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11709
Barbituric acid
Barbituric acid
for spectrophotometric det. of cyanide, ≥99.5%
Synonym(s):
2,4,6-Trihydroxypyrimidine, Malonylurea
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100 G
$478.00
About This Item
Empirical Formula (Hill Notation):
C4H4N2O3
CAS Number:
Molecular Weight:
128.09
Beilstein/REAXYS Number:
120502
EC Number:
MDL number:
UNSPSC Code:
41115710
PubChem Substance ID:
NACRES:
NA.21
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Quality Level
assay
≥99.5% (HPLC)
≥99.5%
form
solid
quality
for spectrophotometric det. of cyanide
technique(s)
UV/Vis spectroscopy: suitable
ign. residue
≤0.05%
mp
248-252 °C (dec.) (lit.)
anion traces
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤500 mg/kg
cation traces
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Mg: ≤10 mg/kg
Mn: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
SMILES string
O=C1CC(=O)NC(=O)N1
InChI
1S/C4H4N2O3/c7-2-1-3(8)6-4(9)5-2/h1H2,(H2,5,6,7,8,9)
InChI key
HNYOPLTXPVRDBG-UHFFFAOYSA-N
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Related Categories
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This Item | 185698 | 8.00133 | 1.00132 |
|---|---|---|---|
| assay ≥99.5% (HPLC) | assay 99% | assay ≥99% (acidimetric) | assay ≥99% (acidimetric) |
| Quality Level 100 | Quality Level 200 | Quality Level 200 | Quality Level 300 |
| form solid | form powder | form solid | form solid |
| mp 248-252 °C (dec.) (lit.) | mp 248-252 °C ((lit.)), 248-252 °C (dec.) (lit.) | mp 250-252 °C (decomposition) | mp 250-252 °C (decomposition) |
| anion traces chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤500 mg/kg | anion traces - | anion traces - | anion traces chloride (Cl-): ≤40 ppm |
| cation traces Ca: ≤10 mg/kg, Co: ≤5 mg/kg, Cu: ≤5 mg/kg, Mg: ≤10 mg/kg, Ni: ≤5 mg/kg, Zn: ≤5 mg/kg | cation traces - | cation traces - | cation traces Fe: ≤10 ppm, heavy metals (as Pb): ≤50 ppm |
General description
Barbituric acid is also known as malonurea or 6-hydroxyuracil, it is an odourless powder and is soluble in water. It has a very high pharmacological activity and can be used to synthesize addition derivatives of it, to be used in novel drug discovery. It basically acts on the central nervous system (CNS) depressants, thereby possessing a wide range from mild sedation to total anaesthesia.[1]
Application
Barbituric acid with aromatic aldehydes was used in an experimental study, meant to demonstrate the increased efficiency of Knoevenagel condensation reaction for barbituric acid and various aromatic aldehydes on basic alumina, in the absence of organic solvents under microwave irradiation.[2] It may also be used in electrochemical oxidation of iodine, using cyclic voltammetry and controlled-potential coulometry.[3]
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
302.0 °F - closed cup
flash_point_c
150.00 °C - closed cup
ppe
Eyeshields, Gloves, type N95 (US)
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