis of substituted 3-(carboethoxy)imidazo[1,5-a]quinoxalines and novel diimidazo[1,5-a:5',1'-c]quinoxalines via base-induced cycloaddition of ethyl isocyanoacetate to unsymmetrically substituted 3-chloro-2-(methylthio)/2-(methylsulfonyl)quinoxalines has been reported.
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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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