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Merck

B17905

Sigma-Aldrich

Benzyl bromide

Benzyl bromide
1 of 1 reviewers received a sample product or took part in a promotion

reagent grade, 98%

Synonim(y):

α-Bromotoluene

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25 G
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100 G
203,00 zł
500 G
550,00 zł

About This Item

Wzór liniowy:
C6H5CH2Br
Numer CAS:
Masa cząsteczkowa:
171.03
Beilstein:
385801
Numer WE:
Numer MDL:
Kod UNSPSC:
12352100
Identyfikator substancji w PubChem:
NACRES:
NA.22

63,90 zł


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klasa czystości

reagent grade

Poziom jakości

gęstość pary

5.8 (vs air)

Próba

98%

Formularz

liquid

zanieczyszczenia

≤0.5% p-bromotoluene

współczynnik refrakcji

n20/D 1.575 (lit.)

bp

198-199 °C (lit.)

mp

−3-−1 °C (lit.)

gęstość

1.438 g/mL at 25 °C (lit.)

ciąg SMILES

BrCc1ccccc1

InChI

1S/C7H7Br/c8-6-7-4-2-1-3-5-7/h1-5H,6H2

Klucz InChI

AGEZXYOZHKGVCM-UHFFFAOYSA-N

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Opis ogólny

Benzyl bromide is an aromatic halide that is mainly used as a protecting agent for protecting hydroxy group of alcohols via O-benzylation reaction.[1]

Zastosowanie

Benzyl bromide has been used as an initiator in the synthesis of poly(styrene-b-methylmethacrylate) copolymers by atom transfer radical polymerization.[2] It can undergo Menschutkin reaction with 1, 2-dimethylimidazole to form 3-benzyl-1, 2-dimethylimidazolium bromide.[3]
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Piktogramy

Exclamation mark

Hasło ostrzegawcze

Warning

Zwroty wskazujące rodzaj zagrożenia

Zwroty wskazujące środki ostrożności

Klasyfikacja zagrożeń

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organy docelowe

Respiratory system

Kod klasy składowania

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

Klasa zagrożenia wodnego (WGK)

WGK 2

Temperatura zapłonu (°F)

186.8 °F - closed cup

Temperatura zapłonu (°C)

86 °C - closed cup

Środki ochrony indywidualnej

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


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Masz już ten produkt?

Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.

Odwiedź Bibliotekę dokumentów

Vanderlisa Rita Meleti et al.
Acta tropica, 202, 105248-105248 (2019-11-05)
This paper reports the synthesis of (±)-licarin A 1, a dihydrobenzofuran neolignan, resultant of an oxidative coupling reaction of isoeugenol and horseradish peroxidase (HRP) enzyme. Following, three semi-synthetic derivatives from this compound were obtained: benzylated (±)-licarin A 2, methylated (±)-licarin
A novel acid-catalyzed O-benzylating reagent with the smallest unit of imidate structure.
Yamada K
Organic Letters, 14(19), 5026-5029 (2012)
Wing-Yiu Yu et al.
Organic letters, 11(2), 469-472 (2008-12-23)
A Pd-catalyzed cross-coupling reaction of benzyl bromides with alpha-aryldiazoesters is described, and E-alpha,beta-diarylacrylates were obtained in good yields and excellent E-to-Z selectivity (>20:1).
Ke Gao et al.
The Journal of organic chemistry, 72(22), 8611-8613 (2007-10-09)
A multicomponent one-pot reaction of 2-alkynylbenzaldehydes, amines, zinc, and allylic bromide or benzyl bromide using the combination of Mg(ClO4)2/Cu(OTf)2 as catalyst in THF/DCE (1:20) is described, which provides an efficient and practical route for the synthesis of functionalized 1,2-dihydroisoquinolines.
Giuseppe Belletti et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 26(4), 839-844 (2019-10-31)
Viedma ripening is a deracemization process that has been used to deracemize a range of chiral molecules. The method has two major requirements: the compound needs to crystallize as a conglomerate and it needs to be racemizable under the crystallization

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

      Helpful?

Reviews

1 of 1 reviewers received a sample product or took part in a promotion

Active Filters

  1. Leiden, the Netherlands
    • Reviews 2
    • Votes 16
    2 out of 5 stars.

    Product needs purification before use

    Product came in fuming and with a very low pH, indicating that there was still HBr present. Had to purify the product over column before I could use it.

    Helpful?

    1. Response from MilliporeSigma:

      Thank you for taking the time to leave a review! We are sorry to hear that your experience did meet expectations. We would like to learn more about your experience to see if there is anything we can do to help correct the issue. When you have a moment, please contact us by visiting https://www.sigmaaldrich.com/support/customer-support and submit a Product Technical Inquiry. We look forward to hearing from you soon!

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