Reaction mass of 3H-Indolium, 2-[[2-(4-methoxyphenyl)-2-methylhydrazinylidene]methyl]-1,3,3-trimethyl- and acetate

Melting point / freezing point

Link to relevant study record(s)

Reference

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

test procedure in accordance with generally accepted scientific standards and described in sufficient detail

Justification for type of information:

Experimental test result performed using standard test guidelines

Qualifier:

according to guideline

Guideline:

other: as mentioned below

Principles of method if other than guideline:

The Freezing point determination of Reaction mass of 3H-​Indolium, 2-​[[2-​(4-​methoxyphenyl)​-​2-​methylhydrazinyliden​e]​methyl]​-​1,​3,​3-​trimethyl-​ & acetate was done using crushed ice and salt.

GLP compliance:

not specified

Type of method:

other: standard laboratory method

Specific details on test material used for the study:

- Name of test material : Reaction mass of 3H-​Indolium, 2-​[[2-​(4-​methoxyphenyl)​-​2-​methylhydrazinyliden​e]​methyl]​-​1,​3,​3-​trimethyl-​ & acetate- Molecular formula : C20H24N3OC2H3O2- Molecular weight : 381.473 g/mol- Smiles notation : [N+]=1(c2ccccc2C(C)(C)C1\C=N\NCc1ccc(cc1)OC)C.C(C)(=O)[O-]- InChl : 1S/C20H23N3O.C2H4O2/c1-20(2)17-7-5-6-8-18(17)23(3)19(20)14-22-21-13-15-9-11-16(24-4)12-10-15;1-2(3)4/h5-12,14H,13H2,1-4H3;1H3,(H,3,4)- Substance type: Organic- Physical state: Liquid (Yellow)

Key result

Melting / freezing pt.:

< -10.21 °C

Atm. press.:

975.5 hPa

Remarks on result:

other: other details not available

TEST DESCRIPTION AND RESULT

Method Details		Observations	Remarks if, any
Method	Freezing Temperature Method	-
Principle of Freezing point test	The freezing point of a pure sample is the temperature at which transition from liquid to solid state takes place at atmospheric pressure.	-
Quantity of test item used	g	1 ml
Type of cooling bath used	Cold Water Crushed Ice Crushed Ice-Salt Dry Ice Other (specify)	Crushed Ice- Salt
Type and model no. of temperature sensor used	Glass thermometer Thermocouple Thermistor Other (specify)	Thermistor
Atmospheric pressure	hPa	975.5 hPa
Freezing point °C	°C	less than -10.21 °C

Conclusions:

The Freezing point of Reaction mass of 3H-​Indolium, 2-​[[2-​(4-​methoxyphenyl)​-​2-​methylhydrazinyliden​e]​methyl]​-​1,​3,​3-​trimethyl-​ & acetate was determined using freezing temperature method. No freezing was observed up to -10.21 °C.

Executive summary:

The Freezing point determination of Reaction mass of 3H-​Indolium, 2-​[[2-​(4-​methoxyphenyl)​-​2-​methylhydrazinyliden​e]​methyl]​-​1,​3,​3-​trimethyl-​ & acetate

was done using crushed ice and salt. No freezing was observed up to -10.21°C. Hence, the freezing point was inferred to be less than -10.21°C at 975.5 hPa.

Description of key information

The Freezing point of Reaction mass of 3H-​Indolium, 2-​[[2-​(4-​methoxyphenyl)​-​2-​methylhydrazinyliden​e]​methyl]​-​1,​3,​3-​trimethyl-​ & acetate

was determined using freezing temperature method. No freezing was observed up to -10.21 °C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:

-10.21 °C

Additional information

The Freezing point determination of Reaction mass of 3H-​Indolium, 2-​[[2-​(4-​methoxyphenyl)​-​2-​methylhydrazinyliden​e]​methyl]​-​1,​3,​3-​trimethyl-​ & acetate

was done using crushed ice and salt. No freezing was observed up to -10.21°C. Hence, the freezing point was inferred to be less than -10.21°C at 975.5 hPa.