Murexid, Sigma-Aldrich®

Lieferant: SIGMA-ALDRICH MICROSCOPY

Synonyme: Ammonium-5-(2,4,6-trioxoperhydropyrimidin-5-ylidenamino)barbituratAmmoniumpurpuratPurpursäure Ammoniumsalz

M-Clarity™ Qualitätsstufe = MQ200

222461-5GEA 53.9 EUR
222461-5G
Murexid, Sigma-Aldrich®
Murexid

Murexide is the ammonium salt of purpuric acid that appears as a slightly reddish-purple powder and is soluble in water. It is mainly used as an indicator for complexometric titrations to measure water hardness and as a colorant/pigment in the dye industry.


Murexide is used for the histochemical staining of calcium in the skeleton. It is suitable for staining the hemijaws for dental caries scoring.

Formel: C₈H₈N₆O₆
Molecular Weight: 284,19 g/mol
Schmelzpunkt: 300 °C
Lagertemperatur: Raumtemperatur
MDL: MFCD00012777
CAS-Nummer: 3051-09-0
EINECS: 221-266-6
Merck Index: 12,06386
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Spezifikation Testergebnisse

Appearance (colour) Red to Very Dark Red and Purple to Very Dark Purple and Red-Purple
Infrared spectrum Powder
Suitable for use as indicator for complexometric titrations Conforms to structure
Meets current ACS specification Application test

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