5-amino-2-nitrobenzoic acid

Oxidising properties

Administrative data

Endpoint:

oxidising solids

Type of information:

experimental study

Adequacy of study:

key study

Study period:

18 -28 October 2019

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2019

Report date:

2019

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

UN Manual of Tests and Criteria: Test O.1 (Test for oxidizing solids)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Test material

Test material information

Constituent 1

Reference substance name:

5-amino-2-nitrobenzoic acid

EC Number:

236-283-4

EC Name:

5-amino-2-nitrobenzoic acid

Cas Number:

13280-60-9

Molecular formula:

C7H6N2O4

IUPAC Name:

5-amino-2-nitrobenzoic acid

impurity 1

Reference substance name:

Water

EC Number:

231-791-2

EC Name:

Water

Cas Number:

7732-18-5

Molecular formula:

H2O

IUPAC Name:

Oxidane

impurity 2

Reference substance name:

Unknown impurities.

Molecular formula:

Not available as unknown impurities.

IUPAC Name:

Unknown impurities.

Test material form:

solid

Details on test material:

Batch / Lot No. 10044431

Specific details on test material used for the study:

Batch No.: 10044431
Storage: Room temperature (approx. 15 to 25 °C)

Study design

Contact with:

powdered cellulose

Duration of test (contact time):

3 min

Results and discussion

Test results (Oxidising solids)

Test results (Oxidising solids) 1

Key result

Sample tested:

reference: 3:2 mixture potassium bromate + cellulose

Parameter:

mean burning time

Result:

22 s

Test results (Oxidising solids) 2

Key result

Sample tested:

reference: 2:3 mixture potassium bromate + cellulose

Parameter:

mean burning time

Result:

67 s

Test results (Oxidising solids) 3

Key result

Sample tested:

1:1 sample-to-cellulose ratio

Parameter:

mean burning time

Result:

91 s

Test results (Oxidising solids) 4

Key result

Sample tested:

4:1 sample-to-cellulose ratio

Parameter:

mean burning time

Result:

50 s

Test results (Oxidising solids) 5

Key result

Sample tested:

reference: 3:7 mixture potassium bromate + cellulose

Parameter:

mean burning time

Result:

118 s

Any other information on results incl. tables

Residual moisture:

The test item contained a residual moisture of 0.11 wt.-%, which was determined by drying at 50 °C under vacuum.
The reference item Potassium Bromate contained a residual moisture of < 0.1 wt.-%, which was determined by drying at 65 °C.
The reference item Cellulose contained a residual moisture of 5.94 wt.-%, which was determined by drying at 105 °C.

Oxidizing properties:

The results of the reference mixtures of potassium bromate and cellulose are shown in the table below:

Potassium bromate- Cellulose-ratio	Test 1 / s	Test 2 / s	Test 3 / s	Test 4 / s	Test 5 / s	Average / s
3:7	115	128	123	110	115	118
2:3	66	64	71	70	65	67
3:2	17	20	23	25	23	22

 

The results of the mixtures of the test item and cellulose are shown in the table below:

Test item- Cellulose-ratio	Test 1 / s	Test 2 / s	Test 3 / s	Test 4 / s	Test 5 / s	Average / s
4:1	54	48	52	47	48	50
1:1	95	93	87	90	90	91

Applicant's summary and conclusion

Interpretation of results:

Category 2 (oxidising solids) based on GHS criteria

Conclusions:

The burning time of the mixtures of the test item 5-Amino-2-nitrobenzoic acid (CAS: 13280-60-9) with cellulose (4:1) was lower than the burning time of the reference mixture of potassium bromate and cellulose (2:3) but higher than the burning time of the reference mixture of potassium bromate and cellulose (3:2). Due to the tests the test item has to be classified as oxidizing solid.
UN Transport Regulation: The test item has to be classified as oxidizing solid in Division 5.1 according to the UN Transport Regulation and is assigned to packing group II.
GHS and EC 1272/2008 (CLP Regulation), Annex 1: 2.14: The test item has to be classified as oxidizing solid according to GHS and EC 1272/2008 (CLP Regulation)
Annex 1: 2.14 and is assigned to category 2.

Executive summary:

The burning time of the mixtures of the test item 5-Amino-2-nitrobenzoic acid (CAS: 13280-60-9) with cellulose (4:1) was lower than the burning time of the reference mixture of potassium bromate and cellulose (2:3) but higher than the burning time of the reference mixture of potassium bromate and cellulose (3:2). Due to the tests the test item has to be classified as oxidizing solid.
UN Transport Regulation: The test item has to be classified as oxidizing solid in Division 5.1 according to the UN Transport Regulation and is assigned to packing group II.
GHS and EC 1272/2008 (CLP Regulation), Annex 1: 2.14: The test item has to be classified as oxidizing solid according to GHS and EC 1272/2008 (CLP Regulation)
Annex 1: 2.14 and is assigned to category 2.