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357480

Sigma-Aldrich

2-Methoxyethoxymethyl chloride

technical grade

Sinonimo/i:

β-Methoxyethoxymethyl chloride, MEM-chloride

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5 G
CHF 62.20
25 G
CHF 176.00

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5 G
CHF 62.20
25 G
CHF 176.00

About This Item

Formula condensata:
CH3OCH2CH2OCH2Cl
Numero CAS:
3970-21-6
Peso molecolare:
124.57
Beilstein:
1900576
Numero MDL:
MFCD00000888
Codice UNSPSC:
12352101
ID PubChem:
24861920
NACRES:
NA.22

CHF 62.20

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Grado

technical grade

Stato

liquid

Indice di rifrazione

n20/D 1.427 (lit.)

P. ebollizione

50-52 °C/13 mmHg (lit.)

Densità

1.091 g/mL at 25 °C (lit.)

Gruppo funzionale

chloro
ether

Temperatura di conservazione

2-8°C

Stringa SMILE

COCCOCCl

InChI

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

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Categorie correlate

Applicazioni

OH-protecting reagent. MEM ethers are stable to a variety of reaction conditions and are selectively cleaved under aprotic conditions in the presence of a wide rangeof OH-protected moieties.[1][2]

Avvertenze

Danger

Indicazioni di pericolo

H226,H302,H315,H319,H331,H335,H350

Classi di pericolo

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

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

129.2 °F - closed cup

Punto d’infiammabilità (°C)

54 °C - closed cup

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
BCCM3224
BCCH4596
BCCG1365
BCCD8899
BCCC1587

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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)
The Journal of Organic Chemistry, 59, 1011-1011 (1994)
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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