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230553

Sigma-Aldrich

乙醇钠 溶液

21 wt. % in ethanol

同義詞:

乙氧钠

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About This Item

線性公式:
CH3CH2ONa
CAS號碼:
分子量::
68.05
Beilstein:
3593646
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.21
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等級

for analytical purposes

品質等級

形狀

liquid

濃度

21 wt. % in ethanol

折射率

n20/D 1.385

密度

0.868 g/mL at 25 °C

SMILES 字串

[Na+].CC[O-]

InChI

1S/C2H5O.Na/c1-2-3;/h2H2,1H3;/q-1;+1

InChI 密鑰

QDRKDTQENPPHOJ-UHFFFAOYSA-N

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相關類別

一般說明

乙醇钠是一种烷氧基盐,主要作为强碱用于脱质子化、脱水和脱卤等有机反应。[1]

訊號詞

Danger

危險分類

Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 2 - Self-heat. 1 - Skin Corr. 1A - STOT SE 2

標靶器官

Eyes,Central nervous system

安全危害

儲存類別代碼

4.2 - Pyrophoric and self-heating hazardous materials

水污染物質分類(WGK)

WGK 1

閃點(°F)

48.2 °F - closed cup

閃點(°C)

9 °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)

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Sodium Ethoxide
Whitaker KS and Whitaker DT
e-EROS Encyclopedia of Reagents for Organic Synthesis. (2001)
Franklin R Tay et al.
Journal of endodontics, 31(8), 593-598 (2005-07-27)
Polycaprolactone, a thermoplastic aliphatic polyester, is reportedly susceptible to both alkaline and enzymatic hydrolyzes. This screening study examined the susceptibility of Resilon, a polycaprolactone-based root filling composite, to alkaline hydrolysis. There were 15-mm diameter disks of Resilon and Obtura gutta-percha
N C Luu et al.
Chemical research in toxicology, 13(7), 610-615 (2000-07-18)
Glutathione conjugate formation plays important roles in the detoxification and bioactivation of xenobiotics. A range of nephrotoxic haloalkenes undergo bioactivation that involves glutathione and cysteine S-conjugate formation. The cysteine S-conjugates thus formed may undergo cysteine conjugate beta-lyase-catalyzed biotransformation to form
Zhao Cai et al.
Applied immunohistochemistry & molecular morphology : AIMM, 13(3), 292-294 (2005-08-06)
The authors describe a simple and cost-effective method of immunostaining semithin epoxy resin sections of peripheral nerve for light microscopy with antibodies to myelin protein zero, peripheral myelin protein 22, myelin basic protein, and neurofilament protein 200 using a combined
E D Clarkson et al.
Clinical chemistry, 44(2), 287-292 (1998-02-25)
A sensitive method is described to detect isolysergic acid diethylamide (iso-LSD) in urine. The compound was extracted from urine and converted to a C-8 carbanion by sodium ethoxide in ethanol. Protonation of the carbanion by water selectively produced LSD. The

Questions

1–3 of 3 Questions  
  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

      Helpful?

  3. Hi! What is the density of the solution?

    1 answer
    1. The density of the solution is 0.868 g/mL at 25 °C as specified in the "Properties" section of the product page.

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