4,4'-二羟基-7,7'-亚脲基二(萘-2-磺酸)，CAS 登记号 134-47-4，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'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid) · CAS 134-47-4 · C21H16N2O9S2. UNII 2QJN9485J7.
| CAS Registry Number | 134-47-4 |
|---|---|
| PubChem CID | 67254 |
| Molecular formula | C21H16N2O9S2 |
| IUPAC name | 4-hydroxy-7-[(5-hydroxy-7-sulfonaphthalen-2-yl)carbamoylamino]naphthalene-2-sulfonic acid |
| UNII (FDA) | 2QJN9485J7 |
| Molecular Weight | 504.5 |
|---|---|
| XLogP3 | 1.8 |
| Hydrogen Bond Donor Count | 6 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 4 |
| Exact Mass | 504.02972244 |
| Monoisotopic Mass | 504.02972244 |
| Topological Polar Surface Area | 207 |
| Heavy Atom Count | 34 |
| Formal Charge | 0 |
| GHS notification summary | 97.4% (111 / 114) |
|---|
| GHS notification summary | 97.4% (111 / 114) |
|---|
This chemical does not meet GHS hazard criteria for 97.4% (111 of 114) of all reports.
Reported as not meeting GHS hazard criteria by 111 of 114 companies (only 2.6% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
7,7'-(carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid]; 4,4'-Dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid); 2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis(4-hydroxy-; 2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis[4-hydroxy-; 7,7'-(Carbonyldiimino)bis(4-hydroxy-2-naphthalenesulfonic acid); RefChem:506651; 205-142-9; 134-47-4; 7,7'-(Carbonylbis(azanediyl))bis(4-hydroxynaphthalene-2-sulfonic acid); J Acid urea; Urea J Acid; Carbonyl J Acid; AMI-1; AMI-1 free acid; I Acid Urea; AMI-1 (free acid)
CAS 134-47-4; molecular formula C21H16N2O9S2; molecular weight — g/mol.
7,7'-(carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid], 4,4'-Dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid), 2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis(4-hydroxy-, 2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis[4-hydroxy-, 7,7'-(Carbonyldiimino)bis(4-hydroxy-2-naphthalenesulfonic acid), RefChem:506651.
97.4% of GHS notifications report no hazard classification (111 of 114).
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.