Registration Dossier

Administrative data

Endpoint:
oxidising solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
from 24 May 1993 to 22 February 1994
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1994
Report Date:
1994

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
EU Method A.17 (Oxidising Properties (Solids))
Deviations:
not specified
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
Atrazine (technical)
Batch n. 2653, Ref 743
Purity: 97.5%
Expiry: stable until at least January 1995
Appaerance: white powder
Storage conditions: in the dark at 4°C

Study design

Contact with:
powdered cellulose

Results and discussion

Test results (Oxidising solids)open allclose all
Sample tested:
test mixture (not specified)
Remarks:
migrated information
Parameter:
maximum burning rate
Remarks on result:
other: result not specified (migrated information)
Remarks:
None of the test substance/cellulose mixtures burnt for the full 200 mm.
Sample tested:
reference mixture (not specified)
Remarks:
migrated information
Parameter:
maximum burning rate
Result:
2.22 other: mm/s (migrated information)
Remarks on result:
other: the mixture contained 60% of barium nitrate

Any other information on results incl. tables

Burning rate for barium nitrate/cellulose mixtures:

Barium nitrate %

Burning time over 200 mm

Burning rate (mm/s)

Observations

10.2

280

0.71

Burnt across the surface with an orange flame and occasional sparking

19.8

289

0.69

Burnt across the surface with a yellow/orange flame. Low level sparking, a little white ash left.

29.9

256

0.78

Burnt across the surface with a yellow/orange flame. Low level sparking, a little white ash left.

39.9

150

1.33

Burnt across the surface with a yellow/orange flame. Low level sparking, a little white ash left.

50.0

103

1.94

Burnt through the pile with a yellow/orange flame, continuous sparking, 50% white ash left.

59.9

90

2.22

Burnt through the pile with a yellow/orange flame, lots of sparking and some white smoke, white ash and some fused material left.

69.9

137

1.46

Burnt through the pile with a yellow flame, lots of sparking and white smoke, trail of fused material left.

80.1

-

-

Burnt for 10 mm with an almost white flame.

90.0

-

-

Burnt around the igniter with a small white flame.

Burning rate for test substance/cellulose mixtures:

Test substance %

Burning time over 200 mm

Burning rate (mm/s)

Observations

10

-

-

Burnt across the surface with a blue orange tinted flame for 180 mm, a little smoke emitted.

20

-

-

Burnt across the surface with a blue orange tinted flame for 160 mm, a little smoke emitted.

30.2

-

-

Burnt across the surface with a blue orange tinted flame for 30 mm, a little smoke emitted.

40.2

-

-

Burnt across the surface with a blue orange tinted flame for 10 mm, a little smoke emitted.

50.0

-

-

Burnt only around the ignitor with a blue flame.

60

-

-

Burnt only around the ignitor with a blue flame.

69.5

-

-

Burnt only around the ignitor with a blue flame.

79.7

-

-

Burnt only around the ignitor with a blue flame.

89.6

-

-

Burnt only around the ignitor with a blue flame.

Applicant's summary and conclusion

Interpretation of results:
other: no oxidising properties
Remarks:
Migrated information
Conclusions:
Under the conditions of this test atrazine (technical) is not considered to have oxidising properties.