γ-butyrolactone

Phototransformation in soil

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

Test material information

Constituent 1

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 products

Identity of transformation products 1

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

Identity of transformation products 2

No.:

#2

Reference

Reference substance name:

Unnamed

IUPAC name:

carbon monooxide

Inventory number:

InventoryMultipleMappingImpl [inventoryEntryValue=EC 211-128-3]

CAS number:

630-08-0

Identity of transformation products 3

No.:

#3

Reference

Reference substance name:

Unnamed

IUPAC name:

Propylene

Identifier:

common name

Identity:

Propylene

Identity of transformation products 4

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

Identity of transformation products 5

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

Identity of transformation products 6

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

Identity of transformation products 7

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.