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434280

Sigma-Aldrich

Boron trifluoride tetrahydrofuran complex

Boron trifluoride tetrahydrofuran complex

contains >0.5% sulfur dioxide as peroxide formation suppressor

Synonym(s):

BF3·THF, Boron trifluoride THF complex

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About This Item

Linear Formula:
BF3 · THF
CAS Number:
Molecular Weight:
139.91
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.22
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form

liquid

contains

>0.5% sulfur dioxide as peroxide formation suppressor

reaction suitability

core: boron
reagent type: Lewis acid
reagent type: catalyst

bp

180 °C (lit.)

mp

11-13 °C (lit.)

density

1.268 g/mL at 25 °C (lit.)

functional group

ether

SMILES string

FB(F)F.C1CCOC1

InChI

1S/C4H8BF3O/c6-5(7,8)9-3-1-2-4-9/h1-4H2

InChI key

XYMZNNGTHKHCJH-UHFFFAOYSA-N

Application

Reactant or reagent involved in:
  • Deoxofluorination of alcohols and carbonyls
  • Synthesis of methacrylate-PEG-methacrylate-boron trifluoride self-doped gel polymer electrolytes
  • Hydroboration-oxidation of divinylferrocene

Reagent involved in the synthesis of biologically active molecules such as:
  • NK1 receptor antagonists
  • Complex polyketide natural products
  • Selective serotonin reuptake inhibitors
Used extensively as a polymerization initiator.[1][2]

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - STOT RE 1 Inhalation

Target Organs

Kidney

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

189.5 °F - closed cup

Flash Point(C)

87.5 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

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Macromolecules, 28, 3002-3002 (1995)
Vysokomol. Soedin., Ser. A Ser. B, 37, 554-554 (1995)

Questions

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  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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