CAS No 87-39-8 , 5-hydroxyimino-1,3-diazinane-2,4,6-trione Search by region : China

Name: 5-hydroxyimino-1,3-diazinane-2,4,6-trione
Synonyms: Alloxan-5-oxime; Alloxan 5-oxime; 87-39-8; 5-oxime;5-hydroxyimino-1,3-diazinane-2,4,6-trione; 5-Hydroxyiminobarbituric acid;5-Isonitrosobarbituric acid; Alloxan;
CAS Registry Number:87-39-8
Transport: 25kgs
Flash Point: 252.6 ºC
Boiling Point: 494.1 ºCat 760 mmHg
Density: 2.19 g/cm³
Refractive index: 1.813
Water Solubility: Slightly soluble
Safety Statements: 26-36
Hazard Symbols: UN NO.
Flash Point: 252.6 ºC
EINECS: 201-741-4
Molecular Weight: 157.08432
InchiKey: JMUJZTASUDOAGC-UHFFFAOYSA-N
InChI: InChI=1S/C4H3N3O4/c8-2-1(7-11)3(9)6-4(10)5-2/h11H,(H2,5,6,8,9,10)
Risk Statements: 36/37/38
Molecular Formula: C₄H₃N₃O₄
Molecular Structure:

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References of 5-hydroxyimino-1,3-diazinane-2,4,6-trione

Title: Violuric Acid
CAS Registry Number: 87-39-8
CAS Name: 2,4,5,6(1H,3H)-Pyrimidinetetrone 5-oxime
Synonyms: alloxan 5-oxime; 5-isonitrosobarbituric acid; 5-(hydroxyimino)barbituric acid
Molecular Formula: C4H3N3O4
Molecular Weight: 157.08
Percent Composition: C 30.58%, H 1.93%, N 26.75%, O 40.74%
Literature References: Known to exist as a mixture of keto-enol tautomers. Prepd from alloxan and hydroxylamine: Cresole, Ber. 16, 1133 (1883); Guinchard, Ber. 32, 1723 (1899).
Properties: Orthorhombic crystals, dec 240-241°. pK 4.7. Sparingly sol in water to a violet-colored soln; sol in alcohol. With FeCl3 produces blue color.
pKa: pK 4.7
Use: Analytical reagent for chromatographic separation of cations. Forms chelates: Leermakers, Hoffman, J. Am. Chem. Soc. 80, 5663 (1958).