Manganese sulphate

Oxidising properties

Administrative data

Endpoint:

oxidising solids

Type of information:

experimental study

Adequacy of study:

key study

Study period:

10/07/09 - 15/07/09

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: Study conducted to current accepted guideline.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2009

Report date:

2009

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

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

Deviations:

no

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

Manganese sulphate monohydrate

IUPAC Name:

Manganese sulphate monohydrate

Details on test material:

- Name of test material (as cited in study report): MnSO4 (NOTE: the batch number relates to the monohydrate, as stated in the GLP study for water solubility)
- Substance type: extremely pale pink powder
- Physical state: Solid
- Lot/batch No.:08729
- Storage condition of test material: Room temperature in the dark.

Results and discussion

Test results (Oxidising solids)

Test results (Oxidising solids) 1

Sample tested:

test mixture (not specified)

Parameter:

maximum burning rate

Result:

0.943 other: mm/s

Remarks on result:

other: Fastest mixture, test material: cellulose, 10:90

Test results (Oxidising solids) 2

Sample tested:

test mixture (not specified)

Parameter:

maximum burning rate

Result:

0.741 other: mm/s

Remarks on result:

other: Second fastest mixture, test material: cellulose, 20:80

Test results (Oxidising solids) 3

Sample tested:

reference mixture (not specified)

Parameter:

maximum burning rate

Result:

1.424 other: mm/s

Any other information on results incl. tables

Table 1: Reference mixtures

 

% Barium Nitrate	Observations	Burning Time (s)	Burning Rate (mm/s)
10	The pile burned with a yellow flame which produced grey smoke and left black charred remains.	217	0.922
20	The pile burned with an   yellow/green flame which produced grey smoke and left black/grey charred remains.	203	0.985
30	The pile burned with an   yellow/green flame which produced grey smoke and left black/grey charred remains.	245	0.816
40	The pile burned with a green/ yellow flame which produced grey smoke and left black/grey charred remains.	227	0.881
50	The pile burned with a   green/ yellow flame which produced grey smoke and left black/grey charred remains.	196	1.020
60	The pile burned with an   green/ yellow flame which produced grey smoke and left black/grey charred remains.	166	1.205
70	The pile burned with an   green/ yellow flame which produced grey smoke and left whitish/grey charred remains.	161	1.242
80	The pile burned with a small green/yellow flame which self-extinguished without propagating combustion.	-	-
90	The pile burned with a small green/yellow flame which self-extinguished without propagating combustion	-	-
Maximum burning rate = 1.242 mm/s

 

Table 2: Cellulose mixtures

 

% Barium Nitrate	Observations	Burning Time (s)	Burning Rate (mm/s)
10	The pile burned with a blue flame which produced grey smoke and left black charred remains.	240	0.833
20	The pile burned with a blue flame which produced grey smoke and left black charred remains.	303	0.660
30	The pile burned with a small blue flame which self-extinguished after propagating combustion over 12mm in 67 seconds.	-	-
40	The pile burned with a small blue flame which self-extinguished without propagating combustion.	-	-
50	The pile burned with a small blue flame which self-extinguished without propagating combustion.	-	-
60	The pile burned with a small blue flame which self-extinguished without propagating combustion.	-	-
70	The pile failed to ignite	-	-
80	The pile failed to ignite	-	-
90	The pile failed to ignite	-	-
Maximum burning rate = 0.833 mm/s Maximum burning rate reference mixtures = 1.242 mm/s

 

Table 3: Fastest Burning Rate Mixture, Test Material: Cellulose Ratio = 10:90

Test	Observations	Burning Time (s)	Burning Rate (mm/s)
1	The pile burned with a pale blue flame emitting pale grey smoke and leaving dark grey ash.	243	0.823
2	The pile burned with a pale blue flame emitting pale grey smoke and leaving dark grey ash.	212	0.943
3	The pile burned with a pale blue flame emitting pale grey smoke and leaving dark grey ash.	219	0.913
4	The pile burned with a pale blue flame emitting pale grey smoke and leaving dark grey ash.	253	0.791
5	The pile burned with a pale blue flame emitting pale grey smoke and leaving dark grey ash.	258	0.775
6	The pile burned with a pale blue flame emitting pale grey smoke and leaving dark grey ash.	268	0.746
Maximum burning rate = 0.943 mm/s Maximum burning rate of reference mixtures = 1.242 mm/s

 

Table 4: Second Fastest Burning Rate Mixture, Test Material: Cellulose Ratio = 20:80

Test	Observations	Burning Time (s)	Burning Rate (mm/s)
1	The pile ignited with a pale blue flame which self-extinguished without propagating combustion.	-	-
2	The pile burned with a pale blue flame which emitted grey smoke and left dark grey ash.	270	0.741
3	The pile ignited with a pale blue flame which self-extinguished without propagating combustion.	-	-
4	The pile burned with a pale blue flame which emitted grey smoke and left dark grey ash.	296	0.676
5	The pile burned with a pale blue flame which emitted grey smoke but self-extinguished after propagating combustion over 100mm in 283 seconds, and left dark grey ash.	-	-
6	The pile burned with a pale blue flame which emitted grey smoke and left dark grey ash.	416	0.481
Maximum burning rate = 0.741 mm/s Maximum burning rate of reference mixtures = 1.242 mm/s

 

Applicant's summary and conclusion

Interpretation of results:

GHS criteria not met

Conclusions:

MnSO4 is not an oxidiser