酸性黄199，CAS 登记号 70865-20-2，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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YELLOW A-4R · CAS 70865-20-2 · C19H15N4NaO6S. UNII EKG9QR9Y9K.
| CAS Registry Number | 70865-20-2 |
|---|---|
| PubChem CID | 135666575 |
| Molecular formula | C19H15N4NaO6S |
| IUPAC name | sodium 4-[4-[(4-hydroxy-2-methylphenyl)diazenyl]anilino]-3-nitrobenzenesulfonate |
| UNII (FDA) | EKG9QR9Y9K |
| Molecular Weight | 450.4 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 4 |
| Exact Mass | 450.06099967 |
| Monoisotopic Mass | 450.06099967 |
| Topological Polar Surface Area | 168 |
| Heavy Atom Count | 31 |
| Formal Charge | 0 |
| Complexity | 700 |
Acid Yellow 199; 70865-20-2; EINECS 274-950-1; 4-4-(4-hydroxy-2-methylphenyl)azophenylamino-3-nitrobenzenesulphonate (sodium salt); sodium;4-[4-[(4-hydroxy-2-methylphenyl)diazenyl]anilino]-3-nitrobenzenesulfonate; Benzenesulfonic acid, 4-[[4-[(4-hydroxy-2-methylphenyl)azo]phenyl]amino]-3-nitro-, monosodium salt; Benzenesulfonic acid, 4-[[4-[2-(4-hydroxy-2-methylphenyl)diazenyl]phenyl]amino]-3-nitro-, sodium salt (1:1); C.I. Acid Yellow 199; 61931-26-8; Telon Yellow 4R; Benzenesulfonic acid, 4-((4-((4-hydroxy-2-methylphenyl)azo)phenyl)amino)-3-nitro-, monosodium salt; Benzenesulfonic acid, 4-((4-(2-(4-hydroxy-2-methylphenyl)diazenyl)phenyl)amino)-3-nitro-, sodium salt (1:1); Sellacid Orange PF; Nylosan Yellow E 4RL; Best Acid Yellow A 4R; Triacid Fast Yellow 4RL
CAS 70865-20-2; molecular formula C19H15N4NaO6S; molecular weight — g/mol.
Acid Yellow 199, 70865-20-2, EINECS 274-950-1, 4-4-(4-hydroxy-2-methylphenyl)azophenylamino-3-nitrobenzenesulphonate (sodium salt), sodium;4-[4-[(4-hydroxy-2-methylphenyl)diazenyl]anilino]-3-nitrobenzenesulfonate, Benzenesulfonic acid, 4-[[4-[(4-hydroxy-2-methylphenyl)azo]phenyl]amino]-3-nitro-, monosodium salt.
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.