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1205-59-0 Usage

Synthesis Reference(s)

The Journal of Organic Chemistry, 45, p. 4522, 1980 DOI: 10.1021/jo01310a058

Check Digit Verification of cas no

The CAS Registry Mumber 1205-59-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,0 and 5 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1205-59:
50 % 10 = 0
So 1205-59-0 is a valid CAS Registry Number.



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


1.1 GHS Product identifier

Product name N,N-dimethyl-N'-(4-nitrophenyl)methanimidamide

1.2 Other means of identification

Product number -
Other names N2-p-nitrophenyl-N1,N1-dimethylformamidine

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:1205-59-0 SDS

1205-59-0Relevant articles and documents


, p. 546 (1979)

Change of the favored routes of EI MS fragmentation when proceeding from N1, N1-dimethyl-N2-arylformamidines to 1,1,3,3-tetraalkyl-2-arylguanidines: Substituent effects

Raczynska, Ewa D.,Makowski, Mariusz,Gal, Jean-Francois,Maria, Pierre-Charles

body text, p. 762 - 771 (2011/09/12)

Although series of N1, N1-dimethyl-N 2-arylformamidines and of 1,1,3,3-tetraalkyl-2-arylguanidines are structurally analogous and similar electron-ionization mass spectral fragmentationmay be expected, they display important differences in the favored routes of fragmentation andconsequently in substituent effectsonion abundances. In the caseof formamidines, the cyclizationelimination process (initiated by nucleophilic attack of the N-amino atom on the 2-position of the phenyl ring) and formation of the cyclic benzimidazolium [M-H]+ ions dominates, whereas the loss of the NR2 group ismore favored for guanidines. In order to gain information on the most probable structures of the principal fragments, quantum-chemical calculations were performed on a selected set. A good linear relation between log{I[M-H]+I [M]+?} and σR+ constants of substituent at para position in the phenyl ring occurs solely for formamidines (r = 0.989). In the case of guanidines, this relation is not significant (r = 0.659). A good linear relation is found between log{I[M-NMe2]+/I [M]+?} and σp+ constants (r = 0.993). Copyright

Amidines. Part 20. Rate of Reaction of N,N-Dialkylformamide Acetals with Substituted Anilines

Osek, Jerzy,Oszczapowicz, Janusz,Drzewinski, Witold

, p. 1961 - 1964 (2007/10/02)

Rate of reaction of seven N,N-dialkylformamide acetals R2N-CH(OR2)2 with a series of anilines substituted on the phenyl ring have been measured in benzene, methanol, chloroform, and tetrahydrofuran by use of a g.l.c. method.In each case studied reaction is irreversible and obeys a second-order kinetic equation.Reaction rates correlate with Hammett ? constants for substituents on the phenyl ring of the aniline molecule.On the basis of the kinetic data, the mechanism of reaction is discussed.

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