4-(4-硝基苯偶氮)儿茶酚，CAS 登记号 843-33-4，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，下游主要用于有机化学品。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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4-(4-Nitrophenylazo)catechol · CAS 843-33-4 · C12H9N3O4. UNII NS00042466.
| CAS Registry Number | 843-33-4 |
|---|---|
| PubChem CID | 4000958 |
| Molecular formula | C12H9N3O4 |
| IUPAC name | 4-[(4-nitrophenyl)diazenyl]benzene-1,2-diol |
| UNII (FDA) | NS00042466 |
| Molecular Weight | 259.22 |
|---|---|
| XLogP3 | 3.4 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 2 |
| Exact Mass | 259.05930578 |
| Monoisotopic Mass | 259.05930578 |
| Topological Polar Surface Area | 111 |
| Heavy Atom Count | 19 |
| Formal Charge | 0 |
| Reported hazard statements | H315 (100%), H319 (100%), H335 (80%), H317 (100%) |
|---|
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
4-((4-Nitrophenyl)azo)pyrocatechol; EINECS 212-676-6; 4-[(4-nitrophenyl)azo]pyrocatechol; NSC 75879; RefChem:509569; 212-676-6; 4-(4-Nitrophenylazo)catechol; 843-33-4; 4-[(4-nitrophenyl)diazenyl]benzene-1,2-diol; MFCD00014711; 4-(4-Nitrobenzeneazo) catechol; NSC75879; 1,2-Benzenediol, 4-[(4-nitrophenyl)azo]-; 4-(p-Nitrophenylazo)-catechol; SCHEMBL2374053; SCHEMBL2374057
CAS 843-33-4; molecular formula C12H9N3O4; molecular weight — g/mol.
4-((4-Nitrophenyl)azo)pyrocatechol, EINECS 212-676-6, 4-[(4-nitrophenyl)azo]pyrocatechol, NSC 75879, RefChem:509569, 212-676-6.
Hazard statements reported: H315, H319, H335, H317.
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.