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Physical & Chemical properties

Explosiveness

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Endpoint:
explosive properties of explosives
Type of information:
experimental study
Adequacy of study:
key study
Study period:
November 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.14 (Explosive properties)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
GLP Certificate no. 17/2017/DPL
Key result
Test series:
other: 6 trials
Method:
UN Test 3 (a) (ii): BAM Fallhammer
Parameter:
limiting impact energy (J)
Value:
40
Result:
negative, no explosion
Key result
Test series:
other: 6 trials
Method:
UN Test 3 (b) (i): BAM friction apparatus
Parameter:
limiting load (N)
Value:
360
Result:
negative, no explosion
Key result
Test series:
other: 3 trials
Method:
UN Test 1 (b): Koenen test
Parameter:
limiting diameter (mm)
Value:
6
Result:
negative, no explosion
Key result
Test series:
other: 3 trails
Method:
UN Test 2 (b): Koenen test
Parameter:
limiting diameter (mm)
Value:
2
Result:
negative, no explosion
Interpretation of results:
GHS criteria not met
Conclusions:
Ca IDHA does not have explosive properties according to the criteria of EEC A.14 method.
Executive summary:

Thestudyofdeterminationof explosiveproperties ofCaIDHA was carried outinaccordance withmethodEC A14,published in theCouncilRegulation(EC) No. 440/2008.

Six trials of testing of impact sensitivity of CaIDHA with using the dropped weight of 10 kg falling from the height of 40 cm, i.e. impactat energy of 40 J were carried out. There were no explosive reaction of CaIDHA in any of the trials.

Six trials of testing of friction sensitivity of CaIDHA with using loading of 360 N were carried out. There were no explosive reaction of CaIDHA in any of thetrials.

Three trials of testing thermal sensitivity of CaIDHA with using hole with diameter 6 mm and next three trials with using hole with diameter 2 mm were carried   out. There were no explosive reaction of CaIDHA inany of the trials.

CaIDHA does not have explosive properties according to the criteria of EEC A.14 method.

Endpoint:
explosiveness
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
weight of evidence
Study period:
2011-01-28 - 2011-02-16
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Well documented GLP guideline study
Justification for type of information:
Comparing the chemical structures of the IDHA chelate it is apparent that they are closely related to each other. The chelating agent of the target substances and as well other IDHA chelates is iminodisuccinic acid (IDHA, known as D,L-Aspartic acid N-(1,2-dicarboxyethyl) tetrasodium salt) which is a pentadentate ligand. IDHA binds a central atom through one amine-, and four carboxyl- groups providing free electron pairs of nitrogen and oxygen atoms, respectively. Calcium is the central atom of coordination complexes of Ca(2Na)IDHA chelate.
All IDHA chelates are solids with comparable molecular weights and density. They are substances with low volatility since they have vapour pressures lower than 500 Pa and boiling points above 150°C (ECHA guidance R.7C, 2014). The chelates are highly soluble in water that is in agreement with the negative logPow values. The substances are non-flammable, non-explosive and do not possess oxidising properties (on basis of the chemical structure of chelates, they are incapable of reacting exothermically with combustible materials).
Taking into account information above and fact that the only difference between the target substance Ca(2Na)IDHA and the source substance is presence of calcium (Ca) cation instead Cu+ cations, it could be concluded that Ca(2Na)IDHA also does not possess explosive properties.
Reason / purpose for cross-reference:
read-across: supporting information
Reason / purpose for cross-reference:
read-across: supporting information
Reason / purpose for cross-reference:
read-across: supporting information
Qualifier:
according to guideline
Guideline:
EU Method A.14 (Explosive properties)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
Bureau for Chemical Substances, 30/34 Dowborczykow Street, 90-019 Lodz, Poland
Parameter:
other: More sensitive to shock than m-dinitrobenzene
Remarks:
migrated information
Remarks on result:
not measured/tested
Parameter:
other: More sensitive to friction than m-dinitrobenzene
Remarks:
migrated information
Remarks on result:
not measured/tested
Parameter:
other: Explosive under influence of flame
Remarks:
migrated information
Remarks on result:
negative (not further specified)
Remarks:
Explosive transformation of Copper chelate Cu(II) IDHA has been not recognized.
Parameter:
other: Explosive (not specified)
Remarks:
migrated information
Remarks on result:
negative (not further specified)
Remarks:
In the test, explosive transformation of Copper chelate Cu(II) IDHA has been not recognized.

