4-Phenyl-3-thiosemicarbazide
Also known as: 4-Phenylthiosemicarbazide, N-Phenylhydrazinecarbothioamide, N-Phenylthiosemicarbazide, 4-Phenyl-3-thio-semicarbazid, 1-Amino-3-phenylthiourea, 3-Amino-1-phenylthiourea, Phenylthiosemicarbazide, Hydrazinecarbothioamide, N-phenyl-, N1-Phenylhydrazine-1-carbothioamide, N1-Phenylthiosemicarbazide, AKOS B001502, TIMTEC-BB SBB007538, usafek-5426, NSC 58946, NSC 704
4-Phenyl-3-thiosemicarbazide (CAS 5351-69-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H9N3S and a molecular weight of 167.232 g/mol. Key properties include a melting point of 138-140 °C(lit.), a boiling point of 287.4±23.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 127.6±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H300. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5351-69-9
- Jingsj CID
- J-47695-9
- Molecular Formula
- C7H9N3S
- Molecular Weight
- 167.232 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 138-140 °C(lit.) |
|---|---|
| Boiling Point | 287.4±23.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 127.6±22.6 °C |
| Exact Mass | 167.051712 |
| PSA | 82.17000 |
| LogP | 0.93 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.727 |
| Additional Property | methanol: 50 mg/mL, clear |
GHS Safety & Compliance
- H300
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Phenyl-3-thiosemicarbazide?
The CAS number of 4-Phenyl-3-thiosemicarbazide is 5351-69-9.
What are the molecular formula and molecular weight of 4-Phenyl-3-thiosemicarbazide?
4-Phenyl-3-thiosemicarbazide has molecular formula C7H9N3S and molecular weight 167.232 g/mol.
Is 4-Phenyl-3-thiosemicarbazide hazardous?
4-Phenyl-3-thiosemicarbazide has GHS signal word Danger and hazard statements H300.
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-Phenyl-3-thiosemicarbazide (CAS 5351-69-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47695-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.