Benzenesulfonic acid, 4-C20-24 (even numbered) sec-alkyl derivs., sodium salts

Boiling point

Link to relevant study record(s)

Reference

Endpoint:

boiling point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

05 July 2018 – 09 July 2018

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

OECD Guideline 103 (Boiling point/boiling range)

Deviations:

no

Qualifier:

according to guideline

Guideline:

EU Method A.2 (Boiling Temperature)

Deviations:

no

GLP compliance:

yes

Type of method:

differential scanning calorimetry

Specific details on test material used for the study:

- Batch n°: 2712-106
- Analytical purity: 100%
- Expiration date: not indicated
- Storage condition: at room temperature

Key result

Boiling pt.:

>= 420.5 - <= 431.6 °C

Decomposition:

ambiguous

Remarks:

Black charring was observed around the lid of the sample after testing indicating decomposition may have occurred

Remarks on result:

other: No atmospheric pressure was reported.

Table 1: Table of results (screening test)

	1st endotherm onset T (°C)	2nd endotherm onset T (°C)
Screening test	36.5	426.3

The first endotherm was attributed to the melting/ softening of the sample. For the full testing the temperature range 0 – 480°C was selected (run F was tested between 0 and 500°C).

Table 2: Table of results (Run B, C, D, E and F)

Endotherm onset temp. (°C)	426.7		428.4		427.2		431.6		420.5
Mass of Test Item Used (mg)	11.05		11.86		9.78		9.18		10.26
Start Temperature (°C)	0		0		0		0		0
Final Temperature (°C)	480		480		480		480		500
Scan Rate (K/min)	10		10		10		10		10

Conclusions:

The test item has a boiling temperature range of 420.5°C - 431.6°C.

Description of key information

The boiling temperature of the test item was determined in a GLP study according to OECD guideline 103 and EU Method A.2 to be between 420.5°C and 431.6°C (K1, Dekra, 2018).