13-08267. Rhodanilic Acid [Archived]

Nomenclature

CAS number: 1332-53-2
Hydrogen bis(benzenamine-N)tetrakis(thiocyanato-N)chromate(1).
C16H15CrN6S4; mol wt 471.59.
C 40.75%, H 3.21%, Cr 11.03%, N 17.82%, S 27.20%.
[Cr(SCN)4(C6H5NH2)2]H.

Description and references

Prepared from chrome alum, potassium thiocyanate and aniline: Bergmann, J. Biol. Chem. 110, 471 (1935).

Derivative

Ammonium salt sesquihydrate.

Nomenclature

Ammonium rhodanilate.
C16H18CrN7S4.1H2O; mol wt 497.62.
C 38.62%, H 3.85%, Cr 10.45%, N 19.70%, S 25.77%, O 1.61%.

Properties

Rose-colored platelets. Sol in methanol.

Use

In the separation of amino acids, cf. Reinecke Salt.

Status

This monograph has been retired and is no longer subject to revision or update.