Registration Dossier
Registration Dossier
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EC number: 246-332-1 | CAS number: 24593-34-8
Flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- substances / mixtures which in contact with water emit flammable gases
- 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 soluble in water to form a stable mixture
- Endpoint:
- flammable solids
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- other:
- 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
Referenceopen allclose all
Description of key information
Testing of flammability does not appear scientifically necessary according to Regulation (EC) No 1907/2006, Annex XI, Section 1.
- Testing of flammability of solids (A.10) and gases (A.11) is not considered to be required, since flammability tests with two metal carboxylates with the highest carbon content did not show flammable properties, thus 2-ethylhexanoic acid, cerium salt is less combustible than the two tested substances.
- Testing for flammability in contact with water (A.12) is not considered to be required, because 2-ethylhexanoic acid, cerium salt does not contain groups that might lead to a reaction with water or damp air, leading to the development of dangerous amounts of gas or gases which may be highly flammable.
- Testing of pyrophoric properties of solids and liquids (A.13) is not considered to be required, since 2-ethylhexanoic acid, cerium salt is stable at ambient temperature. It does not contain any chemical group that might lead to spontaneous ignition a short time after coming in contact with air at room temperature (approx. 20 °C).
Key value for chemical safety assessment
- Flammability:
- not classified
Additional information
Flammability
A test on the flammability according to EC method A.10. was recently conducted for two solid substances (within the RMC substance portfolio) representing
(i) one metal carboxylates with the highest hydrocarbon content and a cation in the highest oxidation state Ca(+II): fatty acids, tall-oil, calcium salts (89 % hydrocarbon content)
(ii) one metal carboxylate with a high carbon content and a cation in a low oxidation state Mn(+II): manganese bis(2-ethylhexanoate) (83.9 % hydrocarbon content).
Both tests yielded a result of “not flammable”. Since 2-ethylhexanoic acid, cerium salt is also an inorganic metal carboxylate containing the metal cation in the highest oxidised status Ce(+III) and an anion of an acid which is less susceptible to any form of oxidation than both substances (i.e. a lower hydrocarbon content ~ 80 %), 2-ethylhexanoic acid, cerium salt is thus intrinsically less combustible than the two tested substances. Further testing is not required in accordance with Regulation (EC) No 1907/2006, Annex XI, Section 1.1.1. A classification as flammable solid is not warranted.
Pyrophoric properties
Testing for pyrophoric properties is not considered to be required, since 2-ethylhexanoic acid, cerium salt is stable at ambient temperature. It does not contain any chemical groups that might lead to spontaneous ignition a short time after coming in contact with air at room temperature (ca. 20 °C). Furthermore, long-term industrial experience in handling shows that 2-ethylhexanoic acid, cerium salt does not ignite in contact with air (in accordance with Regulation (EC) No 1907/2006, Annex XI, Section 1).
Flammability in contact with water
Testing for flammability in contact with water is not considered to be required, because 2-ethylhexanoic acid, cerium salt does not contain groups that might lead to a reaction with water or damp air, leading to the development of dangerous amounts of gas or gases which may be highly flammable. Furthermore, long-term industrial experience in practical handling of 2-ethylhexanoic acid, cerium salt shows that it does not react with water, and recent experimental testing for water solubility has also not reported any formation of gases (in accordance with Regulation (EC) No 1907/2006, Annex XI, Section 1.2).
Justification for classification or non-classification
2-ethylhexanoic acid, cerium salt does not need to be classified according to CLP Regulation (EC) No 1272/2008 since it is not highly flammable.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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