2-Propenamide, N-(2,2-dimethoxyethyl)-

Boiling point

Administrative data

Endpoint:

boiling point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2009-11-18 to 2010-03-16

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: GLP study according to recent OECD technical guideline.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2010

Report date:

2010

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

OECD Guideline 103 (Boiling point/boiling range)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

EU Method A.2 (Boiling Temperature)

Deviations:

no

Test guideline 3

Qualifier:

according to guideline

Guideline:

EPA OPPTS 830.7220 (Boiling Point / Boiling Range)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Type of method:

method according to Siwoloboff

Test material

Test material information

Constituent 1

Reference substance name:

N-(2,2-dimethoxyethyl)prop-2-enamide

EC Number:

610-472-5

Cas Number:

49707-23-5

Molecular formula:

C7 H13 N1 O3

IUPAC Name:

N-(2,2-dimethoxyethyl)prop-2-enamide

Results and discussion

Boiling point

Boiling pt.:

179 °C

Atm. press.:

101.3 kPa

Decomposition:

ambiguous

Any other information on results incl. tables

The determination of the Boiling Point was performed by visual judgement using the capillary method.

At about 215 °C in the preliminary test, the number of air bubbles increases and a stream of air bubbles were visible. The colour changed from light yellow to light brown using a heating rate of 10 °C/min.

To confirm the result obtained in the preliminary test, the determination of the boiling point was performed in triplicate, heating quickly up to 163 °C and afterwards slowly using a heating rate of 1 °C/min.

A clear boiling point, as defined in the guideline with a current stream of bubbles evolving from the capillary, was observed at a heating temperature of 179 °C (452 K). The results were evaluated because they fulfill the criteria of repeatability.

Table 1: Results

				corrected^1
Replicate	Pressure	Temperature	Temperature	Temperature	Temperature
No.	[kPa]	[°C]	[K]	[°C]	[K]
1	96.12	178.6
2	96.12	176.5
3	96.12	175.9
mean value (n=3):		177.0	450.2	179.1	452.2
^1 corrected by correlation factor 0.40K/hPa (y =0.0008 * 514.7 - 0.009) and barometric pressure

Applicant's summary and conclusion

Conclusions:

In conclusion, of N-(2,2-Dimethoxyethyl)acrylamide starts boiling at 179 °C (452 K) at ambient barometric pressure (101.3 kPa).

Executive summary:

Purpose: The purpose of this study was to evaluate the boiling point of N-(2,2-Dimethoxyethyl)acrylamide by the capillary method according to Siwoloboff using an electronic controlled heating system.

 

Results: The determination of the Boiling Point was performed by visual judgement using the capillary method. At about 215 °C in the preliminary test, the number of air bubbles increased and a stream of air bubbles were visible. The colour changed from light yellow to light brown using a heating rate of 10 °C/min. To confirm the result obtained in the preliminary test, the determination of the boiling point was performed in triplicate, heating quickly up to 163 °C and afterwards slowly using a heating rate of 1 °C/min. A clear boiling point, as defined in the guideline with a current stream of bubbles evolving from the capillary, was observed at a heating temperature of 179 °C (452 K).The results were evaluated because they fulfill the criteria of repeatability.

 

Conclusion: In conclusion, of N-(2,2-Dimethoxyethyl)acrylamide starts boiling at 179 °C (452 K) at ambient barometric pressure (101.3 kPa).