羥肟丙二醯脲
5-hydroxyiminobarbituric acid
CAS: 87-39-8
Molecular Formula: C4H3N3O4
羥肟丙二醯脲 - Names and Identifiers
| Name | 5-hydroxyiminobarbituric acid |
| Synonyms | VIOLURIC ACID Violuric acid alloxan,5-oxime ALLOXAN-5-OXIME violuric acid hydrate 5-ISONITROSOBARBITURIC ACID 5-Isonitrosobarbituric acid 5-HYDROXYIMINOBARBITURIC ACID 5-hydroxyiminobarbituric acid 2,4,5,6(1H,3H)-Pyrimidinetetrone,5-oxime pyrimidine-2,4,5,6(1H,3H)-tetrone 5-oxime 2,4,5,6(1H,3H)-Pyrimidinetetrone, 5-oxime 5-(Hydroxyimino)pyrimidine-2,4,6(1H,3H,5H)-trione |
| CAS | 87-39-8 |
| EINECS | 201-741-4 |
| InChI | InChI=1/C4H3N3O4/c8-2-1(7-11)3(9)6-4(10)5-2/h11H,(H2,5,6,8,9,10) |
羥肟丙二醯脲 - Physico-chemical Properties
| Molecular Formula | C4H3N3O4 |
| Molar Mass | 157.08 |
| Density | 1.8278 (rough estimate) |
| Melting Point | 240-250°C (dec.) |
| Boling Point | 281.7°C (rough estimate) |
| Flash Point | 252.6°C |
| Water Solubility | 7.04g/L at 20℃ |
| Solubility | Aqueous Acid (Sparingly), DMSO (Sparingly), Methanol (Slightly) |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Solid |
| Color | Off-White |
| Merck | 10000 |
| pKa | 4.7(at 25℃) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Stability | Hygroscopic |
| Refractive Index | 1.5000 (estimate) |
| MDL | MFCD00006032 |
羥肟丙二醯脲 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| RTECS | BA4225000 |
羥肟丙二醯脲 - Reference Information
| LogP | -1.2 at 25℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | intravenous-mouse LD50:100 mg/kg |
| flammability hazard characteristics | flammability; Toxic NOx smoke from combustion |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Stored separately from food raw materials |
| extinguishing agent | dry powder, foam, sand, carbon dioxide, water mist |
Last Update：2024-04-09 15:16:53
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View History
羥肟丙二醯脲
2,5-DIMETHOXY-4[(4-NITROPHENYL)AZO]BENZENE-DIAZONIUM CHLORIDE HEMI[ZINC CHLORIDE] SALT
偶氮二异丙基二羧酸
4′-Chlor-2′,5′-dimethoxyacetoacetanilid
异辛烷中赛普洛-嘧菌环胺
[2-HYDROXYETHYL]TRIMETHYLAMMONIUM BICARBONATE SALT
5-甲硫基苯E-2-硼酸
Forane
N-(4-PHENOXYPHENYL)MALEIMIDE
Castrol Radicool SF
2,5-DIMETHOXY-4[(4-NITROPHENYL)AZO]BENZENE-DIAZONIUM CHLORIDE HEMI[ZINC CHLORIDE] SALT
偶氮二异丙基二羧酸
4′-Chlor-2′,5′-dimethoxyacetoacetanilid
异辛烷中赛普洛-嘧菌环胺
[2-HYDROXYETHYL]TRIMETHYLAMMONIUM BICARBONATE SALT
5-甲硫基苯E-2-硼酸
Forane
N-(4-PHENOXYPHENYL)MALEIMIDE
Castrol Radicool SF