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Flash point

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Reference
Endpoint:
flash point, other
Type of information:
experimental study
Adequacy of study:
key study
Study period:
14.4.2018-27.04.2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
other: CIPAC MT 12 "Flash Point (12.3 Pensky Martens Closed Tester)"
Version / remarks:
CIPAC, 1995: The Collaborative International Pesticides Analytical Council Limited, England, CIPAC MT 12 "Flash Point (12.3 Pensky Martens Closed Tester)". In: CIPAC Handbook, Vol. F, "Physico-chemical Methods for Technical and Formulated Pesticides".
GLP compliance:
yes
Type of method:
equilibrium method closed cup
Flash point apparatus:
Pensky-Martens apparatus
Specific details on test material used for the study:
Test Item Name TYZOR AC 436
IUPAC Name Citric acid, titanium salt
C.A. Name Information not provided by Sponsor
CAS Number [EC # 923-927-0]
Batch/Lot Number 334-301300/000005
Analysed Purity (Provided by Sponsor) As Ti: 4.9% w/w (Refer Certificate of Analysis in APPENDIX 2)
Appearance Yellow to brownish clear liquid
Manufactured by Dorf Ketal Speciality Catalyst Private Limited
Supplied to JRF by Dorf Ketal Speciality Catalyst Private Limited
Date of Manufacture September 2017
Date of Expiry September 2019
Key result
Flash point:
> 105 °C
Atm. press.:
ca. 760 mm Hg

A volume of 80 mL TYZOR AC 436was filled in the cup of the flash point apparatus and covered with the lid. Calibrated thermometers were inserted in the oil bath and sample cup. A thin cotton thread soaked in refined vegetable oil was inserted in the flame pointer provided in the apparatus. The cup containing the test item to be tested was placed in oil bath. Cover was placed on the cup avoiding any wetting of the sides of the cup. The test flame was ignited and testing was started when the temperature in the sample cup reached 30 °C. Sample was heated at a slow uniform rate and the test flame from the flame pointer was directed in the cup at every 2 °C intervals.

But, neither any blue flame was observed nor any bursting sound was heard till the temperature reached 105 °C. The test item began to boil at 106°C.Therefore, no further heating was continued and the experiment was stopped.

Then the replicate readings were taken fat 5 °C below the temperature at which the test item began to boil cup in preliminary test. Now the test flame was introduced into the sample cup with increase of every 1 °C. The test item began to boil at 105°C in all the three replicates. The experiment was conducted in three replications.

Interpretation of results:
GHS criteria not met
Conclusions:
The flash point of TYZOR AC 436 was determined by the Pensky MartensClosed TesterMethod and it was found to be> 105 °C at normal atmospheric pressure 760 mm Hg
Executive summary:
The flash point of TYZOR AC 436 was determined by the Pensky MartensClosed TesterMethod. The sample was placed in the cup of the apparatus and heated at a slow, uniform rate. A small test flame was directed into the cup at regular interval, and the flash point taken as the lowest temperature at which the application of the flame causes the vapour above the sample to ignite with a distinct flash inside the cup. But, neither any blue flame was observed nor any bursting sound was heard till the temperature reached 105 °C. The test item began to boil at 106 °C. Therefore, no further heating was continued and the experiment was stopped. The flash point of TYZOR AC 436 was > 105 °C (the test item began to boil at 105 °C) at normal atmospheric pressure (i.e. 760 mm Hg) in all the three replications.

Description of key information

The flash point of TYZOR AC 436 was determined by the Pensky MartensClosed TesterMethod and it was found to be> 105 °C at normal atmospheric pressure 760 mm Hg

Key value for chemical safety assessment

Flash point at 101 325 Pa:
105 °C

Additional information

The flash point of TYZOR AC 436 was determined by the Pensky MartensClosed TesterMethod. The sample was placed in the cup of the apparatus and heated at a slow, uniform rate. A small test flame was directed into the cup at regular interval, and the flash point taken as the lowest temperature at which the application of the flame causes the vapour above the sample to ignite with a distinct flash inside the cup. But, neither any blue flame was observed nor any bursting sound was heard till the temperature reached 105 °C. The test item began to boil at 106 °C. Therefore, no further heating was continued and the experiment was stopped. The flash point of TYZOR AC 436 was > 105 °C (the test item began to boil at 105 °C) at normal atmospheric pressure (i.e. 760 mm Hg) in all the three replications.

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