CompoundList

(S)-SunPhos

Also known as (R)-SunPhos, 1,1'-[(4R)-2,2,2',2'-Tetramethyl[4,4'-bi-1,3-benzodioxole]-5,5'-diyl]bis[1,1-diphenylphosphine], 1,1'-[(4S)-2,2,2',2'-Tetramethyl[4,4'-bi-1,3-benzodioxole]-5,5'-diyl]bis[1,1-diphenylphosphine]

CAS 765312-54-7Formula C42H36O4P2Molar mass 666.69 g/mol
(S)-SunPhos chemical structure, C42H36O4P2, CAS 765312-54-7
2D chemical structure

Key facts

What buyers check first

CAS number
765312-54-7
Formula
C42H36O4P2
Molar mass
666.69 g/mol
HS code
293299
Category
Ligands for catalysis

What is (S)-SunPhos?

Plain description, key identifiers and synonyms

(S)-SunPhos is a chemical substance with the molecular formula C42H36O4P2 and a molar mass of 666.69 g/mol. Its CAS registry number is 765312-54-7. The IUPAC name is [4-(5-diphenylphosphanyl-2,2-dimethyl-1,3-benzodioxol-4-yl)-2,2-dimethyl-1,3-benzodioxol-5-yl]-diphenylphosphane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[4-(5-diphenylphosphanyl-2,2-dimethyl-1,3-benzodioxol-4-yl)-2,2-dimethyl-1,3-benzodioxol-5-yl]-diphenylphosphane
CAS number
765312-54-7Other or deprecated CAS: 765312-57-0
Molecular formula
C42H36O4P2
InChIKey
POSDZZNQKAOHDF-UHFFFAOYSA-N
InChI
InChI=1S/C42H36O4P2/c1-41(2)43-33-25-27-35(47(29-17-9-5-10-18-29)30-19-11-6-12-20-30)37(39(33)45-41)38-36(28-26-34-40(38)46-42(3,4)44-34)48(31-21-13-7-14-22-31)32-23-15-8-16-24-32/h5-28H,1-4H3
SMILES (canonical and isomeric)
CC1(OC2=C(O1)C(=C(C=C2)P(C3=CC=CC=C3)C4=CC=CC=C4)C5=C(C=CC6=C5OC(O6)(C)C)P(C7=CC=CC=C7)C8=CC=CC=C8)C

Synonyms

  • (R)-SunPhos
  • 1,1'-[(4R)-2,2,2',2'-Tetramethyl[4,4'-bi-1,3-benzodioxole]-5,5'-diyl]bis[1,1-diphenylphosphine]
  • 1,1'-[(4S)-2,2,2',2'-Tetramethyl[4,4'-bi-1,3-benzodioxole]-5,5'-diyl]bis[1,1-diphenylphosphine]
  • (2,2,2',2'-tetramethyl-[4,4'-bibenzo[d][1,3]dioxole]-5,5'-diyl)bis(diphenylphosphane)
  • (S)-(-)-5,5'-Bis(diphenylphosphino)-2,2,2',2'-tetramethyl-4,4'-bi- 1,3-benzodioxole
  • [4-(5-diphenylphosphanyl-2,2-dimethyl-1,3-benzodioxol-4-yl)-2,2-dimethyl-1,3-benzodioxol-5-yl]-diphenyl-phosphane
  • [4-(5-diphenylphosphanyl-2,2-dimethyl-1,3-benzodioxol-4-yl)-2,2-dimethyl-1,3-benzodioxol-5-yl]-diphenylphosphane
  • 1,1'-[(4R)-2,2,2',2'-Tetramethyl[4,4'-bi-1,3-benzodioxole]-5,5'-diyl]bis[1,1-diphenylphosphine
  • Phosphine, 1,1'-[(4R)-2,2,2',2'-tetramethyl[4,4'-bi-1,3-benzodioxole]-5,5'-diyl]bis[1,1-diphenyl-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
666.69 g/molcalc.
Exact mass
666.2089 Dacalc.
LogP (octanol/water)
7.88calc.
Topological polar surface area
36.92 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
7calc.
Heavy atoms
48calc.
Rings
8calc.
Aromatic rings
6calc.
Fraction sp3 carbons
0.14calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Fails (2 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(P(c2ccccc2)c2ccc3c(c2-c2c(P(c4ccccc4)c4ccccc4)ccc4c2OCO4)OCO3)cc1

c1ccc(P(c2ccccc2)c2ccc3c(c2-c2c(P(c4ccccc4)c4ccccc4)ccc4c2OCO4)OCO3)cc1

8 rings, 44 atoms, the 4,4'-Bi-1,3-benzodioxole-5,5'-diylbis(diphenylphosphine) ring system.

60 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

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(S)-SunPhos price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code (S)-SunPhos is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for (S)-SunPhos is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Guides for buyers

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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