Determination of impact sensitivity

Six trials of testing were carried out of impact sensitivity of Copper chelate Cu(II) IDHA with the dropped weight of 10 kg falling from the height of 40 cm, i.e. impact energy-level equals 40 J. In the test, explosive transformation of Copper chelate Cu(II) IDHA has been not recognized.

Determination of friction sensitivity

Six trials of testing were carried out of friction sensitivity of Copper chelate Cu(II) IDHA with the weight n° 9 placed on the notch n° 6, i.e. stimuli-level equals 360 N. In the test, explosive transformation of Copper chelate Cu(II) IDHA has been not recognized.

Determination of thermal sensitivity

Three trials of testing were carried out of thermal sensitivity of Copper chelate Cu(II) IDHA with orifice plate with diameter 6.0 mm. The degree of destroying in all this trials is "tube unchanged". Three trials of testing were carried out of thermal sensitivity of Copper chelate Cu(II) IDHA with orifice plate with diameter 2.0 mm and the degree of destroying in all this trials is "bottom of tube bulged out". In the tests with orifice plate with diameter 6.0 mm and 2.0 mm, explosive transformation of Copper chelate Cu(II) IDHA has been not recognized.

Interpretation of results:
non explosive
Remarks:
Migrated information
Conclusions:
Copper chelate Cu(II) IDHA does not have explosive properties according to the criteria of EEC A.14 method.
Executive summary:

Explosive properties of Cu(II)IDHA were determined according to EU Method A.14 in compliance with GLP (Salaciński, 20111). Within the test procedure, the impact sensitivity as well as the friction and the thermal sensitivity were determined. As final result, Cu(II)IDHA does not have explosive properties according to the criteria of the applied test method.

Endpoint:
explosiveness
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
weight of evidence
Study period:
2013-09-09
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP Guideline study
Justification for type of information:
Comparing the chemical structures of the IDHA chelate it is apparent that they are closely related to each other. The chelating agent of the target substances and as well other IDHA chelates is iminodisuccinic acid (IDHA, known as D,L-Aspartic acid N-(1,2-dicarboxyethyl) tetrasodium salt) which is a pentadentate ligand. IDHA binds a central atom through one amine-, and four carboxyl- groups providing free electron pairs of nitrogen and oxygen atoms, respectively. Calcium is the central atom of coordination complexes of Ca(2Na)IDHA chelate.
All IDHA chelates are solids with comparable molecular weights and density. They are substances with low volatility since they have vapour pressures lower than 500 Pa and boiling points above 150°C (ECHA guidance R.7C, 2014). The chelates are highly soluble in water that is in agreement with the negative logPow values. The substances are non-flammable, non-explosive and do not possess oxidising properties (on basis of the chemical structure of chelates, they are incapable of reacting exothermically with combustible materials).
Taking into account information above and fact that the only difference between the target substance Ca(2Na)IDHA and the source substance is presence of calcium (Ca) cation instead Mn+ cations, it could be concluded that Ca(2Na)IDHA also does not possess explosive properties.
Reason / purpose for cross-reference:
read-across: supporting information
Reason / purpose for cross-reference:
read-across: supporting information
Reason / purpose for cross-reference:
read-across: supporting information
Qualifier:
according to guideline
Guideline:
EU Method A.14 (Explosive properties)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
Bureau for Chemical Substances, 30/34 Dowborczykow Street, 90-019 Lodz, Poland
Parameter:
other: More sensitive to shock than m-dinitrobenzene
Remarks:
migrated information
Remarks on result:
not measured/tested
Parameter:
other: More sensitive to friction than m-dinitrobenzene
Remarks:
migrated information
Remarks on result:
not measured/tested
Parameter:
other: Explosive under influence of flame
Remarks:
migrated information
Remarks on result:
negative (not further specified)
Remarks:
Explosive transformation of Mn(2Na)IDHA has been not recognized.
Parameter:
other: Explosive (not specified)
Remarks:
migrated information
Remarks on result:
negative (not further specified)
Remarks:
Mn(2Na)IDHA does not have explosive properties according to the criteria of EEC A.14 method.
Interpretation of results:
non explosive
Remarks:
Migrated information
Conclusions:
The substance Mn(2Na)IDHA has no explosive properties.
Executive summary:

Explosive properties of Mn(2Na)IDHA were determined according to EU Method A.14 in compliance with GLP (Salaciński, 2013). Within the test procedure, the impact sensitivity as well as the friction and the thermal sensitivity were determined. As final result, Mn(2Na)IDHA does not have explosive properties according to the criteria of the applied test method.

