1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene

Modify Date: 2026-07-14 13:23:35

1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene Structure
1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene structure
Common Name 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene
CAS Number 803-17-8 Molecular Weight 368.36300
Density 1.22g/cm3 Boiling Point 549.4ºC at 760 mmHg
Molecular Formula C21H21O4P Melting Point N/A
MSDS N/A Flash Point 299ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.22g/cm3
Boiling Point 549.4ºC at 760 mmHg
Molecular Formula C21H21O4P
Molecular Weight 368.36300
Flash Point 299ºC
Exact Mass 368.11800
PSA 54.57000
LogP 3.35180
Index of Refraction 1.591
InChIKey KSTMQPBYFFFVFI-UHFFFAOYSA-N
SMILES COc1ccc(P(=O)(c2ccc(OC)cc2)c2ccc(OC)cc2)cc1

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Tris(4-methoxyphenyl)phosphine oxide
tris(4-methoxyphenyl)phosphane oxide
tris(p-methoxyphenyl)phosphine oxide
(p-MeOPh)3PO
tris(para-methoxyphenyl)phosphine oxide
Phosphine oxide,tris(4-methoxyphenyl)

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular weight of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene?
A: Molecular weight of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene is 368.36300.
Q: What are the downstream products of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene?
A: Related downstream products(CAS) of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene: 855-38-9;797-71-7.
Q: What English synonyms does 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene have?
A: English synonyms of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene: Tris(4-methoxyphenyl)phosphine oxide, tris(4-methoxyphenyl)phosphane oxide, tris(p-methoxyphenyl)phosphine oxide, (p-MeOPh)3PO, tris(para-methoxyphenyl)phosphine oxide, Phosphine oxide,tris(4-methoxyphenyl).
Q: What is the InChIKey of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene?
A: InChIKey of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene is KSTMQPBYFFFVFI-UHFFFAOYSA-N.
Q: What is the Chinese name of 803-17-8?
A: Chinese name of 803-17-8 is 803-17-8.
Q: What is the LogP of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene?
A: LogP of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene is 3.35180.
Q: What is the polar surface area (PSA) of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene?
A: Polar surface area (PSA) of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene is 54.57000.
Q: What is the English name of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene?
A: The English name of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene is 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene.
Q: What is the boiling point of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene?
A: Boiling point of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene is 549.4ºC at 760 mmHg.
Q: What are the upstream materials of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene?
A: Related upstream materials(CAS) of 1-bis(4-methoxyphenyl)phosphoryl-4-methoxybenzene: 855-38-9;104-92-7;106-93-4;14180-55-3;7175-54-4;15676-95-6;3400-27-9;73116-90-2.
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