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26351-19-9 - Violuric acid monohydrate, 97% - Alloxan-5-oxime monohydrate - 5-Isonitrosobarbituric acid monohydrate - B23931 - Alfa Aesar

B23931 Violuric acid monohydrate, 97%

CAS Number
26351-19-9
Synonyms
Alloxan-5-oxime monohydrate
5-Isonitrosobarbituric acid monohydrate

Violuric acid monohydrate, 97%

MDL
MFCD00149401
EINECS
201-741-4

Chemical Properties

Formula
C4H3N3O4•H2O
Formula Weight
175.10 (157.08anhy)
Melting point
ca 245° dec.
Solubility
Partly miscible in water.

Applications

Violuric acid monohydrate is used as a reagent for cobalt. It is also used as a pharmaceutical intermediate.

Notes

Keep container tightly sealed. Store in cool, dry conditions in well sealed containers. Incompatible with oxidizing agents.

Literature References

B. M. Craven.; Y. Mascarenhas. The crystal structure of perdeuterated violuric acid monohydrate: The X-ray diffraction analysis. Acta Cryst. 1964, 17 407-414.

W. H. Baur. On hydrogen bonds in crystalline hydrates. Acta Cryst. 1965, 19 909-916.

Reagent for cobalt.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,10000
Beilstein
162342
Harmonized Tariff Code
2933.59
TSCA
Yes
RTECS
BA4225000

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