Endpoint:
explosiveness
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
weight of evidence
Study period:
June, 2007
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study was conducted by certificated laboratory.
Justification for type of information:
Comparing the chemical structures of the IDHA chelate it is apparent that they are closely related to each other. The chelating agent of the target substances and as well other IDHA chelates is iminodisuccinic acid (IDHA, known as D,L-Aspartic acid N-(1,2-dicarboxyethyl) tetrasodium salt) which is a pentadentate ligand. IDHA binds a central atom through one amine-, and four carboxyl- groups providing free electron pairs of nitrogen and oxygen atoms, respectively. Calcium is the central atom of coordination complexes of Ca(2Na)IDHA chelate.
All IDHA chelates are solids with comparable molecular weights and density. They are substances with low volatility since they have vapour pressures lower than 500 Pa and boiling points above 150°C (ECHA guidance R.7C, 2014). The chelates are highly soluble in water that is in agreement with the negative logPow values. The substances are non-flammable, non-explosive and do not possess oxidising properties (on basis of the chemical structure of chelates, they are incapable of reacting exothermically with combustible materials).
Taking into account information above and fact that the only difference between the target substance Ca(2Na)IDHA and the source substance is presence of calcium (Ca) cation instead Fe+ cations, it could be concluded that Ca(2Na)IDHA also does not possess explosive properties.
Reason / purpose for cross-reference:
read-across: supporting information
Reason / purpose for cross-reference:
read-across: supporting information
Reason / purpose for cross-reference:
read-across: supporting information
Qualifier:
according to guideline
Guideline:
EU Method A.14 (Explosive properties)
GLP compliance:
no
Parameter:
other: Explosive under influence of flame
Remarks:
migrated information
Remarks on result:
negative (not further specified)
Parameter:
other: Explosive (not specified)
Remarks:
migrated information
Remarks on result:
negative (not further specified)

Results

Table 1. Testing of impact sensitivity

                                                                                                                                

Mass of a drop weight [kg]

Height of falling of the drop weigh [cm]

Number of

explosions

trials

10

40

0

6

 

From table 1. it can be seen thatin the test with the dropped weight of 10kg falling from the height of 40cm no explosion transformation of chelate Fe(III)IDHA has been recognized.

Table 2.Testing of friction sensitivity

                                                                                                                                

Stimulus

[N]

Number of

explosions

trials

360

0

6

From table 2. it can be seen thatin the test with the loading device No 9 attached to the lever on notch No 6 (stimulus 360 N) no explosion transformation of chelate Fe(III)IDHA has been recognized.

Table 3.Testing of thermal sensitivity

                                                                                                                             

Test No.

Diameter of the hole [mm]

Weigth of sample [g]

Time from beginning of heating to the end of decomposition, [s]

Confinement after test

Effect

1

6,0

31,83

154 ± 10

unchanged

O

2

2,0

31,10

210 ± 10

unchanged

O

3

 

30,38

139 ± 10

tube split into 2 fragments

E

4

 

15,14

147 ± 10

unchanged

O

5

1,0

32,41

85 ± 10

tube split into 2 fragments

E

From table 3.and presented above discussion, it can be seen thatin the test with the orifice plate diameter equal or bigger than 1.0mm no explosion transformation of chelate Fe(III)IDHA has been recognized.

Interpretation of results:
non explosive
Remarks:
Migrated information
Conclusions:
Chelate Fe(III)IDHA does not present a danger of explosion when submitted to the effect of a flame (thermal sensitivity), or to shock or friction (sensitivity to mechanical stimuli).
Executive summary:

Determined sensitivity ofchelate Fe(III)IDHA to impact is over40J, to friction is over 360 N, and thermal sesnitivity, expressed by limiting diameter is less. According to Appendix to Regulation of Ministry of Health dated28.07.2003 on methods to determine the physico-chemical properties, toxicity and ecotoxicity of chemicals and preparates (Appendix to no 232 p. 2343, dated31 December 2003):

 

chelate Fe(III)IDHAdoes not presenta

danger of explosion when submitted to the effect of a flame (thermal sensitivity), or to shock or friction (sensitivity to mechanical stimuli).

