potassium;1-(4-chlorophenyl)pyrazol-3-olate

Stability: thermal, sunlight, metals

Administrative data

Endpoint:

thermal stability

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2020

Report date:

2020

Materials and methods

Test guideline

Qualifier:

equivalent or similar to guideline

Guideline:

OECD Guideline 113 (Screening Test for Thermal Stability and Stability in Air)

Version / remarks:

According to DIN 51007 (2019-04)

GLP compliance:

no

Other quality assurance:

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

Test material

Test material information

Constituent 1

Reference substance name:

potassium;1-(4-chlorophenyl)pyrazol-3-olate

EC Number:

949-316-9

Cas Number:

1965233-46-8

Molecular formula:

C9H6ClN2O*K

IUPAC Name:

potassium;1-(4-chlorophenyl)pyrazol-3-olate

Test material form:

solid: particulate/powder

Results and discussion

For thermal stability study

Test substance thermally stable:

yes

Operating temperature

Operating temperature 1

Key result

Operating temp.:

>= 30 - <= 500 °C

Remarks on result:

other: 1st exothemic reaction: 660 J/g at onset temperatue 365°C; 2nd exothemic reaction: >30 J/g at onset temperatue 460°C

Remarks:

in glass

Operating temperature 2

Key result

Operating temp.:

>= 30 - <= 500 °C

Remarks on result:

other: 1st exothemic reaction: 610 J/g at onset temperatue 365°C; 2nd exothemic reaction: >50 J/g at onset temperatue 460°C

Remarks:

in V4A

Operating temperature 3

Key result

Operating temp.:

>= 30 - <= 500 °C

Remarks on result:

other: 1st exothemic reaction: 760 J/g at onset temperatue 370°C; 2nd exothemic reaction: >20 J/g at onset temperatue 465°C

Remarks:

in Hastelloy C

Any other information on results incl. tables

Results

	glass	V4A	Hastelloy C
1.Reaction	exothermic	exothermic	exothermic
Onset-temperature	365 °C	365 °C	370 °C
Peak temperature	372 °C	375 °C	374 °C
Energy release	660 J/g	610 J/g	760 J/g
Remark	The reaction is self-accelerating	The reaction is self-accelerating	The reaction is self-accelerating

 

	glass	V4A	Hastelloy C
2.Reaction	exothermic	exothermic	exothermic
Onset-temperature	460 °C	460 °C	465 °C
Peak temperature	--- °C	--- °C	--- °C
Energy release	>30 J/g	>50 J/g	>20 J/g
Remark	The reaction was not tested for self-accelerating decomposition behavior.	The reaction was not tested for self-accelerating decomposition behavior	The reaction was not tested for self-accelerating decomposition behavior