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1540-04-1

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1540-04-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1540-04-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,4 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1540-04:
(6*1)+(5*5)+(4*4)+(3*0)+(2*0)+(1*4)=51
51 % 10 = 1
So 1540-04-1 is a valid CAS Registry Number.

1540-04-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name triethoxy(1,1,1,3,3,3-hexafluoropropan-2-ylidene)-λ<sup>5</sup>-phosphane

1.2 Other means of identification

Product number -
Other names Phosphorane,triethoxy[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]

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:1540-04-1 SDS

1540-04-1Relevant articles and documents

New reactions of fluoroepoxides. Cleavage by trialkyl phosphites

Kadyrov, A. A.,Bargamov, G. G.,Rokhlin, E. M.

, p. 195 - 202 (1993)

Mono-, di- and tri-substituted fluorine-containing α-oxides have been shown to enter into reactions with trialkyl phosphites which proceed through cleavage of the C-C and C-O bonds in the epoxide ring.The trialkoxyphosphorus ylides II, V, VII and VIII were obtained from the epoxides I, IV, VII and XVI.Triethoxyfluorocarbonylfluorophosphorane (IIIb) has been isolated and characterized.Further conversions of IIIb have been studied and the formation of trialkoxyphosphorus ylides XXIV containing a fluorine atom in the position α to the phosphorus atom has been noted.It has been shown that when propylene oxide reacts with triethyl phosphite, vinyl ethers are obtained through the intermediate formation of tetrafluoroethylidenetriethoxyphosphorane (XX).

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