Agent Name

Murexide

CAS Number

3051-09-0

Formula

C8-H5-N5-O6.H3-N

Major Category

Dyes

Synonyms

Ammonium purpurate; Ammonium salt purpuric acid; 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-((hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino)-, ammonium salt (1:1); 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-((hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino)-, monoammonium salt; Ammonium 5-(2,4,6-trioxoperhydropyrimidin-5-ylideneamino)barbiturate; Barbituric acid, 5,5'-nitrilodi-, monoammonium salt (VAN) (8CI); [ChemIDplus] 5-[(Hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino]-2,4,6(1H,3H,5H)-pyrimidinetrione monoammonium salt; 5,5'-Nitrilodibarbituric acid monoammonium salt; Acid ammonium purpurate; [Merck Index]

Category

Indicator Dyes

Description

Purple-red solid with a green metallic luster; [Merck Index] Dark red powder; [Sigma-Aldrich MSDS]

Sources/Uses

Used as an indicator (complexometric titrations); [Merck Index]

Comments

May cause irritation; [Sigma-Aldrich MSDS]

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