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CAS

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373-64-8

Difluoro(methyl)borane, also known as methyldifluoroborane or CH3BF2, is a colorless, volatile, and highly reactive chemical compound belonging to the class of organoboranes. It consists of a boron atom bonded to a methyl group (CH3) and two fluorine atoms. difluoro(methyl)borane is an important intermediate in the synthesis of various organoborane compounds and is used in organic synthesis, particularly in the formation of carbon-carbon bonds through the Suzuki-Miyaura cross-coupling reaction. Difluoro(methyl)borane is sensitive to air and moisture, and it is typically handled under an inert atmosphere to prevent decomposition. Its reactivity and stability make it a valuable yet challenging compound to work with in chemical research and industrial applications.

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  • 373-64-8 Structure

  • Basic information

    1. Product Name: difluoro(methyl)borane
    2. Synonyms: 373-64-8; Borane,difluoromethyl; Difluoro(methyl)borane
    3. CAS NO:373-64-8
    4. Molecular Formula: CH3BF2
    5. Molecular Weight: 63.8423
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 373-64-8.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: 0.819g/cm3
    6. Vapor Pressure: 10100mmHg at 25°C
    7. Refractive Index: 1.21
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: difluoro(methyl)borane(CAS DataBase Reference)
    11. NIST Chemistry Reference: difluoro(methyl)borane(373-64-8)
    12. EPA Substance Registry System: difluoro(methyl)borane(373-64-8)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 373-64-8(Hazardous Substances Data)

373-64-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 373-64-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,7 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 373-64:
(5*3)+(4*7)+(3*3)+(2*6)+(1*4)=68
68 % 10 = 8
So 373-64-8 is a valid CAS Registry Number.

373-64-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name difluoromethyl-Borane

1.2 Other means of identification

Product number -
Other names Difluoromethylborane

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:373-64-8 SDS

373-64-8Relevant articles and documents

Preparation, solution behavior, and solid-state structures of (1,3-R2C5H3)2UX2, where R Is CMe3 or SiMe3 and X is a one-electron ligand

Lukens Jr., Wayne W.

, p. 1235 - 1246 (2008/10/08)

High-yield preparations of the uranium metallocenes [1,3-(Me3Si)2C5H3] 2UCl2 (Cp″2UCl2) and [1,3-(Me3C)2C5H3] 2UCl2 (Cp?2UCl2) have been developed from the reaction of UCl4 and the corresponding magnesocenes Cp″2Mg and Cp?2Mg in diethyl ether. The chloride ligands can be exchanged with either Me3SiBr or Me3Sil to give the uranium metallocene bromides or iodides. The fluorides were prepared by the reaction of BF3·OEt2 with Cp″2U(NMe)2, Cp?2U-(OMe)2, or Cp?2UMe2. The crystal structures of Cp″2UCl2, Cp?2UCl2, Cp″2UMe2, Cp?2UF2, and dimeric (Cp″2UF2)2 are reported. The idealized symmetry of the monomers Cp″2UX2 and Cp?2UCl2 is C2v when X is F, Cl, or Br and C2 when X is I or Me; in the dimer, the idealized symmetry is Ci. This preference is rationalized by intramolecular and intermolecular steric effects. The solution ring conformations and intramolecular exchange processes have been studied by variable-temperature 1H NMR spectroscopy. In all cases, the low-temperature limiting spectra are consistent with the idealized symmetry observed in the solid state.

Gas-phase measurements of the kinetics of BF2(+)-induced polymerization of olefinic monomers

Forte, Leonard,Lien, Min H.,Hopkinson, Alan C.,Bohme, Diethard K.

, p. 1576 - 1583 (2007/10/02)

The initial steps in the BF2(+)-induced polymerization of the monomers of ethylene, propylene, cis-2-butene, isobutene, and styrene have been observed in the gas phase at room temperature using the Selected-Ion Flow Tube (SIFT) technique.Rate constants and product distributions have been determined for the initiation of the polymerization in each case.All five initiation reactions were found to be rapid (k >/= 5.0*10-10 cm3 molecule-1 s-1).The primary product ions that propagate polymerization have been identified and sequential addition reactions have been followed in all five systems.For ethylene the energetics of the initial steps have been followed using ab initio molecular orbital theory.Reaction of BF2+ with the vapours of water and benzene have also been characterized. Key words: ion-induced polymerization; alkenes; kinetics; gas phase ion chemistry

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