4,4'-二氟联苯，CAS 登记号 398-23-2，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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本页已列出 4,4'-二氟联苯 的 CAS 号：398-23-2，可与随货 COA 核对。
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4,4'-Difluorobiphenyl · CAS 398-23-2 · C12H8F2. UNII O0694GMK81.
| CAS Registry Number | 398-23-2 |
|---|---|
| PubChem CID | 9811 |
| Molecular formula | C12H8F2 |
| IUPAC name | 1-fluoro-4-(4-fluorophenyl)benzene |
| UNII (FDA) | O0694GMK81 |
| Molecular Weight | 190.19 |
|---|---|
| XLogP3 | 4.5 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 190.05940658 |
| Monoisotopic Mass | 190.05940658 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 14 |
| Formal Charge | 0 |
| GHS notification summary | 3.9% (3 / 76) |
|---|
| GHS notification summary | 3.9% (3 / 76) |
|---|---|
| Reported hazard statements | H315 (90.8%), H319 (90.8%), H335 (89.5%) |
This chemical does not meet GHS hazard criteria for 3.9% (3 of 76) of reports.
H315 (90.8%): Causes skin irritation [Warning Skin corrosion/irritation]
4,4'-Difluorobiphenyl; 398-23-2; 4,4'-Difluoro-1,1'-biphenyl; 4,4'-Difluorodiphenyl; 1,1'-Biphenyl, 4,4'-difluoro-; O0694GMK81; NSC-4173; DTXSID20192870; RefChem:506645; DTXCID60115361; 206-910-6; 1-fluoro-4-(4-fluorophenyl)benzene; 4,4-Difluoro-1,1-biphenyl; MFCD00000349; NSC4173; Aprepitant impurity 64
CAS 398-23-2; molecular formula C12H8F2; molecular weight — g/mol.
4,4'-Difluorobiphenyl, 398-23-2, 4,4'-Difluoro-1,1'-biphenyl, 4,4'-Difluorodiphenyl, 1,1'-Biphenyl, 4,4'-difluoro-, O0694GMK81.
3.9% of GHS notifications report no hazard classification (3 of 76).
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.