222461

Murexide

ACS reagent

• Synonim(y): 5,5′-Nitrilodibarbituric acid monoammonium salt, Ammonium purpurate
• Wzór empiryczny (zapis Hilla): C₈H₈N₆O₆
• Numer CAS: 3051-09-0
• Masa cząsteczkowa: 284.19
• EC Number: 221-266-6
• UNSPSC Code: 12171500
• NACRES: NA.47
• PubChem Substance ID: 24853333
• MDL number: MFCD00012777
• Colour Index Number: 56085
• Beilstein/REAXYS Number: 3831445

Właściwości

• grade: ACS reagent
• Quality Segment: 200
• form: powder
• technique(s): titration: suitable
• mp: >300 °C (lit.)
• λmax: 525 nm
• suitability: passes test for complexometric indicator
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: N.OC1=C(\N=C2\C(=O)NC(=O)NC2=O)C(=O)NC(=O)N1
• InChI: 1S/C8H5N5O6.H3N/c14-3-1(4(15)11-7(18)10-3)9-2-5(16)12-8(19)13-6(2)17;/h(H2,10,11,14,15,18)(H3,12,13,16,17,19);1H3
• InChI key: LJYRLGOJYKPILZ-UHFFFAOYSA-N

Opis

General description

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.

Application

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

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Informacja o środkach bezpieczeństwa

• Klasa składowania: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)