4-phenyl-1,3-dihydro-2H-imidazole-2-thione

Also known as: 4-Phenylimidazole-2-thiol, 2-Mercapto-4-phenylimidazole, 2H-Imidazole-2-thione, 1,3-dihydro-4-phenyl-, 4-Phenyl-1,3-dihydro-2H-imidazole-2-thione, 4-phenyl-1,3-dihydroimidazole-2-thione, 4-phenyl-1H-imidazole-2-thiol, Ai3-61073, CHEMBRDG-BB 4010221, Imidazole-2-thiol, 4-phenyl-, Nsc 45834

4-phenyl-1,3-dihydro-2H-imidazole-2-thione (CAS 6857-34-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8N2S and a molecular weight of 176.23800 g/mol. Key properties include a boiling point of 302.3ºC at 760 mmHg, a density of 1.3g/cm3 and a flash point of 136.6ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6857-34-7
Jingsj CID: J-1410488-2
Molecular Formula: C₉H₈N₂S
Molecular Weight: 176.23800 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	302.3ºC at 760 mmHg
Density	1.3g/cm3
Flash Point	136.6ºC
Exact Mass	176.04100
PSA	67.48000
LogP	2.36540
Refractive Index	1.711

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

H302 — Harmful if swallowed
H318 — Causes serious eye damage

Customs & Trade Information

HS Code	2933290090
Summary	2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-phenyl-1,3-dihydro-2H-imidazole-2-thione?

The CAS number of 4-phenyl-1,3-dihydro-2H-imidazole-2-thione is 6857-34-7.

What are the molecular formula and molecular weight of 4-phenyl-1,3-dihydro-2H-imidazole-2-thione?

4-phenyl-1,3-dihydro-2H-imidazole-2-thione has molecular formula C9H8N2S and molecular weight 176.23800 g/mol.

Is 4-phenyl-1,3-dihydro-2H-imidazole-2-thione hazardous?

4-phenyl-1,3-dihydro-2H-imidazole-2-thione has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.

What are the upstream and downstream products of 4-phenyl-1,3-dihydro-2H-imidazole-2-thione?

For 4-phenyl-1,3-dihydro-2H-imidazole-2-thione, Upstream Products: Potassium thiocyanate, 2-Aminoacetophenone hydrochloride, Ethyl 2-amino-2-phenylacetate; Downstream Products: 1-benzoyl-4-phenylimidazole, 4-Phenylimidazole, 6-phenylimidazo[2,1-b]thiazole.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-phenyl-1,3-dihydro-2H-imidazole-2-thione (CAS 6857-34-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1410488-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.