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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Stability in organic solvents and identity of relevant degradation products

Administrative data

Endpoint:
stability in organic solvents and identity of relevant degradation products
Type of information:
other: Expert opinion
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Hydrolysis products are know based on ingredients used in manufacturing the substance. Basis for rate of hydrolysis is discussed in Section 5.

Data source

Reference
Reference Type:
other: expert opinion
Title:
Unnamed
Year:
2011

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Expert opinion based on knowledge of manufacturing process and environmental chemistry.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Isodecyl diphenyl phosphite
EC Number:
247-777-4
EC Name:
Isodecyl diphenyl phosphite
Cas Number:
26544-23-0
Molecular formula:
C22H31O3P
IUPAC Name:
Phosphorous acid, isodecyl diphenyl ester

Results and discussion

Test substance stable:
no
Transformation products:
yes
Identity of transformation productsopen allclose all
No.:
#1
Reference
Reference substance name:
Unnamed
IUPAC name:
phenol
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 203-632-7]
CAS number:
108-95-2
Identity:
Phenol
Molecular formula:
C6H6O
Molecular weight:
94.111
SMILES notation:
Oc1ccccc1
InChl:
InChI=1/C6H6O/c7-6-4-2-1-3-5-6/h1-5,7H
No.:
#2
Reference
Reference substance name:
Unnamed
IUPAC name:
8-methylnonan-1-ol
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 246-869-1]
CAS number:
25339-17-7
No.:
#3
Reference
Reference substance name:
Unnamed
IUPAC name:
phosphorous acid
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 233-663-1]
CAS number:
10294-56-1

Applicant's summary and conclusion

Conclusions:
In water, DPDP hydrolyses rapidly into 2 moles of phenol, 1 mole of isodecyl alcohol and 1 mole of phosphorous acid.
Executive summary:

In water, DPDP hydrolyses rapidly into 2 moles of phenol, 1 mole of isodecyl alcohol and 1 mole of phosphorous acid.