Registration Dossier

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

Reference
Name:
Unnamed
Type:
Constituent
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
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 200-815-3]
IUPAC name:
Ethene
Identity:
Ethene
CAS number:
74-85-1
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
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 211-128-3]
IUPAC name:
carbon monooxide
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
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 200-001-8]
IUPAC name:
formaldehyde
Identity:
Formaldehyde
Identity:
Formalin
CAS number:
50-00-0
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
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 211-333-8]
IUPAC name:
succinaldehyde
Identity:
Butanedial
CAS number:
638-37-9
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
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 200-847-8]
IUPAC name:
cyclopropane
Identity:
Cyclopropane
CAS number:
75-19-4
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
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 204-696-9]
IUPAC name:
dioxomethane
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