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1198-64-7

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  • 2,4,5,6-tetrafluoro-1,3-phenylenediamine;1,3-DIAMINO-2,4,5,6-TETRAFLUOROBENZENE;2,3,5,6-tetrafluoro-4-benzenediamine;N1,N1,N2,N2-tetrafluorobenzene-1,2-diamine;BUTTPARK 45\01-32;DTFB;

    Cas No: 1198-64-7

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1198-64-7 Usage

Uses

2,3,5,6-Tetrafluoro-1,4-phenylenediamine is a polyimide used in the preparation of high-performance transparent polyimide films.

Check Digit Verification of cas no

The CAS Registry Mumber 1198-64-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,9 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1198-64:
(6*1)+(5*1)+(4*9)+(3*8)+(2*6)+(1*4)=87
87 % 10 = 7
So 1198-64-7 is a valid CAS Registry Number.
InChI:InChI=1/C6H4F4N2/c7-1-2(8)6(12)4(10)3(9)5(1)11/h11-12H2

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  • TCI America

  • (T1110)  2,3,5,6-Tetrafluoro-1,4-phenylenediamine  >98.0%(GC)(T)

  • 1198-64-7

  • 1g

  • 2,350.00CNY

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1198-64-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,3,5,6-tetrafluorobenzene-1,4-diamine

1.2 Other means of identification

Product number -
Other names 2,3,5,6-tetrafluoro-1,4-diaminobenzene

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:1198-64-7 SDS

1198-64-7Relevant articles and documents

Amino- and hydrodefluorination of polyfluoroaromatic amines with aqueous ammonia in a steel autoclave. Synthesis of highly pure tetrafluorophenylenediamines

Kusov,Rodionov,Vaganova,Shundrina,Malykhin

experimental part, p. 823 - 827 (2010/08/08)

The action of aqueous ammonia on liexafhiorobenzene in a steel autoclave at 180-220 °C yields a mixture of isomeric tet rafluorophenylenediamines and 2,4,5-trifhioroplienylene-1,3-diamine. The content of the hydrodefluorination product significantly depends on the reaction temperature and time. Tetrafluorophenylene-1,3-diamine undergoes hydrodefluorination with aqueous ammonia in a steel autoclave at 200 °C to give 2,4,5-trifluorophenylene-1,3- diamine; when the additives of NH4F and/or FeCl3 are present, 2,5-difluorophenylene-1,3-diamine is additionally formed. The hydrodefluorination products are not formed during bis-aminodefluorination of hexafluorobenzene with aqueous ammonia in a glass reactor or with anhydrous ammonia (in a mixture with aprotic solvent) in a steel autoclave.

Catalytic and noncatalytic ammonolysis of chloropentafluorobenzene

Selivanova,Pokrovskii,Shteingarts

, p. 404 - 409 (2007/10/03)

Ammonolysis of chloropentafluorobenzene both in the presence and in the absence of copper(I) salt results mainly in replacement of the para-and ortho-fluorine atoms with respect to chlorine rather than replacement of the chlorine atom. Ammonolysis of 4-chloro-2,3,5,6-tetrafluoroaniline and 2-chloro-3,4,5,6-tetrafluoroaniline in the absence of copper(I) salt yields exclusively the corresponding fluorine substitution products, whereas in the presence of copper(I) salt the chlorine atom is replaced. Successive ammonolysis of chloropentafluorobenzene in the presence of copper catalyst along these two paths was put into the basis of a new method for preparation of 2,3,5,6-tetrafluoro-1,4-phenylenediamine. * This study was financially supported by the Russian Foundation for Basic Research (project no. 99-03-33111), by the Ministry of Science and Technology of the Russian Federation (project no 9.3.01), and by the Ministry of Education of the Russian Federation (project no. 015.05.01.13).

Polyhalogenonitrobenzenes and derived compounds: Part 5. Improved preparations of 1,2,3,4-tetrafluoro-5,6-dinitrobenzene and 3,4,5,6-tetrafluoro-1,2-phenylenediamine, and the use of the latter for the synthesis of tetrafluorobenzheterocycles

Heaton, Alan,Hill, Mark,Drakesmith, Frederick

, p. 133 - 138 (2007/10/03)

The preparation of 2,3,4,5-tetrafluoro-6-nitroaniline (3) by amination of pentafluoronitrobenzene has been speeded up, scaled up and the yield increased by controlling the reaction by TLC monitoring and using 'dry column' chromatography. Compound (3) was readily converted to 1,2,3,4-tetrafluoro-5,6-dinitrobenzene (2) by peroxytrifluoroacetic acid and to 3,4,5,6-tetrafluoro-1,2-phenylenediamine (1) by SnCl2/HCl, Compound (1) was shown to be a versatile intermediate for the synthesis of tetrafluoro-benzimidazoles, -triazoles and -quinoxalines. The fungicidal activity of the latter are reported here.

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