trisodium 3-[(E)-2-(4-{[4-chloro-6-({2-[(4-{[4-(ethenesulfonyl)phenyl]amino}-6-fluoro-1,3,5-triazin-2-yl)amino]propyl}amino)-1,3,5-triazin-2-yl]amino}-5-sulfonaphthalen-1-yl)diazen-1-yl]naphthalene-1,5-disulfonate

Vapour pressure

Link to relevant study record(s)

Reference

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

key study

Study period:

16 June 2006

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

OECD Guideline 104 (Vapour Pressure Curve)

Deviations:

not specified

Qualifier:

according to guideline

Guideline:

EU Method A.4 (Vapour Pressure)

GLP compliance:

no

Type of method:

other: Modified Watson Correlation

Specific details on test material used for the study:

Identity: FAT 40826/A
Batch: TZ 5604 BOP 01/06
Purity: Content of organic part (Na-salt): approx. 78 %
Oligomers: 13 %
Main component: approx. 48 %
Appearance: Solid, orange powder
Expiration date: February 01, 2011
Storage: At room temperature at about 20 °C in a desiccator.

Vapour pressure:

0 Pa

Remarks on result:

other: No further details available

The vapour pressure of the test substance was estimated at 25 °C based on the boiling point calculated and using the Modified Watson Correlation to be: 2.04 x 10 ^-30 Pa.

Conclusions:

The vapour pressure of FAT 40826/A was estimated at 25 °C based on the boiling point calculated and using the Modified Watson Correlation to be: 2.04E-30 Pa.

Executive summary:

The estimation of the vapour pressure of FAT 40826/A was based on the EEC directive 92/69, Part A, Methods for the determination of physico-chemical properties, A.4 "Vapour Pressure", EEC Publication No. L383, December 1992 and the OECD Guideline No. 104, "Vapour Pressure", adopted July 27,1995. The boiling point of FAT 40826/A was calculated to be approximately 860 °C using Meissner's method. The vapour pressure of FAT 40826/A was estimated to be 2.04x10³⁰ Pa at 25 °C based on the boiling point calculated and using the Modified Watson Correlation.

Description of key information

The vapour pressure of the test substance was estimated at 25 °C based on the boiling point calculated and using the Modified Watson Correlation to be: 2.04 x 10 ^-30 Pa.

Key value for chemical safety assessment

Vapour pressure:

0 Pa

at the temperature of:

25 °C

Additional information

In a study performed according to EC Method A.4, the vapour pressure of the test substance was determined by calculation. The vapour pressure was calculated using the Modified Watson Correlation based on the calculated boiling point using the Meissner's method. The vapour pressure of the test substance was estimated to be: 2.04 10 ^-30 Pa. However, the value of 0.000001 Pa (1.0E-6 Pa) was used for the risk assessment purposes as values below it are outside the boundaries for EUSES model.