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Principaux documents

417130

Sigma-Aldrich

Benzene-1,4-diboronic acid

≥95.0%

Synonyme(s) :

p-Phenylenediboronic acid, 1,4-Phenylenebisboronic acid, 1,4-Phenylenediboronic acid, p-Benzenediboronic acid, Benzene-1,4-diboronic acid, NSC 25410

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About This Item

Formule linéaire :
C6H4[B(OH)2]2
Numéro CAS:
Poids moléculaire :
165.75
Beilstein:
2836921
Numéro MDL:
Code UNSPSC :
12352103
ID de substance PubChem :
Nomenclature NACRES :
NA.22
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Essai

≥95.0%

Forme

powder

Pf

>350 °C (lit.)

Chaîne SMILES 

OB(O)c1ccc(cc1)B(O)O

InChI

1S/C6H8B2O4/c9-7(10)5-1-2-6(4-3-5)8(11)12/h1-4,9-12H

Clé InChI

BODYVHJTUHHINQ-UHFFFAOYSA-N

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Catégories apparentées

Application

Reagent used for
  • Externally initiated Kumada catalyst-transfer polycondensation[1]
  • Suzuki-Miyaura cross-coupling reactions[2]
  • Energy transfer processes in optoelectronic devices[3]
  • Palladium-catalyzed sequential alkenylation and conjugate addition reactions[4]
  • Scholl cyclizations[5]

Reagent used in Preparation of
  • Crosslinkers and cross-linked core-shell nanoparticles by RAFT polymerization and palladium-catalyzed Suzuki coupling reaction[6]
  • Fluorescence and solution-processable coordination polymers[7]
  • Cyclotricatechylene based porous crystalline material for gas storage[8]
  • Indolizine derivatives as OLEDs[2]
  • Helically p-stacked thiophene-based copolymers with circularly polarized fluorescence[9]
  • Novel organic semiconductors and applications in organic thin-film transistors[10]
  • Highly twisted polycyclic aromatic hydrocarbons with unexptected reactivity[5]

Autres remarques

Contains varying amounts of anhydride

Pictogrammes

Exclamation mark

Mention d'avertissement

Warning

Mentions de danger

Classification des risques

Acute Tox. 4 Oral

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves


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Les clients ont également consulté

Energy transfer from fluorene-based conjugated polyelectrolytes to on-chain and self-assembled porphyrin units
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Journal of Polymer Science, 50, 1408-1417 (2012)
Synthesis and Characterization of Novel Semiconductors Based on Thieno[3,2-b][1]benzothiophene Cores and Their Applications in the Organic Thin-Film Transistors
Chen, H.; et al.
The Journal of Physical Chemistry C, 115, 23984-23991 (2011)
Jin-Qing Ma et al.
Journal of hazardous materials, 371, 433-439 (2019-03-16)
High-performance capturing polar phenoxycarboxylic acids herbicides (PCAs) from water samples remains a great challenge because PCAs form salt easily and dissolve. Polyphenylene-based conjugated microporous polymers (PP-CMPs), a fascinating type of polymers, bear π-conjugation over 3D polyphenylene scaffolds, inherent micropore, and
Helically p-Stacked Thiophene-Based Copolymers with Circularly Polarized Fluorescence: High Dissymmetry Factors Enhanced by Self-Ordering in Chiral Nematic Liquid Crystal Phase
Watanabe, K.; et al.
Chemistry of Materials, 24, 1011-1024 (2012)
Constructing Regioregular Star Poly(3-hexylthiophene) via Externally Initiated Kumada Catalyst-Transfer Polycondensation
Yuan, M.; et al.
ACS Macro Letters, 1, 392-395 (2012)

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Professor Aran discusses engineering graphene-based materials through careful functionalization, enabling diverse applications.

Professor Aran discusses engineering graphene-based materials through careful functionalization, enabling diverse applications.

Professor Aran discusses engineering graphene-based materials through careful functionalization, enabling diverse applications.

Professor Aran discusses engineering graphene-based materials through careful functionalization, enabling diverse applications.

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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