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T9281

Sigma-Aldrich

四甲基乙二胺

N,N,N′,N′-Tetramethylethylenediamine

BioReagent, suitable for electrophoresis, ≥99.0%

同義詞:

1,2-双(二甲基氨基)乙烷, TEMED, TMEDA

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About This Item

線性公式:
(CH3)2NCH2CH2N(CH3)2
CAS號碼:
110-18-9
分子量：:
116.20
Beilstein:
1732991
EC號碼:
203-744-6
MDL號碼:
MFCD00008335
分類程式碼代碼:
41105319
PubChem物質ID:
24900591
NACRES:
NB.22
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產品線

BioReagent

品質等級

200

化驗

≥99.0%

expl. lim.

9.08 %

技術

electrophoresis: suitable

折射率

n20/D 1.4179 (lit.)

bp

120-122 °C (lit.)

mp

−55 °C (lit.)

密度

0.775 g/mL at 20 °C (lit.)

適合性

suitable for electrophoresis

SMILES 字串

CN(C)CCN(C)C

InChI

1S/C6H16N2/c1-7(2)5-6-8(3)4/h5-6H2,1-4H3

InChI 密鑰

KWYHDKDOAIKMQN-UHFFFAOYSA-N

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一般說明

TEMED (N,N,N′,N′-四甲基乙二胺) 是一种可实现聚丙烯酰胺凝胶快速聚合的分子。在过硫酸铵存在下，TEMED负责从过硫酸盐中形成自由基，从而引发丙烯酰胺的聚合过程。然而，过高的TEMED浓度可能会导致不正常的分离模式。[1]

應用

TEMED (N,N,N′,N′-四甲基乙二胺) 已用于制备丙烯酰胺水凝胶和十二烷基硫酸钠-聚丙烯酰胺凝胶。[2][3][4]

注意

在惰性气体下处理和储存，易受空气和水分影响。

分析報告

经测试可用作 PAGE 的催化剂。

訊號詞

Danger

危險分類

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

儲存類別代碼

3 - Flammable liquids

水污染物質分類（WGK）

WGK 1

閃點（°F）

61.7 °F - closed cup

閃點（°C）

16.5 °C - closed cup

個人防護裝備

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

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分析證明 (COA)

Lot/Batch Number
BCCM4811
BCCK9606
BCCJ4941
WXBD6791V
BCCG7495

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Analytical Techniques in Immunochemistry (1991)
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Liao IC et al.
Advances in Functional Materials, 23, 5833-5833 (2013)
Kiyohito Shimura
Electrophoresis, 30(1), 11-28 (2008-12-25)
The methodological advancements in CIEF in tubes and microchips during the period between 2002 and early 2008 are reviewed as a continuation of previous review by the same author (Electrophoresis 2002, 23, 3847-3857). After a brief introduction, the following topics
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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

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    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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