Registration Dossier
Registration Dossier
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EC number: 406-880-6 | CAS number: 88917-22-0 ACETATE DPMA ACROSOLV; ACROSOLV DPMA ACETAT; ACROSOLV DPMA ACETATE; DOWANOL DPMA; DOWANOL DPMA GLYCOL ETHER; DOWANOL DPMA GLYKOL ETHER; ETHER DE GLYCOL DPMA DOWANOL
Endpoint summary
Administrative data
Description of key information
Additional information
Dipropylene glycol methyl ether acetate degrades rapidly in the athmosphere and is hydrolytically stable at pH 4 and 7, but hydrolyzes slowly at pH9 and elevated temperatures. The biodegradation of dipropylene glycol methyl ether acetate in water was investigated in several screening studies. The test methodology used does not allow the conclusion that dipropylene glycol methyl ether acetate is “readily degradable”. However, based on the high levels of biodegradation observed in a modified ready biodegradation test with pre-adapted inoculum it can be classified as “inherently biodegradable fulfilling the criteria”. The test material has low potential for bioaccumulation based on its high water solubility. The estimated log BCF is 0.5 to 3.162 using the EPIWIN Software. The adsorption coefficient (Log Koc) for dipropylene glycol methyl ether acetate was estimated to be 2.27 ± using the OECD Draft Document ‘Estimation of the Adsorption Coefficient (KOC) on Soil and on Sewage Sludge using High Performance Liquid Chromatography (HPLC)’, August 1999. A Level III fugacity model was used to predict the environmental distribution and transport of dipropylene glycol methyl ether acetate between environmental compartments (air, water, soil, and sediments). This substance has high water solubility, a very low vapor pressure, and low log Kow. The substance therefore has a low potential for adsorption to soil or sediments, and a low potential to volatilize from water or soil to the atmosphere. If released to air, the substance will react with hydroxyl radicals. If released directly to water, the most probable emission route based on physical properties and use patterns, most of the substance will remain in the water compartment and is expected to be biodegraded. If released to soil, the substance is expected to be biodegraded.
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