N,N'-bis(1,3-dimethylbutylidene)-2,2'-iminobis(ethylamine)

Hydrolysis

Administrative data

Endpoint:

hydrolysis

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

4 (not assignable)

Rationale for reliability incl. deficiencies:

other: Informations from secondary source, reported in the High Production Volume Information System (HPVIS) of the U.S. Environmental Protection Agency.

Data source

Reference

Reference Type:

secondary source

Title:

Unnamed

Year:

2012

Report date:

2002

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 111 (Hydrolysis as a Function of pH)

Principles of method if other than guideline:

Hydrolysis testing was performed at approximately 2450 mg/L at pH 1.2 and 4 and approximately 250 mg/L at pH 7 and 9.

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

N,N'-bis(1,3-dimethylbutylidene)-2,2'-iminobis(ethylamine)

EC Number:

234-205-3

EC Name:

N,N'-bis(1,3-dimethylbutylidene)-2,2'-iminobis(ethylamine)

Cas Number:

10595-60-5

Molecular formula:

C16H33N3

IUPAC Name:

N-(1,3-dimethylbutylidene)-N'-{2-[(1,3-dimethylbutylidene)amino]ethyl}ethane-1,2-diamine

Details on test material:

(10595-60-5) 1,2-Ethanediamine, N-(1,3-dimethylbutylidene)-N'-[2-[(1,3-dimethylbutylidene)amino]ethyl]-
The test substance used was 70% diethylenetriamine, 1,7-bis(1,3-dimethylbutylidene) in methylisobutylketone (MIBK).
The reference substance used was Diethylenetriamine (DETA, CAS number 111-40-0).

Study design

Analytical monitoring:

yes

Details on sampling:

Samples were collected at four to six intervals, depending on pH, to monitor a fast hydrolysis rate. At each interval, the concentration of the test substance and the presence of the degradate diethylenetriamine (DETA, CAS number 111-40-0) in solution was determined by liquid chromatography/mass spectrometry (LC/MS).

Results and discussion

Transformation products:

yes

Identity of transformation products

Identity of transformation products 1

No.:

#1

Reference

Reference substance name:

Unnamed

IUPAC name:

108-10-1 / 4-methylpentan-2-one

Identifier:

CAS number

Identity:

108-10-1 / 4-methylpentan-2-one

Identity of transformation products 2

No.:

#2

Reference

Reference substance name:

Unnamed

IUPAC name:

111-40-0 / 2,2'-iminodi(ethyl amine)

Identifier:

CAS number

Identity:

111-40-0 / 2,2'-iminodi(ethyl amine)

Dissipation DT50 of parent compound

Dissipation DT50 of parent compound 1

pH:

1.2

Temp.:

20 °C

DT50:

51.2 min

Dissipation DT50 of parent compound 2

pH:

4

Temp.:

20 °C

DT50:

34 min

Dissipation DT50 of parent compound 3

pH:

7

Temp.:

20 °C

DT50:

5.04 min

Dissipation DT50 of parent compound 4

pH:

9

Temp.:

20 °C

DT50:

0.972 min

Any other information on results incl. tables

The temperature of the test solutions was maintained at approximately 20 degree C during hydrolysis testing. The pH of the test solutions was relatively unchanged. The test substance hydrolyzed rapidly in natural water bodies. In addition, the presence of the degradate DETA was confirmed during each of the tests.