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345113

Di-n-butylmagnesium solution

1.0 M in heptane

Synonim(y):

Bis-n-butylmagnesium, Dibutylmagnesium

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Rozmiar/SKUDostępnośćCena netto
100 mL
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616,00 zł
800 mL
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1310,00 zł

Informacje o tej pozycji

Wzór liniowy:
[CH3(CH2)3]2Mg
Numer CAS:
Masa cząsteczkowa:
138.53
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
3535184
UNSPSC Code:
12352103

616,00 zł


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Quality Segment

reaction suitability

reaction type: Grignard Reaction

packaging

Sure/Seal™ of

concentration

1.0 M in heptane

density

0.713 g/mL at 25 °C

SMILES string

CCCC[Mg]CCCC

InChI

1S/2C4H9.Mg/c2*1-3-4-2;/h2*1,3-4H2,2H3;

InChI key

ODHFJIDDBSDWNU-UHFFFAOYSA-N

General description

Di-n-butylmagnesium solution is a useful reagent for the synthesis of organomagnesium compounds.

Application

Di-n-butylmagnesium solution can be used as a reagent for the deprotection of aromatic and aliphatic benzyl thioethers to synthesize corresponding benzylthiols in the presence of titanocene dichloride. It can also be used as a catalyst to synthesize enantioenriched nitrogen-containing heterocyclic derivatives by the asymmetric ring-opening reaction of aziridines with substituted tetrazoles in the presence of chiral ligand.

Other Notes

  • Contains up to 1 Wt% Triethylaluminum as a Viscosity Reducer
  • This material can vary from light to very dark in appearance. These differences in color will have no effect on use.
  • May contain up to 3% THF

Legal Information

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC
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Ta pozycja
224375364649224421
description

1.0 M in heptane

description

2.0 M in diethyl ether

description

1.0 M in THF

description

2.0 M in diethyl ether

reaction suitability

reaction type: Grignard Reaction

reaction suitability

reaction type: Grignard Reaction

reaction suitability

reaction type: Grignard Reaction

reaction suitability

reaction type: Grignard Reaction

concentration

1.0 M in heptane

concentration

2.0 M in diethyl ether

concentration

1.0 M in THF

concentration

2.0 M in diethyl ether

Quality Level

100

Quality Level

100

Quality Level

200

Quality Level

100

density

0.713 g/mL at 25 °C

density

0.828 g/mL at 25 °C

density

0.931 g/mL at 25 °C

density

0.828 g/mL at 25 °C

packaging

Sure/Seal™ of

packaging

Sure/Seal™ of

packaging

Sure/Seal™ of

packaging

Sure/Seal™ of


Słowo ostrzegawcze

Danger

Narządy docelowe

Central nervous system

supp_hazards

Klasa składowania

4.2 - Pyrophoric and self-heating hazardous materials

Co się dzieje?

WGK 2

Temperatura zapłonu (°F)

21.2 °F - closed cup

Temperatura zapłonu (°C)

-6 °C - closed cup

PPE (środki ochrony indywidualnej)

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

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Pyr. Liq. 1 - Skin Corr. 1B - STOT SE 3 - Water-react. 1



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Certyfikaty analizy (CoA)

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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/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  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

      Helpful?

Reviews

1–2 of 2 Reviews  

Active Filters

  1. Antarctica
    • Review 1
    • Votes 18
    1 out of 5 stars.

    Terrible product - consistently contaminated with THF

    Contains THF, should be advertised as Mg(nBu)2(THF)2 for clarity.

    Helpful?

    1. Response from Merck KGaA:

      Thank you for your review. We are sorry to hear that your experience did not match your product expectations.

      Based on the Certificate of Analysis, this product "may contain up to 3% THF based on information from the vendor/QC". Please refer to the sample COA in the Documentation section: https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/345113-BULKSHBQ7951.pdf

      We encourage customers who experience problems with our products to call or email us for additional technical support. Please visit https://www.sigmaaldrich.com/US/en/support/customer-support to submit a Product Technical Inquiry.

  2. USA
    • Review 1
    • Votes 0
    1 out of 5 stars.

    Contains THF

    The compound is indeed a THF adduct of dibutyl magnesium. Disappointing. Be careful purchasing this product

    Helpful?