Endpoint:
explosiveness
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
weight of evidence
Study period:
2008-12-17
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Comparing the chemical structures of the IDHA chelate it is apparent that they are closely related to each other. The chelating agent of the target substances and as well other IDHA chelates is iminodisuccinic acid (IDHA, known as D,L-Aspartic acid N-(1,2-dicarboxyethyl) tetrasodium salt) which is a pentadentate ligand. IDHA binds a central atom through one amine-, and four carboxyl- groups providing free electron pairs of nitrogen and oxygen atoms, respectively. Calcium is the central atom of coordination complexes of Ca(2Na)IDHA chelate.
All IDHA chelates are solids with comparable molecular weights and density. They are substances with low volatility since they have vapour pressures lower than 500 Pa and boiling points above 150°C (ECHA guidance R.7C, 2014). The chelates are highly soluble in water that is in agreement with the negative logPow values. The substances are non-flammable, non-explosive and do not possess oxidising properties (on basis of the chemical structure of chelates, they are incapable of reacting exothermically with combustible materials).
Taking into account information above and fact that the only difference between the target substance Ca(2Na)IDHA and the source substance is presence of calcium (Ca) cation instead Zn+ cations, it could be concluded that Ca(2Na)IDHA also does not possess explosive properties.
Reason / purpose for cross-reference:
read-across: supporting information
Reason / purpose for cross-reference:
read-across: supporting information
Reason / purpose for cross-reference:
read-across: supporting information
Qualifier:
according to guideline
Guideline:
EU Method A.14 (Explosive properties)
Deviations:
no
GLP compliance:
not specified
Parameter:
other: More sensitive to shock than m-dinitrobenzene
Remarks:
migrated information
Remarks on result:
not measured/tested
Remarks:
Oznaczona wrażliwość na uderzenie substancji Chelat Zn(II) IDHA wynosi powyżej 40 J.
Parameter:
other: More sensitive to friction than m-dinitrobenzene
Remarks:
migrated information
Remarks on result:
not measured/tested
Remarks:
Oznaczona wrażliwość na tarcie substancji Chelat Zn(II) IDHA wynosi ponad 360 N.
Parameter:
other: Explosive under influence of flame
Remarks:
migrated information
Remarks on result:
not measured/tested
Remarks:
Badana substancja Chelat Zn(II) IDHA nie wykazuje właściwości wybuchowych przy średnicy otworu kryzy większej lub równej 2,0 mm.
Parameter:
other: Explosive (not specified)
Remarks:
migrated information
Remarks on result:
negative (not further specified)

W rozumieniu ujętym w metodzie A.14opisanej w rozporządzeniu Ministra Zdrowia z dnia 28 lipca 2003 r. w sprawie metod przeprowadzania badań właściwości fizykochemicznych, toksyczności i ekotoksyczności substancji i preparatów chemicznych (Dz. U. z dnia 31 grudnia 2003 r.) substancja Chelat Zn(II) IDHAnie stwarza zagrożenia wybuchem.

Conclusions:
Chelat Zn(II) IDHA nie stwarza zagrożenia wybuchem.
Executive summary:

W rozumieniu ujętym w metodzie A.14opisanej w rozporządzeniu Ministra Zdrowia z dnia 28 lipca 2003 r. w sprawie metod przeprowadzania badań właściwości fizykochemicznych, toksyczności i ekotoksyczności substancji i preparatów chemicznych (Dz. U. z dnia 31 grudnia 2003 r.) substancja Chelat Zn(II) IDHA nie stwarza zagrożenia wybuchem.

Description of key information

The target substance Ca(2Na)IDHA does not possess explosive properties.

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

Justification for classification or non-classification

As Ca(2Na)IDHA chelate does not meet criteria for explosive substances acc. Method A.14, the classification ans labeling acc Reg 1272/2008 are not required.