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重要文件

650560

Sigma-Aldrich

丁基甲基醚

HPLC Plus, for HPLC, GC, and residue analysis, 99.9%

同義詞:

MTBE, 甲基叔丁基醚

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About This Item

線性公式:
(CH3)3COCH3
CAS號碼:
分子量::
88.15
Beilstein:
1730942
EC號碼:
MDL號碼:
分類程式碼代碼:
12190000
PubChem物質ID:
NACRES:
NA.07
bp:
55-56 °C (lit.)
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等級

HPLC Plus
for residue analysis

品質等級

蒸汽密度

3.1 (vs air)

蒸汽壓力

4.05 psi

化驗

99.9%

形狀

liquid

自燃溫度

705 °F

expl. lim.

15.1 %

技術

HPLC: suitable
gas chromatography (GC): suitable

雜質

≤0.02% water
<1.0 ppb Fluorescence (quinine) at 365 nm

蒸發殘留物

≤0.0001%

鹵化殘基

≤10 ng/L (as heptachlor epoxide)

折射率

n20/D 1.369 (lit.)

bp

55-56 °C (lit.)

mp

-110 °C

密度

0.74 g/mL at 25 °C (lit.)

&lambda ;

H2O reference

紫外吸收

λ: 210 nm Amax: 1.0
λ: 225 nm Amax: 0.50
λ: 250 nm Amax: 0.10
λ: 300-400 nm Amax: 0.005

適合性

suitable for residue analysis

應用

PFAS testing
food and beverages

SMILES 字串

COC(C)(C)C

InChI

1S/C5H12O/c1-5(2,3)6-4/h1-4H3

InChI 密鑰

BZLVMXJERCGZMT-UHFFFAOYSA-N

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一般說明

叔丁基甲基醚是一种汽油添加剂。测试了其通过丙烷氧化细菌菌株进行的氧化降解。[1]在多个pH、温度、氧化剂浓度和离子强度水平下研究了其热辅助过硫酸盐氧化的动力学。其生物降解符合准一级衰变模型,对其准一级速率常数进行了评估。[2]MTBE可通过甲醇和异丁烯之间的酸催化反应合成。[3]研究表明,MTBE的加入增加了丙烯聚合过程中停流法测得的活性位点数。[4]

應用

适用于HPLC、分光光度法、环境检测

包裝

M-Bottle for Solvents
As a global leader in lab reagents, we are constantly looking for new ways to optimize the safety of our products. The newly developed 4L solvent bottle design features advanced sealing technology that eliminates leaks to make the handling of solvents safer and more convenient than ever before.
See all the new features here!

其他說明

Pure-Pac® II容器需要Micromatic MacroValve耦合器(Z560723)来分配溶剂。

推薦產品

探索最适于 HPLCLC-MS 分析的 LiChropur 试剂

法律資訊

Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany

象形圖

FlameExclamation mark

訊號詞

Danger

危險聲明

危險分類

Flam. Liq. 2 - Skin Irrit. 2

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

-18.4 °F - closed cup

閃點(°C)

-28 °C - closed cup


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分析證明 (COA)

Lot/Batch Number

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Questions

1–2 of 2 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

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