| Identification | More | [Name]
4-PHENYLSEMICARBAZIDE | [CAS]
537-47-3 | [Synonyms]
4-PHENYLSEMICARBAZIDE
AKOS B001501
LABOTEST-BB LT02089391
Anilinoformylhydrazine
Hydrazinecarboxamide, N-phenyl-
n-phenylhydrazinecarboxamide
4-PHENYLSEMICARBAZIDE 98+%
N-Phenyl-1-hydrazinecarboxamide | [EINECS(EC#)]
208-669-2 | [Molecular Formula]
C7H9N3O | [MDL Number]
MFCD00007590 | [Molecular Weight]
151.17 | [MOL File]
537-47-3.mol |
| Chemical Properties | Back Directory | [Appearance]
white crystalline powder or flakes | [Melting point ]
122-125 °C(lit.)
| [Boiling point ]
273.17°C (rough estimate) | [density ]
1.2100 (rough estimate) | [refractive index ]
1.5860 (estimate) | [storage temp. ]
Keep in dark place,Inert atmosphere,Room temperature | [form ]
powder to crystal | [pka]
10.52±0.20(Predicted) | [color ]
White to Almost white | [Water Solubility ]
699.5mg/L(15 ºC) | [Sensitive ]
Air Sensitive | [Merck ]
14,7312 | [BRN ]
511107 | [CAS DataBase Reference]
537-47-3(CAS DataBase Reference) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Safety Statements ]
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes . | [WGK Germany ]
3
| [F ]
8-10-23 | [HS Code ]
2928.00.5000 | [HazardClass ]
IRRITANT |
| Raw materials And Preparation Products | Back Directory | [Raw materials]
Activated carbon,decolor-->Phenylurea-->4-PHENYLSEMICARBAZIDE HYDROCHLORIDE-->Phenylcarbamic acid phenyl ester-->phenylcarbamic acid-->1-[(E)-Benzylideneamino]-3-phenyl-urea-->2,3,6,7-tetraphenyl-hexahydro-[1,2,4]triazolo[1,2-a][1,2,4]triazole-1,5-dione-->Carbamic chloride, N-phenyl--->N-PHENYLCARBAMIC ACID METHYL ESTER-->Aniline-->PHENYLURETHANE-->Phenyl isocyanate | [Preparation Products]
Benzaldehyde-->trans-Cinnamaldehyde |
| Hazard Information | Back Directory | [Chemical Properties]
white crystalline powder or flakes | [Definition]
ChEBI:Chondroitin sulfate E (GalNAc4,6diS-GlcA), precursor 5a is a member of ureas. | [Purification Methods]
Crystallise it from water and dry it in a vacuum over KOH. [Beilstein 12 II 221, 12 III 822.] |
|
|