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重要文件

13103

Sigma-Aldrich

ribbon, ≥99.0% Mg basis

同義詞:

镁元素

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About This Item

經驗公式(希爾表示法):
Mg
CAS號碼:
分子量::
24.31
Beilstein:
4948473
EC號碼:
MDL號碼:
分類程式碼代碼:
12352300
PubChem物質ID:
NACRES:
NA.22
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蒸汽壓力

1 mmHg ( 621 °C)

化驗

≥99.0% Mg basis

形狀

ribbon

自燃溫度

950 °F

反應適用性

reagent type: reductant

電阻係數

4.46 μΩ-cm, 20°C

尺寸

~3 mm × 0.2 mm

雜質

≤0.05% insoluble in HCl

bp

1090 °C (lit.)

mp

648 °C (lit.)

密度

1.74 g/mL at 25 °C (lit.)

正離子痕跡

Cu: ≤50 mg/kg
Fe: ≤200 mg/kg
Pb: ≤100 mg/kg

SMILES 字串

[Mg]

InChI

1S/Mg

InChI 密鑰

FYYHWMGAXLPEAU-UHFFFAOYSA-N

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應用

镁条可用于制备格氏试剂以合成多种反应中间体。[1]

象形圖

Flame

訊號詞

Danger

危險聲明

危險分類

Flam. Sol. 1 - Water-react 1

儲存類別代碼

4.3 - Hazardous materials which set free flammable gases upon contact with water

水污染物質分類(WGK)

nwg

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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分析證明 (COA)

Lot/Batch Number

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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

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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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