1-Phenyl-3-thiosemicarbazide
Also known as: Hydrazinecarbothioamide, 2-phenyl-, 1-Phenylthiosemicarbazide, 1-Phenyl-3-thiosemicarbazide, 2-Phenylhydrazinecarbothioamide, Anilinourea, Anilinothiourea, 1-Anilinothiourea, 2-Phenyl-1-hydrazinecarbothioamide, NSC 25003, NSC 179798, USAF EL-45, USAF EX-5426, 4(N)-Phenylthiosemicarbazide, MFCD00042739, EINECS 211-444-1
1-Phenyl-3-thiosemicarbazide (CAS 645-48-7) 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 167.23100 g/mol. Key properties include a melting point of ~200 °C (dec.), a boiling point of 287.4ºC at 760 mmHg, a density of 1.323g/cm3 and a flash point of 127.6ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 645-48-7
- Jingsj CID
- J-36319-9
- Molecular Formula
- C7H9N3S
- Molecular Weight
- 167.23100 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | ~200 °C (dec.) |
|---|---|
| Boiling Point | 287.4ºC at 760 mmHg |
| Density | 1.323g/cm3 |
| Flash Point | 127.6ºC |
| Exact Mass | 167.05200 |
| PSA | 82.17000 |
| LogP | 2.01090 |
| Refractive Index | 1.726 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
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 1-Phenyl-3-thiosemicarbazide?
The CAS number of 1-Phenyl-3-thiosemicarbazide is 645-48-7.
What are the molecular formula and molecular weight of 1-Phenyl-3-thiosemicarbazide?
1-Phenyl-3-thiosemicarbazide has molecular formula C7H9N3S and molecular weight 167.23100 g/mol.
Is 1-Phenyl-3-thiosemicarbazide hazardous?
1-Phenyl-3-thiosemicarbazide has GHS signal word Danger and hazard statements H301 — Toxic if swallowed.
What are the upstream and downstream products of 1-Phenyl-3-thiosemicarbazide?
For 1-Phenyl-3-thiosemicarbazide, Upstream Products: Diphenylthiocarbazide, Phenylhydrazine, Benzenediazonium chloride; Downstream Products: 2-Aminobenzothiazole, Ammonia.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Phenyl-3-thiosemicarbazide (CAS 645-48-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36319-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.