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61626

Sigma-Aldrich

Boron trifluoride methanol complex solution

13-15% BF3 basis

Synonym(s):

BF3MeOH, Boron fluoride methanol, Boron trifluoride methanol, Boron trifluoride-methanol Complex

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About This Item

Linear Formula:
BF3 · 2CH3OH
CAS Number:
2802-68-8
Molecular Weight:
131.89
Beilstein:
3693581
MDL number:
MFCD00071635
UNSPSC Code:
12352104
PubChem Substance ID:
57651782
NACRES:
NA.22
Pricing and availability is not currently available.

Quality Level

100

reaction suitability

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

concentration

12.5-15.5% boron trifluoride

density

0.859 g/mL at 25 °C

functional group

hydroxyl

SMILES string

CO.FB(F)F

InChI

1S/CH4O.BF3/c1-2;2-1(3)4/h2H,1H3;

InChI key

JBXYCUKPDAAYAS-UHFFFAOYSA-N

Related Categories

General description

BF3-MeOH solution is a Lewis acid-base complex used as a versatile reagent and catalyst in organic synthesis.[1][2]

Application

Boron trifluoride-methanol complex solution can be used for the deprotection of acetylated amines of cyanine dyes to form products with free amino groups.[1] It may be used for the conversion of sulfur-containing phosphoramidates to the corresponding phosphate methyl ester.[2]

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A - STOT RE 2 Inhalation - STOT SE 1

Target Organs

Eyes,Central nervous system, Kidney

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

60.8 °F - closed cup

Flash Point(C)

16 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SHBQ9118
SHBQ4770
SHBQ4769
SHBQ2273
SHBQ2268

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Methanolysis of phosphoramidates with boron trifluoride-methanol complex.
Ryu S
The Journal of Organic Chemistry, 56(16), 4999-5002 (1991)
Boron trifluoride?methanol complex?mild and powerful reagent for deprotection of labile acetylated amines.
Miltsov S
Tetrahedron Letters, 44(11), 2301-2303 (2003)
C Hue-Beauvais et al.
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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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