酸性棕4，CAS 登记号 5858-51-5，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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Acid Brown 4 · CAS 5858-51-5 · C16H12N3NaO4S. UNII NS00047800.
| CAS Registry Number | 5858-51-5 |
|---|---|
| PubChem CID | 135713843 |
| Molecular formula | C16H12N3NaO4S |
| IUPAC name | sodium 6-[(4-aminophenyl)diazenyl]-5-hydroxynaphthalene-1-sulfonate |
| UNII (FDA) | NS00047800 |
| Molecular Weight | 365.3 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 3 |
| Exact Mass | 365.04462133 |
| Monoisotopic Mass | 365.04462133 |
| Topological Polar Surface Area | 137 |
| Heavy Atom Count | 25 |
| Formal Charge | 0 |
| Complexity | 560 |
| GHS notification summary | 0.5% (11 / 2026) |
|---|
| GHS notification summary | 0.5% (11 / 2026) |
|---|---|
| Reported hazard statements | H302 (99.4%) |
This chemical does not meet GHS hazard criteria for 0.5% (11 of 2026) of reports.
H302 (99.4%): Harmful if swallowed [Warning Acute toxicity, oral]
Sodium 6-((4-aminophenyl)azo)-5-hydroxynaphthalene-1-sulphonate; EINECS 227-492-1; EC 227-492-1; Sodium 6-[(4-aminophenyl)azo]-5-hydroxynaphthalene-1-sulphonate; RefChem:887186; 227-492-1; 5858-51-5; ACID BROWN 4; sodium;6-[(4-aminophenyl)diazenyl]-5-hydroxynaphthalene-1-sulfonate; Sodium 6-((4-aminophenyl)diazenyl)-5-hydroxynaphthalene-1-sulfonate; Acid Brown 4, tech.; C.I. Acid Brown 4; orb2567107; SCHEMBL2940832; AVULUSFAVFJIOG-UGAWPWHASA-M; DTXSID201023885
CAS 5858-51-5; molecular formula C16H12N3NaO4S; molecular weight — g/mol.
Sodium 6-((4-aminophenyl)azo)-5-hydroxynaphthalene-1-sulphonate, EINECS 227-492-1, EC 227-492-1, Sodium 6-[(4-aminophenyl)azo]-5-hydroxynaphthalene-1-sulphonate, RefChem:887186, 227-492-1.
0.5% of GHS notifications report no hazard classification (11 of 2026).
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.