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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
phototransformation in soil
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
publication
Title:
The Photodecomposition of gamma-Butyrolactone in the Vapor Phase
Author:
Simonaitis R and Pitts JN jr
Year:
1971
Bibliographic source:
Journ Phys Chem 78(18): 2733-2737

Materials and methods

Principles of method if other than guideline:
Method: other (measured)

Test material

Constituent 1
Chemical structure
Reference substance name:
γ-butyrolactone
EC Number:
202-509-5
EC Name:
γ-butyrolactone
Cas Number:
96-48-0
Molecular formula:
C4H6O2
IUPAC Name:
dihydrofuran-2(3H)-one
Details on test material:
Test type: other: vapour phase ; gamma-butyrolactone

Study design

Light source:
other: Hanovia 500-W medium-pressure lamp
Light spectrum: wavelength in nm:
ca. 210 - ca. 260

Results and discussion

Transformation products:
yes
Identity of transformation productsopen allclose all
No.:
#1
Reference
Reference substance name:
Unnamed
IUPAC name:
Ethene
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 200-815-3]
CAS number:
74-85-1
Identity:
Ethene
Molecular formula:
C2H4
Molecular weight:
28.053
SMILES notation:
C=C
InChl:
InChI=1/C2H4/c1-2/h1-2H2
No.:
#2
Reference
Reference substance name:
Unnamed
IUPAC name:
carbon monooxide
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 211-128-3]
CAS number:
630-08-0
No.:
#3
Reference
Reference substance name:
Unnamed
IUPAC name:
Propylene
Identifier:
common name
Identity:
Propylene
No.:
#4
Reference
Reference substance name:
Unnamed
IUPAC name:
formaldehyde
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 200-001-8]
CAS number:
50-00-0
Identity:
Formaldehyde
Identity:
Formalin
Molecular formula:
C H2 O
Molecular weight:
30.026
SMILES notation:
C=O
InChl:
1/CH2O/c1-2/h1H2
No.:
#5
Reference
Reference substance name:
Unnamed
IUPAC name:
succinaldehyde
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 211-333-8]
CAS number:
638-37-9
Identity:
Butanedial
Molecular formula:
C4H6O2
Molecular weight:
86.089
SMILES notation:
O=CCCC=O
InChl:
InChI=1/C4H6O2/c5-3-1-2-4-6/h3-4H,1-2H2
No.:
#6
Reference
Reference substance name:
Unnamed
IUPAC name:
cyclopropane
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 200-847-8]
CAS number:
75-19-4
Identity:
Cyclopropane
Molecular formula:
C3H6
Molecular weight:
42.08
SMILES notation:
C1CC1
InChl:
InChI=1/C3H6/c1-2-3-1/h1-3H2
No.:
#7
Reference
Reference substance name:
Unnamed
IUPAC name:
dioxomethane
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 204-696-9]
CAS number:
124-38-9

Any other information on results incl. tables

Irradiation experiments at longer wavelengths and by Hg-photosensitized decomposition resulted in the same degradation products but with different relative yields.

Applicant's summary and conclusion