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CAS No.: | 87-39-8 | |||
---|---|---|---|---|
Name: | VIOLURIC ACID | |||
Article Data: | 16 | |||
Molecular Structure: | ||||
Formula: | C4H3 N3 O4 | |||
Molecular Weight: | 157.086 | |||
Synonyms: | Alloxan,5-oxime (8CI); Violuric acid (6CI,7CI); 5-(Hydroxyimino)barbituric acid;5-Isonitrosobarbituric acid; NSC 56338; VLA | |||
EINECS: | 201-741-4 | |||
Density: | 2.19 g/cm3 | |||
Melting Point: | 240 - 250 C | |||
Boiling Point: | 494.1 ºCat 760 mmHg | |||
Flash Point: | 252.6 ºC | |||
Solubility: | Slightly soluble | white to pale yellow crystalline powder | ||
Hazard Symbols: | UN NO. | |||
Risk Codes: | 36/37/38 | |||
Safety: | 26-36 | |||
Transport Information: | 25kgs | |||
PSA: | 107.86000 | |||
LogP: | -1.15980 |
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 10 - 30℃; for 16h; Reagent/catalyst; | 85.2% |
With potassium nitrite | |
With sodium perchlorate; sodium nitrite at 25℃; Kinetics; Mechanism; Concentration; pH-value; Reagent/catalyst; Acidic aq. solution; |
Conditions | Yield |
---|---|
With hydrogenchloride |
pyrimidine-2,4,5,6(1H,3H)-tetraone
violuric acid
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; water | |
With hydroxylamine hydrochloride; water at 60 - 70℃; |
Conditions | Yield |
---|---|
With hydrogenchloride; potassium chlorate man erwaermt die von ueberschuessigem Chlor befreite Loesung mit salzsaurem Hydroxylamin; |
alloxan-4-oxime
violuric acid
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With nitric acid | |
With potassium nitrite; acetic acid | |
With cis-nitrous acid |
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; water |
violuric acid
Conditions | Yield |
---|---|
With hydrogenchloride |
violuric acid
Conditions | Yield |
---|---|
With potassium cyanide |
Molecular Formula: C4H3N3O4
Molar mass: 157.08 g/mol
EINECS: 201-741-4
Density: 2.19 g/cm3
Flash Point: 252.6 °C
Index of Refraction: 1.813
Boiling Point: 494.1 °C at 760 mmHg
Vapour Pressure: 7.79E-12 mmHg at 25°C
Melting point: 240-250 °C (dec.)
Appearance: Light yellow crystalline powder
Structure of Alloxan 5-oxime (87-39-8):
XLogP3-AA: -0.2
H-Bond Donor: 3
H-Bond Acceptor: 5
Systematic Name Alloxan 5-oxime (87-39-8): 5-Hydroxyiminohexahydropyrimidine-2,4,6-trione
SMILES: O=C1C(=N\O)\C(=O)NC(=O)N1
InChI: InChI=1/C4H3N3O4/c8-2-1(7-11)3(9)6-4(10)5-2/h11H,(H2,5,6,8,9,10)
InChIKey: JMUJZTASUDOAGC-UHFFFAOYAY
Std. InChI: InChI=1S/C4H3N3O4/c8-2-1(7-11)3(9)6-4(10)5-2/h11H,(H2,5,6,8,9,10)
Std. InChIKey: JMUJZTASUDOAGC-UHFFFAOYSA-N
1. | ivn-mus LD50:100 mg/kg | CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#05202 . |
Reported in EPA TSCA Inventory.
Poison by intravenous route. When heated to decomposition it emits toxic fumes of NOx.
Hazard Codes: Xi
Risk Statements:
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
Alloxan 5-oxime (87-39-8) also can be called Violuric acid ; 5-(Hydroxyimino)pyrimidine-2,4,6(1H,3H,5H)-trione ; 2,4,5,6(1H,3H)-pyrimidinetetrone, 5-oxime ; Pyrimidin-2,4,5,6(1H,3H)-tetron-5-oxim and 5-(Hydroxyimino)-2,4,6(1H,3H,5H)-pyrimidinetrione .