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重要文件

33482

Sigma-Aldrich

1,8-二氮杂双环[5.4.0]十一碳-7-烯

puriss., ≥99.0% (GC)

同義詞:

2,3,4,6,7,8,9,10-八氢嘧啶并[1,2-a]氮杂卓, DBU

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About This Item

經驗公式(希爾表示法):
C9H16N2
分子量::
152.24
Beilstein:
508906
EC號碼:
MDL號碼:
分類程式碼代碼:
12352005
PubChem物質ID:
NACRES:
NA.22
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蒸汽壓力

7.1 hPa ( 37.7 °C)

品質等級

等級

puriss.

化驗

≥99.0% (GC)

形狀

liquid

折射率

n20/D 1.523

pH值

(12,8 at 10 g/l at 20 °C)

bp

115 °C/11 mmHg (lit.)

mp

-70  °C

密度

1.019 g/mL at 20 °C (lit.)

SMILES 字串

C1CCN2CCCN=C2CC1

InChI

1S/C9H16N2/c1-2-5-9-10-6-4-8-11(9)7-3-1/h1-8H2

InChI 密鑰

GQHTUMJGOHRCHB-UHFFFAOYSA-N

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應用

1,8-二氮杂双环[5.4.0]十一碳-7-烯可用作:
  • 介导与含氮亲核试剂的加成,形成α,β-不饱和羰基化合物。[1]
  • 作为羧酸与碳酸二甲酯的酯化反应的亲核催化剂。[2]
  • 作为溴化亚铜介导的甲基丙烯酸酯的原子转移自由基聚合反应的双齿配体。[3]
  • 作为碳酸二甲酯与甘油的酯交换反应的有效催化剂。[4]
Amidine base used for dehydrohalogenation reactions to olefinscitation; Further important applications are e.g.: esterification of carboxylic acids with alkyl halidescitationcitation; Alkylation and acylation of active methylene compoundscitation

其他說明

脱氢卤化反应形成烯烃的脒碱[5];更为重要的应用为,例如,羧酸与烷基卤的酯化反应[6][7];活性亚甲基化合物的烷基化和酰化[8]

象形圖

Skull and crossbonesCorrosion

訊號詞

Danger

危險分類

Acute Tox. 3 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

儲存類別代碼

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

水污染物質分類(WGK)

WGK 2

閃點(°F)

240.8 °F

閃點(°C)

116 °C

個人防護裝備

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


從最近期的版本中選擇一個:

分析證明 (COA)

Lot/Batch Number

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存取文件庫

C.G. Rao
Organic preparations and procedures international, 12, 225-225 (1980)
N. Ono et al.
Bulletin of the Chemical Society of Japan, 51, 2401-2401 (1978)
N. Ono et al.
Bulletin of the Chemical Society of Japan, 52, 1716-1716 (1979)
H. Oediger et al.
Synthesis, 591-591 (1972)
1, 8-Diazabicyclo [5.4. 0] undec-7-ene (DBU) as ligand for atom transfer radical polymerization (ATRP)
Fournier D, et al.
European Polymer Journal, 41(7), 1576-1581 (2005)

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

      Helpful?

  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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