4-Phenyl-3-thiosemicarbazide

4-苯基-3-硫代氨基脲

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

CAS No.
5351-69-9
Jingsj CID
J-47695-1
Molecular Formula
C7H9N3S
Chinese Name
4-苯基-3-硫代氨基脲
Molecular Weight
167.232 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point138-140 °C(lit.)
Boiling Point287.4±23.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point127.6±22.6 °C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-Phenyl-3-thiosemicarbazide?

5351-69-9

What are the molecular formula and molecular weight of 4-Phenyl-3-thiosemicarbazide?

C7H9N3S, molecular weight 167.232 g/mol

Is 4-Phenyl-3-thiosemicarbazide hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026