3-Amino-1-(2,4,6-trichlorophenyl)-1H-pyrazol-5(4H)-one
Also known as: 3-amino-1-(2,4,6-trichlorophenyl)-2-pyrazolin-5-one, 3-amino-1-(2,4,6-trichlorophenyl)-5-pyrazolone, 5-amino-2-(2,4,6-trichlorophenyl)-2,4-dihydro-3H-pyrazol-3-one, 1-(2,4,6-trichlorophenyl)-3-amino-pyrazolin-5-one, 1-(2,4,6-trichlorophenyl)-3-amino-2-pyrazoline-5-one, 1-(2,4,6-trichlorophenyl)-3-anilinopyrazolone, NSC 113482, 2-pyrazolin-5-one, 3-amino-1-(2,4,6-trichlorophenyl)-, 5-amino-2-(2,4,6-trichlorophenyl)-4H-pyrazol-3-one, 5-amino-2-(2,4,6-trichlorophenyl)-2,4-dihydro-3H-pyrazol-3-one, 5-amino-2-(2,4,6-trichloro-phenyl)-2,4-dihydro-pyrazol-3-one, 3-amino-1-(2,4,6-trichlorophenyl)-4,5-dihydro-1H-pyrazol-5-one, 3H-pyrazol-3-one, 5-amino-2,4-dihydro-2-(2,4,6-trichlorophenyl)-, 5-amino-2-(2,4,6-trichlorophenyl)-3-pyrazol-2-iumone
3-Amino-1-(2,4,6-trichlorophenyl)-1H-pyrazol-5(4H)-one (CAS 27241-31-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6Cl3N3O and a molecular weight of 278.52200 g/mol. Key properties include a melting point of 218 °C (dec.)(lit.), a boiling point of 397.9ºC at 760mmHg, a density of 1.626g/cm3 and a flash point of 194.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 27241-31-2
- Jingsj CID
- J-38342-6
- Molecular Formula
- C9H6Cl3N3O
- Molecular Weight
- 278.52200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 218 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 397.9ºC at 760mmHg |
| Density | 1.626g/cm3 |
| Flash Point | 194.5ºC |
| Exact Mass | 276.95800 |
| PSA | 58.69000 |
| LogP | 2.85660 |
| Vapor Pressure | 5.56E-07mmHg at 25°C |
| Refractive Index | 1.721 |
Customs & Trade Information
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole 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 3-Amino-1-(2,4,6-trichlorophenyl)-1H-pyrazol-5(4H)-one?
The CAS number of 3-Amino-1-(2,4,6-trichlorophenyl)-1H-pyrazol-5(4H)-one is 27241-31-2.
What are the molecular formula and molecular weight of 3-Amino-1-(2,4,6-trichlorophenyl)-1H-pyrazol-5(4H)-one?
3-Amino-1-(2,4,6-trichlorophenyl)-1H-pyrazol-5(4H)-one has molecular formula C9H6Cl3N3O and molecular weight 278.52200 g/mol.
What are the upstream and downstream products of 3-Amino-1-(2,4,6-trichlorophenyl)-1H-pyrazol-5(4H)-one?
For 3-Amino-1-(2,4,6-trichlorophenyl)-1H-pyrazol-5(4H)-one, Upstream Products: 3-Propeneamido-1-(2,4,6-trichlorophenyl)-5-pyrazolone; Downstream Products: 3-Amino-N-(5-oxo-1-(2,4,6-trichlorophenyl)-4,5-dihydro-1H-pyrazol-3-yl)benzamide, 3-(2-(2,4-Di-tert-pentylphenoxy)acetamido)-N-(5-oxo-1-(2,4,6-trichlorophenyl)-2-pyrazolin-3-yl)benzamide, 1-(2',4',6'-Trichlorophenyl)-3-(3-nitrobenzamido)-5-pyrazolone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Amino-1-(2,4,6-trichlorophenyl)-1H-pyrazol-5(4H)-one (CAS 27241-31-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38342-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.