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Diss Factsheets

Physical & Chemical properties

Flammability

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Endpoint:
substances / mixtures which in contact with water emit flammable gases
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
other:
Justification for type of information:
JUSTIFICATION FOR DATA WAIVING
As the substance is soluble in water, the substance does not react with it, testing can be waived.
Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 03 to 04 april 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
UN Manual of Tests and Criteria: Test N.1 (Test method for readily combustible solids)
GLP compliance:
not specified
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: 1601762
- Purity test date : 21/03/2018
Test procedure:
burning rate test: preliminary screening test
Remarks:
22°C (Ambient temperature)
Moisture (wt %):
38
Remarks on result:
substance does not ignite and propagate combustion either by burning with flame or smouldering along 200 mm of the powder train within the 2 minutes test period
Interpretation of results:
not classified based on GHS criteria
Conclusions:
The test item burning rate has been tested according to UN N.1. The preliminary test has a burning time over 120 seconds and the test item does not ignite and propagate combustion either by burning with flame or smouldering along 200 mm of the powder train within the 2 minutes test period. The test item is not a "flammable solid" and is considered has not classified according to GHS criteria.
Endpoint:
flammable solids
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Justification for type of information:
REPORTING FORMAT FOR THE ANALOGUE APPROACH


1. HYPOTHESIS FOR THE ANALOGUE APPROACH
The hypothesis is that properties are likely to be similar or follow a similar pattern as a result of the presence of a common organic part. This is a reasonable assumption for the majority of organic salt compounds (e.g. metal salts of some organic acids).

2. SOURCE AND TARGET CHEMICAL(S) (INCLUDING INFORMATION ON PURITY AND IMPURITIES)
Analogue approach between iron oxalate (TARGET CHEMICAL) and other oxalate salts such as magnesium oxalate (SOURCE CHEMICAL).

Purity of source and target substance : above 99%

3. ANALOGUE APPROACH JUSTIFICATION
Thus, this endpoint study record is part of a Weight of Evidence approach comprising a read-across and an experimental study. The experimental study was conducted s to fulfil the information requirements as further explained in the provided endpoint summary.

Reason / purpose for cross-reference:
read-across source
Test procedure:
burning rate test: preliminary screening test
Remarks:
22°C (Ambient temperature)
Moisture (wt %):
38
Remarks on result:
substance does not ignite and propagate combustion either by burning with flame or smouldering along 200 mm of the powder train within the 2 minutes test period
Interpretation of results:
not classified based on GHS criteria
Conclusions:
An analogue approach between iron oxalate salt and magnesium oxalate salt has been conducted.
The conclusion of flammable properties tested of the magnesium oxalate  salts can be extended to iron oxalate without ambiguity.
The flammable properties of test item was determined following the Burning rate Test UN N.1 of the Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, 6th.
The test item does not have flammable properties according to the test UN N.1.
Executive summary:

An analogue approach between iron oxalate salt and magnesium oxalate salt has been conducted.

The hypothesis is that properties are likely to be similar or follow a similar pattern as a result of the presence of a common organic part. This is a reasonable assumption for the majority of organic salt compounds (e.g. metal salts of some organic acids).

Indeed, the conclusion of flammable properties tested of the magnesium oxalate  salts can be extended to iron oxalate without ambiguity.

The flammable properties of test item was determined following the Burning rate Test UN N.1 of the Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, 6th.

The test item does not have flammable properties according to the test UN N.1.

Endpoint:
pyrophoric solids
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance is known to be stable in contact with air at room temperature for prolonged periods of time (days) and hence, the classification procedure does not need to be applied
Justification for type of information:
JUSTIFICATION FOR DATA WAIVING
According to the additional classification considerations in CLP Annex I, 2.10.4, the classification procedure for pyrophoric solids need not be applied when experience in manufacture or handling shows that the substance or mixture does not ignite spontaneously on coming into contact with air at normal temperatures (i.e. the substance or mixture is known to be stable at room temperature for prolonged periods of time (days)).

Description of key information

An analogue approach between iron oxalate salt and magnesium oxalate salt has been conducted.

The conclusion of flammable properties tested of the magnesium oxalate  salts can be extended to iron oxalate without ambiguity.

The flammable properties of test item was determined following the Burning rate Test UN N.1 of the Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, 6th.

The test item does not have flammable properties according to the test UN N.1.

The test item is not classified flammable according to CLP criteria.

Key value for chemical safety assessment

Flammability:
not classified

Additional information

Justification for classification or non-classification