222461
Murexide
ACS reagent
Synonym(s):
5,5′-Nitrilodibarbituric acid monoammonium salt, Ammonium purpurate
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About This Item
Empirical Formula (Hill Notation):
C8H8N6O6
CAS Number:
Molecular Weight:
284.19
EC Number:
221-266-6
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Colour Index Number:
56085
Beilstein/REAXYS Number:
3831445
grade
ACS reagent
Quality Level
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
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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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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M Ghaedi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 83(1), 46-51 (2011-09-10)
In the first, Cadmium selenide Nanoparticle loaded on activated carbon (CdSe-NP-AC) has been synthesized and characterized by different techniques including XRD and SEM. Then, this new adsorbent successfully has been applied for the removal of muroxide (MO) from aqueous solution
F D Coffman et al.
Biochemistry, 27(16), 6179-6187 (1988-08-09)
An insulin hexamer containing one B10-bound Co(III) ion and one unoccupied B10 site has been synthesized. The properties of the monosubstituted hexamer show that occupancy of only one B10 site by Co3+ is sufficient to stabilize the hexameric form under
P C Pape et al.
The Journal of general physiology, 102(2), 295-332 (1993-08-01)
Cut fibers (striation spacing, 3.6-4.2 microns) were mounted in a double Vaseline-gap chamber and studied at 14-15 degrees C. One or both of the Ca indicators fura-2 and purpurate-3,3' diacetic acid (PDAA) were introduced into the optical recording site by
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 222461-5G | 04061838778000 |