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Merck

357480

Sigma-Aldrich

2-甲氧基乙氧基甲基氯

technical grade

别名:

β-甲氧基乙氧基甲基氯, 甲氧基乙氧基氯甲烷

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5 G
$113.00
25 G
$284.00

$113.00


预计发货时间2025年4月30日详情


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5 G
$113.00
25 G
$284.00

About This Item

线性分子式:
CH3OCH2CH2OCH2Cl
CAS号:
分子量:
124.57
Beilstein:
1900576
MDL编号:
UNSPSC代码:
12352101
PubChem化学物质编号:
NACRES:
NA.22

$113.00


预计发货时间2025年4月30日详情


获取大包装报价

等级

technical grade

质量水平

表单

liquid

折射率

n20/D 1.427 (lit.)

沸点

50-52 °C/13 mmHg (lit.)

密度

1.091 g/mL at 25 °C (lit.)

官能团

chloro
ether

储存温度

2-8°C

SMILES字符串

COCCOCCl

InChI

1S/C4H9ClO2/c1-6-2-3-7-4-5/h2-4H2,1H3

InChI key

BIAAQBNMRITRDV-UHFFFAOYSA-N

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应用

羟基保护试剂。MEM 醚在各种反应条件下均可保持稳定,并且当多种羟基保护基团存在时,在非质子条件下可发生选择性裂解。[1][2]

警示用语:

Danger

危险分类

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Carc. 1A - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

3 - Flammable liquids

WGK

WGK 3

闪点(°F)

129.2 °F - closed cup

闪点(°C)

54 °C - closed cup

个人防护装备

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


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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The Journal of Organic Chemistry, 59, 1011-1011 (1994)
Synthesis of oligoribonucleotides using the methoxyethoxymethyl group as the protecting groups of the base residues and the hydroxyl functions.
T Ito et al.
Nucleic acids symposium series, (15)(15), 89-92 (1984-01-01)
Protection of uracil residue with methoxyethoxymethyl group.
T Ito et al.
Nucleic acids symposium series, (12)(12), 51-54 (1983-01-01)
Greene, T.W. Wuts, P.G.M.
Protective Groups in Organic Synthesis (1991)

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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