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400068

Sigma-Aldrich

Tetrafluoroboric acid diethyl ether complex

Synonym(s):

Fluoroboric acid diethyl ether complex

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About This Item

Linear Formula:
HBF4 · O(CH2CH3)2
CAS Number:
67969-82-8
Molecular Weight:
161.93
EC Number:
267-983-8
MDL number:
MFCD00085352
UNSPSC Code:
12352301
PubChem Substance ID:
24864866
NACRES:
NA.22
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Assay

51-57%

Quality Level

100

form

liquid

density

1.19 g/mL at 20 °C (lit.)
1.18 g/mL at 25 °C

functional group

ether

storage temp.

2-8°C

SMILES string

[F.FB(F)F.CCOCC]
F.FB(F)F.CCOCC

InChI

[1S/C4H10O.BF3.FH/c1-3-5-4-2;2-1(3)4;/h3-4H2,1-2H3;;1H]
1S/C4H10O.BF3.FH/c1-3-5-4-2;2-1(3)4;/h3-4H2,1-2H3;;1H

InChI key

[XFHGDBFMJCLEOW-UHFFFAOYSA-N]
XFHGDBFMJCLEOW-UHFFFAOYSA-N

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Application

Tetrafluoroboric acid diethyl ether complex can be used to facilitate phosphine-borane decomplexation from bisphosphine-borane complexes for the preparation of bisphosphine ligands.[1] It can also act as ligands to synthesize with transition-metal complexes.[2][3]

Pictograms

FlameCorrosion
GHS02,GHS05

Signal Word

Danger

Hazard Statements

H261,H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B - Water-react 2

Supplementary Hazards

EUH014

Storage Class Code

4.3 - Hazardous materials which set free flammable gases upon contact with water

WGK

WGK 1

Flash Point(F)

264.2 °F - closed cup

Flash Point(C)

129 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000325035
0000325035
MKCT0959
MKCV2639
MKCT6309

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An efficient procedure for the synthesis of C-chiral bisphosphines.
McKinstry L, et al.
Tetrahedron, 51(28), 7655-7666 (1995)
Chelated ? 5-cyclopentadienyl-?-ethyl complexes of molybdenum and tungsten; molecular structure of W (? 5-C 5 H 4 CH 2-?-CH 2)(CO) 3.
Amor F, et al.
Journal of Organometallic Chemistry, 604(1), 126-131 (2000)
Dynamic behavior of dicobalt hexacarbonyl propargyl cations and their reactions with chiral nucleophiles.
Schreiber S, et al.
Journal of the American Chemical Society, 109(19), 5749-5759 (1987)

Questions

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  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

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  3. is this stored under inert gas?

    1 answer

    1. This product is not stored under inert gas. This product may be stored at room temperature. For products with no specified storage temperature given on the label or product page, ambient storage may be assumed. Products that require controlled temperature storage, such as refrigeration or freezer conditions, storage temperatures are published on the product label, Certificate of Analysis, the Safety Data Sheet (SDS).

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