二氯磺基苯基-3-甲基吡唑啉酮，CAS 登记号 84-57-1，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于染料及颜料。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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Dichlorosulfophenyl-3-methylpyrazolone · CAS 84-57-1 · C10H8Cl2N2O4S. UNII 3JM6K2RKX8.
| CAS Registry Number | 84-57-1 |
|---|---|
| PubChem CID | 66536 |
| Molecular formula | C10H8Cl2N2O4S |
| IUPAC name | 2,5-dichloro-4-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonic acid |
| UNII (FDA) | 3JM6K2RKX8 |
| Molecular Weight | 323.15 |
|---|---|
| XLogP3 | 1.3 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 2 |
| Exact Mass | 321.9581833 |
| Monoisotopic Mass | 321.9581833 |
| Topological Polar Surface Area | 95.4 |
| Heavy Atom Count | 19 |
| Formal Charge | 0 |
| Reported hazard statements | H315 (100%), H319 (100%), H335 (100%) |
|---|
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
84-57-1; 1-(2,5-Dichloro-4-sulfophenyl)-3-methyl-5-pyrazolone; Dichlorsulfofenyl-methylpyrazolon; 2,5-dichloro-4-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonic acid; Dichlorsulfofenyl-methylpyrazolon [Czech]; EINECS 201-541-7; 3JM6K2RKX8; NSC 50666; 2,5-Dichloro-4-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid; Benzenesulfonic acid, 2,5-dichloro-4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-; 2,5-Dichloro-4-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic acid; 3-Methyl-1,2,5-dichloro-4-sulfophenylpyrazole-5-one; 3-Methyl-1-2,5-dichloro-4-sulphophenylpyrazole-5-one; NSC-50666; DTXSID8058906; Kyselina 2,5-dichlor-4-(3'-methyl-5'-pyrazolon-1'-yl)benzensulfonova
CAS 84-57-1; molecular formula C10H8Cl2N2O4S; molecular weight — g/mol.
84-57-1, 1-(2,5-Dichloro-4-sulfophenyl)-3-methyl-5-pyrazolone, Dichlorsulfofenyl-methylpyrazolon, 2,5-dichloro-4-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonic acid, Dichlorsulfofenyl-methylpyrazolon [Czech], EINECS 201-541-7.
Hazard statements reported: H315, H319, H335.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.