Hexadecyl dihydrogen phosphate

Boiling point

Link to relevant study record(s)

Reference

Endpoint:

boiling point

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

OECD Guideline 103 (Boiling Point)

Version / remarks:

A definitive BP could not be determined. Due to the nature of the sample, boiling point was tested by thermogravimetric analysis (TGA), which is a deviation from OECD Guidelines for The Testing of Chemicals, 103, July 27 1995.

Deviations:

yes

Remarks:

Conventional boiling point techniques were not suitable for this material.. As a result, a deviation from the OECD 103 guideline was necessary and the boiling point test was obtained by performing thermogravimetric analysis (TGA) on the sample.

Principles of method if other than guideline:

Using thermogravimetric analysis, the sample is placed in a DSC hermetic pan with a laser drilled pinhole in the lid. When the sample starts to boil, the vapor pressure in the pan increases, causing a weight loss through the pinhole in the lid. The onset of the derivative of this weight loss is taken to be the boiling point of the sample

GLP compliance:

no

Other quality assurance:

ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)

Type of method:

other: TGA (Thermal Gravimetric Analysis)

Specific details on test material used for the study:

Chemical Name Hexadecyl dihydrogen phosphate, phosphoric acid
Commercial Name Cola Fax CPE
Physical State Solid
CAS # 3539-43-3
EC # None Provided
Manufacturer Colonial Chemical
Batch #/Lot # 64252F18
Received on February 8, 2019
Tested on February 11, 2019, February 12, 2019

Key result

Boiling pt.:

249 °C

Atm. press.:

1 atm

Decomposition:

ambiguous

Replicate #       Boiling Point

#1                     252

#2                     246

Average            249

Conclusions:

A definitive boiling point could not be determined. Due to the nature of the sample, boiling point was tested by thermogravimetric analysis (TGA), which is a deviation from OECD Guidelines for The Testing of Chemicals, 103,July 27 1995.
The lowest major boiling component has a boiling point of 249°C (average).

Description of key information

The boiling point of this solid substance could not be determined accurately using OECD 103. Instead TGA (thermal gravimetrtic analysis) was used to investigate the effect of temperature on the material. The onset of boiling was estimated to be 249 deg C.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:

249 °C