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DL-LACTONE CAS N°:79-50-5 - page 28 / 113

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OECD SIDS 2. PHYSICO-CHEMICAL DATA

DL-LACTONE

ID: 79-50-5 DATE: 18.01.2006

2.4 Vapour Pressure

Value:

=

.7038 hPa at 60 degree C

Method: GLP: Test substance:

other (measured): exact method not stated no as prescribed by 1.1 - 1.4

Reliability:

(2)

valid with restrictions

Internal

database,

data

at

least

30

years

old,

acquired

by

company-internal

physico-chemical

properties

laboratory.

No

Flag: 16-AUG-2004

information on method used is available, database are used and trusted within the Critical study for SIDS endpoint

but data company.

from

this

(22)

Value:

=

.0844 hPa at 25 degree C

Method:

Year: GLP: Test substance:

other (calculated) 2004 no as prescribed by 1.1 - 1.4

Method:

Substance basic data for dl-Lactone were entered into USES 4.02, including the experimental vapour pressure at 60 °C, USES provides an extrapolation to the vapour pressure at 25

Reliability:

°C. (2)

valid with restrictions

Flag: 19-AUG-2004

Computerised application of the EU Technical Guidance Document, prepared by professional Dutch state institution, with high quality assurance. Critical study for SIDS endpoint

(60)

Value:

= 5.106 hPa at 100 degree C

Method: GLP:

other (measured): exact method not stated no

Reliability:

(2)

valid with restrictions

Internal

database,

data

at

least

30

years

old,

acquired

by

company-internal

physico-chemical

properties

laboratory.

No

information on method database are used and

used is

available,

trusted

within the

but data company.

from

this

19-AUG-2004

(22)

Value:

= 1366 hPa at 260 degree C

Method: GLP: Test substance:

other (measured): exact method not stated no as prescribed by 1.1 - 1.4

Reliability:

(2)

valid with restrictions

Internal

database,

data

at

least

30

years

old,

acquired

by

company-internal

physico-chemical

properties

laboratory.

No

information on method database are used and

used is

available,

trusted

within the

but data company.

from

this

19-AUG-2004

(22)

28

UNEP PUBLICATIONS

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