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EC number: 927-344-2
CAS number: -
Hydrolysis is a reaction in which a water
molecule or hydroxide ion substitutes for another atom or group of atoms
present in a chemical resulting in a structural change of that chemical.
Potentially hydrolyzable groups include alkyl halides, amides,
carbamates, carboxylic acid esters and lactones, epoxides, phosphate
esters, and sulfonic acid esters. The lack of a suitable leaving group
renders compounds resistant to hydrolysis.
The chemical constituents that comprise
hydrocarbons, C9-C10, n-alkanes, isoalkanes, cyclics, aromatics (2-25%),
consist entirely of carbon and hydrogen and do not contain hydrolyzable
groups. As such, they have a very low potential to hydrolyze. Therefore,
this degradative process will not contribute to their removal from the
Phototransformation in air:
Standard tests for atmospheric oxidation
half-lives are intended for single substances and are not appropriate
for this complex substance. However, this endpoint is characterized
using quantitative structure property relationships for representative
hydrocarbon structures that comprise the hydrocarbon blocks used to
assess the environmental risk of this substance with the PETRORISK model
(see library tab in PETRORISK spreadsheet attached to IUCLID section 13).
Phototransformation in water and soil:
The direct photolysis of an organic molecule
occurs when it absorbs sufficient light energy to result in a structural
transformation. The absorption of light in the ultra violet (UV)
-visible range, 110-750 nm, can result in the electronic excitation of
an organic molecule. The stratospheric ozone layer prevents UV light of
less than 290 nm from reaching the earth's surface. Therefore, only
light at wavelengths between 290 and 750 nm can result in photochemical
transformations in the environment.
A conservative approach to estimating a
photochemical degradation rate is to assume that degradation will occur
in proportion to the amount of light wavelengths >290 nm absorbed by the
molecule. This substance contains hydrocarbon molecules that absorb UV
light below 290 nm, a range of UV light that does not reach the earth's
surface. Therefore, this substance does not have the potential to
undergo photolysis in water and soil, and this fate process will not
contribute to a measurable degradative loss of this substance from the
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.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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