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650-52-2

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650-52-2 Usage

General Description

Bis(trifluoromethyl)chlorophosphine is a chemical compound with the formula ClP(CF3)2. It is a colorless liquid that is highly reactive and can pose health hazards. Bis(trifluoromethyl)chlorophosphine is used in organic synthesis, particularly in the preparation of phosphine ligands for catalysis. It is also utilized as a building block in the synthesis of pharmaceuticals and agrochemicals. Due to its high reactivity, care must be taken in handling and storing this compound to avoid potential safety risks.

Check Digit Verification of cas no

The CAS Registry Mumber 650-52-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,5 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 650-52:
(5*6)+(4*5)+(3*0)+(2*5)+(1*2)=62
62 % 10 = 2
So 650-52-2 is a valid CAS Registry Number.
InChI:InChI=1/C2ClF6P/c3-10(1(4,5)6)2(7,8)9

650-52-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name chloro-bis(trifluoromethyl)phosphane

1.2 Other means of identification

Product number -
Other names Bis(trifluoromethyl)chlorophosphine

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:650-52-2 SDS

650-52-2Relevant articles and documents

Mixed-valence derivatives of phosphorus sulfides. Two new isomeric thiophosphoryl-μ-thio-phosphines containing fluorine and trifluoromethyl substituents and a discussion of their exchange properties

Doty, Leon F.,Cavell, Ronald G.

, p. 2722 - 2729 (2007/10/14)

Two new mixed-valence phosphorus compounds F2P(S)SP(CF3)2 and (CF3)2P(S)SPF2 are formed by the reaction of the acids F2PS2H or (CF3)2PS2H with the aminophosphines (CF3)2PN(CH3)2 or F2PN(CH3)2, respectively. Temperature-dependent nmr spectroscopy demonstrates the presence of an exchange process which destroys P-P coupling at room temperature in (CF3)2P(S)SPF2 but not in F2P(S)SP(CF3)2. The directly bound substituents are not interchanged by the exchange process and phosphorus valence is maintained. Concentration-dependent nmr studies indicate an intermolecular process and a plausible bimolecular process is described which accounts for the exchange process in X2P(S)SPX2 (X = F, CF3) molecules. When combined, the two new mixed-valence compounds equilibrate to form the two known symmetrically substituted isomers F2P(S)SPF2 and (CF3)2P(S)SP(CF3)2 and the equilibrium mixture can also be approached from these compounds. Thermal stability trends indicate a lower stability for compounds containing the PF2 moiety. Chemical reaction with protic species occurs with cleavage at the PIII-S link to yield phosphines and the parent acid and with halogens to yield halogeno phosphines and thiophosphinates. The reactions with mercury yield dithiophosphinato complexes and diphosphines or their decomposition products. Alkaline hydrolysis of CF3 species proceeds to yield 2 mol of CF3H per CF3 phosphino group and 1 mol per thiophosphinato group.

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