- Alloxan
- Alloxan 5-oxime
- Alloxan monohydrate
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Cas Database |
| Name |
Alloxan 5-oxime |
EINECS | 201-741-4 | |
| CAS No. | 87-39-8 | Density | 2.19 g/cm3 | |
| PSA | 107.86000 | LogP | -1.15980 | |
| Solubility | Slightly soluble | Melting Point |
240 - 250 C |
|
| Formula | C4H3 N3 O4 | Boiling Point | 494.1 ºCat 760 mmHg | |
| Molecular Weight | 157.086 | Flash Point | 252.6 ºC | |
| Transport Information | 25kgs | Appearance | white to pale yellow crystalline powder | |
| Safety | 26-36 | Risk Codes | 36/37/38 | |
| Molecular Structure |
|
Hazard Symbols | UN NO. | |
| Synonyms |
Alloxan,5-oxime (8CI); Violuric acid (6CI,7CI); 5-(Hydroxyimino)barbituric acid;5-Isonitrosobarbituric acid; NSC 56338; VLA |
Article Data | 16 | |
Alloxan 5-oxime Synthetic route
| 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 |
- 61066-33-9, 61066-34-0, 61066-35-1, 61127-23-9
pyrimidine-2,4,5,6(1H,3H)-tetraone
- 87-39-8
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; |
- 74646-24-5
alloxan-4-oxime
- 87-39-8
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 |
- 87-39-8
violuric acid
| Conditions | Yield |
|---|---|
| With hydrogenchloride |
- 87-39-8
violuric acid
| Conditions | Yield |
|---|---|
| With potassium cyanide |
Alloxan 5-oxime Chemical Properties
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
Alloxan 5-oxime Toxicity Data With Reference
| 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 . |
Alloxan 5-oxime Consensus Reports
Reported in EPA TSCA Inventory.
Alloxan 5-oxime Safety Profile
Poison by intravenous route. When heated to decomposition it emits toxic fumes of NOx.
Hazard Codes: Xi.gif){kind=small}
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 Specification
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 .
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