4,4'-oxydianiline

Oxidising properties

Link to relevant study record(s)

Reference

Endpoint:

oxidising solids

Type of information:

experimental study

Adequacy of study:

key study

Study period:

02-04 February 2010

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

EU Method A.17 (Oxidising Properties (Solids))

Deviations:

no

Principles of method if other than guideline:

As per guideline

GLP compliance:

yes (incl. QA statement)

Specific details on test material used for the study:

4,4'-oxydianiline
4,4'-diaminodiphenyl ether
CAS 101-80-4

Contact with:

powdered cellulose

Duration of test (contact time):

89 - 384 s

Key result

Sample tested:

other: Ratio Test item:Cellulose 10 : 90 %

Parameter:

burning rate

Result:

2.26 mm/s

Key result

Sample tested:

other: Ratio Test Item:Cellulose 20 : 80 %

Parameter:

burning rate

Result:

2.12 mm/s

Key result

Sample tested:

other: Ratio Test Item:Cellulose 30 : 70 %

Parameter:

burning rate

Result:

1.9 mm/s

Key result

Sample tested:

other: Ratio Test Item:Cellulose 40 : 60 %

Parameter:

burning rate

Result:

1.58 mm/s

Key result

Sample tested:

other: Ratio Test Item:Cellulose 50 : 50 %

Parameter:

burning rate

Result:

1.52 mm/s

Key result

Sample tested:

other: Ratio Test Item:Cellulose 60 : 40 %

Parameter:

burning rate

Result:

1.38 mm/s

Sample tested:

other: Ratio Test Item:Cellulose 70 : 30 %

Parameter:

burning rate

Result:

1.16 mm/s

Sample tested:

other: Ratio Test Item:Cellulose 80 : 20 %

Parameter:

burning rate

Result:

0.97 mm/s

Sample tested:

other: Ratio Test Item:Cellulose 90 : 10 %

Parameter:

burning rate

Result:

0.52 mm/s

Sample tested:

reference mixture as specified

Remarks:

Ratio Ba(NO3)2:Cellulose 10 : 90 %

Parameter:

burning rate

Result:

2.79 mm/s

Sample tested:

reference mixture as specified

Remarks:

Ratio Ba(NO3)2:Cellulose 20 : 80 %

Parameter:

burning rate

Result:

2.8 mm/s

Sample tested:

reference mixture as specified

Remarks:

Ratio Ba(NO3)2:Cellulose 30 : 70 %

Parameter:

burning rate

Result:

2.48 mm/s

Sample tested:

reference mixture as specified

Remarks:

Ratio Ba(NO3)2:Cellulose 40 : 60 %

Parameter:

burning rate

Result:

2.12 mm/s

Sample tested:

reference mixture as specified

Remarks:

Ratio Ba(NO3)2:Cellulose 50 : 50 %

Parameter:

burning rate

Result:

2.06 mm/s

Sample tested:

reference mixture as specified

Remarks:

Ratio Ba(NO3)2:Cellulose 60 : 40 %

Parameter:

burning rate

Result:

1.63 mm/s

Sample tested:

reference mixture as specified

Remarks:

Ratio Ba(NO3)2:Cellulose 70 : 30 %

Parameter:

burning rate

Remarks on result:

other: ignited but did not propagate

Sample tested:

reference mixture as specified

Remarks:

Ratio Ba(NO3)2:Cellulose 80 : 20 %

Parameter:

burning rate

Remarks on result:

other: ignited but did not propagate

Sample tested:

reference mixture as specified

Remarks:

Ratio Ba(NO3)2:Cellulose 90 : 10 %

Parameter:

burning rate

Remarks on result:

other: ignited but did not propagate

Table 1. Reference measurement

Ratio Ba(NO3)2: Cellulose	Weight Ba(NO3)2(g)	Weight Cellulose (g)	Ignition time (sec)	Burning rate (mm/sec)
10 : 90 %	1.50	13.50	72	2.79
20 : 80 %	4.00	16.00	71	2.80
30 : 70 %	6.00	14.00	81	2.48
40 : 60 %	12.00	18.00	94	2.12
50 : 50 %	15.00	15.00	97	2.06
60 : 40 %	18.00	12.00	123	1.63
70 : 30 %	21.00	9.00	ignited but did not propagate	-
80 : 20 %	40.00	10.00	ignited but did not propagate	-
90 : 10 %	45.00	5.00	ignited but did not propagate	-

 

 

Table 2. Full Train Test

Ratio Test item : Cellulose	Weight Test item (g)	Weight Cellulose (g)	Ignition time (sec)	Burning rate (mm/sec)
10 : 90 %	1.50	13.50	89	2.26
20 : 80 %	3.00	12.00	95	2.12
30 : 70 %	4.50	10.50	106	1.90
40 : 60 %	6.00	9.00	127	1.58
50 : 50 %	9.00	9.00	132	1.52
60 : 40 %	9.00	6.00	145	1.38
70 : 30 %	10.50	4.50	173	1.16
80 : 20 %	12.00	3.00	206	0.97
90 : 10 %	36.00	4.00	384	0.52

 

Interpretation of results:

GHS criteria not met

Conclusions:

The maximum burning rate of the test item 4,4-Diaminodiphenylether in different mixtures was found to be lower than the burning rate of the reference mixture in the Full Train Test. 4,4-Diaminodiphenylether has no oxidizing properties.

Executive summary:

The maximum burning rate of the test item 4,4-Diaminodiphenylether in different mixtures was found to be lower than the burning rate of the reference mixture in the Full Train Test. 4,4-Diaminodiphenylether has no oxidizing properties.

Description of key information

The maximum burning rate of the test item 4,4-Diaminodiphenylether in different mixtures was found to be lower than the burning rate of the reference mixture in the Full Train Test. 4,4-Diaminodiphenylether has no oxidizing properties.

Key value for chemical safety assessment

Oxidising properties:

non oxidising