4-Phenylsemicarbazide
Also known as: 1-amino-3-phenylurea, 4-phenylsemicarbazide, N-phenylhydrazinecarboxamide, Hydrazinecarboxamide, N-phenyl-, anilinoformyl hydrazine, EINECS 208-669-2, MFCD00007590
4-Phenylsemicarbazide (CAS 537-47-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H9N3O and a molecular weight of 151.16600 g/mol. Key properties include a melting point of 122-125 °C(lit.) and a density of 1.275 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 537-47-3
- Jingsj CID
- J-15928-4
- Molecular Formula
- C7H9N3O
- Molecular Weight
- 151.16600 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 122-125 °C(lit.) |
|---|---|
| Density | 1.275 g/cm3 |
| Exact Mass | 151.07500 |
| PSA | 67.15000 |
| LogP | 1.84600 |
Customs & Trade Information
| HS Code | 2928000090 |
|---|---|
| Summary | 2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4-Phenylsemicarbazide?
The CAS number of 4-Phenylsemicarbazide is 537-47-3.
What are the molecular formula and molecular weight of 4-Phenylsemicarbazide?
4-Phenylsemicarbazide has molecular formula C7H9N3O and molecular weight 151.16600 g/mol.
What are the upstream and downstream products of 4-Phenylsemicarbazide?
For 4-Phenylsemicarbazide, Upstream Products: Methyl N-phenylcarbamate, Phenylurethane, Phenylurea; Downstream Products: 2,4-Dihydro-4-phenyl-3H-1,2,4-triazol-3-one, 5-Methyl-4-phenyl-2,4-dihydro-3H-1,2,4-triazol-3-one, 1-Formyl-4-phenylsemicarbazide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Phenylsemicarbazide (CAS 537-47-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15928-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.