≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504766144 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504766144 |
| Canonical Smiles | C1COC2=C(O1)C=CC(=C2C3=C(C=CC4=C3OCCO4)P(C5=CC=CC=C5)C6=CC=CC=C6)P(C7=CC=CC=C7)C8=CC=CC=C8 |
| IUPAC Name | [5-(6-diphenylphosphanyl-2,3-dihydro-1,4-benzodioxin-5-yl)-2,3-dihydro-1,4-benzodioxin-6-yl]-diphenylphosphane |
| InChIKey | GDMCOFXEPNHXJT-UHFFFAOYSA-N |
| INCHI | 1S/C40H32O4P2/c1-5-13-29(14-6-1)45(30-15-7-2-8-16-30)35-23-21-33-39(43-27-25-41-33)37(35)38-36(24-22-34-40(38)44-28-26-42-34)46(31-17-9-3-10-18-31)32-19-11-4-12-20-32/h1-24H,25-28H2 |
| Isomeric SMILES | C1COC2=C(O1)C=CC(=C2C3=C(C=CC4=C3OCCO4)P(C5=CC=CC=C5)C6=CC=CC=C6)P(C7=CC=CC=C7)C8=CC=CC=C8 |
| PubChem CID | 11193918 |
| Molecular Weight | 638.63 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Benzenoids |
| Class | Benzene and substituted derivatives |
| Subclass | Phenylphosphines and derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Phenylphosphines and derivatives |
| Alternative Parents | Benzo-1,4-dioxanes Alkyl aryl ethers Para dioxins Organic phosphines and derivatives Oxacyclic compounds Organopnictogen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Triphenylphosphine - Benzo-1,4-dioxane - Benzodioxane - Alkyl aryl ether - Phenylphosphine - Para-dioxin - Phosphine - Ether - Oxacycle - Organoheterocyclic compound - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Organophosphorus compound - Organopnictogen compound - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as phenylphosphines and derivatives. These are compounds containing a phenylphosphine, which consists of phosphine substituent bound to a phenyl group. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 K2526161 | Certificate of Analysis | Dec 15, 2025 | S281903 |
| H2218740 | Certificate of Analysis | Jun 09, 2025 | S281903 |
| H2218741 | Certificate of Analysis | Jun 09, 2025 | S281903 |
| H2218743 | Certificate of Analysis | Jun 09, 2025 | S281903 |
| Sensitivity | Air and moisture sensitive |
|---|---|
| Molecular Weight | 638.600 g/mol |
| XLogP3 | 8.400 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 7 |
| Exact Mass | 638.178 Da |
| Monoisotopic Mass | 638.178 Da |
| Topological Polar Surface Area | 36.900 Ų |
| Heavy Atom Count | 46 |
| Formal Charge | 0 |
| Complexity | 816.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
![(S)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bibenzo[b][1,4]dioxine - ≥97% CAS No(503538-68-9) by Aladdin Scientific](https://www.aladdinsci.com/media/catalog/product/cache/207e23213cf636ccdef205098cf3c8a3/S/2/S281903.png)