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EC number: 211-334-3
CAS number: 638-38-0
The vapour pressure of Manganese (II) acetate was determined as well as estimated to be < 10 mm Hg at 25°C which is equal to < 13 hPa at 25°C.
The information gained from these studies
was used for this endpoint summary because they are the only available studies,
revealing equivalent results.
The experimental data were determined similar
to OECD guideline 104 using the dynamic method. the vapour pressure was determined
to be <10 mm Hg, which corresponds to 1.333 x 10³ Pa. The study
was classified as reliable with restrictions, consequently the result
can be considered as reliable and sufficient to cover this endpoint.
Additionally, data are taken from a
peer-reviewed handbook and consequently considered to be reliable. The
underlying considerations to determine this endpoint meet general
scientific principles: Inorganic salts themselves, have in general a
very high melting point and very low vapour pressure. Although no data
on manganese (II) acetate itself were given, the vapour pressure can be
estimated by read-across based on grouping of substances (category
approach) based on similar molecular structure ( inorganic ionic
structure). So it can be concluded that the vapour pressure of manganese
(II) acetate is very low under normal environmental conditions, i.e. <10
mm Hg at 25°C.
The vapour pressure of Manganese (II)
acetate of < 10 mm Hg resp. < 13 hPa at 25°C can consequently be used to
assess the possible risk to health and environment arising from its
physico-chemical properties. With this low vapour pressure, the
formation of inhalable form is very unlikely and consequently the risk
adverse effects due to inhalation of manganese (II) acetate can be
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