荧光增白剂CBS-X，CAS 登记号 56776-28-4，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，下游主要用于精细化学品；纺织助剂。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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Fluorescent Brightener CBS-X · CAS 56776-28-4 · C28H20Na2O6S2. UNII F7992ZTU7Z.
| CAS Registry Number | 56776-28-4 |
|---|---|
| PubChem CID | 5332133 |
| Molecular formula | C28H20Na2O6S2 |
| IUPAC name | disodium;2-[(E)-2-[4-[4-[(E)-2-(2-sulfonatophenyl)ethenyl]phenyl]phenyl]ethenyl]benzenesulfonate |
| UNII (FDA) | F7992ZTU7Z |
| Molecular Weight | 562.6 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 5 |
| Exact Mass | 562.04966926 |
| Monoisotopic Mass | 562.04966926 |
| Topological Polar Surface Area | 131 |
| Heavy Atom Count | 38 |
| Formal Charge | 0 |
| Complexity | 852 |
| Regulatory & Food Contact | CIR / INCI: Surfactant; Viscosity controlling |
|---|---|
| GHS notification summary | 1.3% (7 / 549) |
| GHS notification summary | 1.3% (7 / 549) |
|---|---|
| Reported hazard statements | H318 (25%), H319 (74%) |
This chemical does not meet GHS hazard criteria for 1.3% (7 of 549) of reports.
H318 (25%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
56776-28-4; F7992ZTU7Z; Disodium distyrylbiphenyl disulfonate, (E,E)-; UNII-F7992ZTU7Z; DISODIUM 4,4'-BIS(2-SULFOSTYRYL)BIPHENYL, (E,E)-; BENZENESULFONIC ACID, 2,2'-((1,1'-BIPHENYL)-4,4'-DIYLDI-(1E)-2,1-ETHENEDIYL)BIS-, SODIUM SALT (1:2); RefChem:200672; 27344-41-8; Sodium 2,2'-([1,1'-biphenyl]-4,4'-diylbis(ethene-2,1-diyl))dibenzenesulfonate; Disodium 4,4'-Bis(2-sulfonatostyryl)biphenyl; Fluorescent Brightener CBS-X; 4,4'-Bis(2-sulfostyryl)biphenyl Disodium; Fluorescent brightener 351; Sodium 2,2'-((1E,1'E)-[1,1'-biphenyl]-4,4'-diylbis(ethene-2,1-diyl))dibenzenesulfonate; 4,4'-Bis(2-sulfonatostyryl)biphenyl Disodium Salt; disodium;2-[(E)-2-[4-[4-[(E)-2-(2-sulfonatophenyl)ethenyl]phenyl]phenyl]ethenyl]benzenesulfonate
CAS 56776-28-4; molecular formula C28H20Na2O6S2; molecular weight — g/mol.
56776-28-4, F7992ZTU7Z, Disodium distyrylbiphenyl disulfonate, (E,E)-, UNII-F7992ZTU7Z, DISODIUM 4,4'-BIS(2-SULFOSTYRYL)BIPHENYL, (E,E)-, BENZENESULFONIC ACID, 2,2'-((1,1'-BIPHENYL)-4,4'-DIYLDI-(1E)-2,1-ETHENEDIYL)BIS-, SODIUM SALT (1:2).
Documented regulatory listings: CIR / INCI: Surfactant; Viscosity controlling.
1.3% of GHS notifications report no hazard classification (7 of 549).
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.