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Spectrum Laboratories Chemical Fact Sheet-Cas 4 1634044 http//www speclab com/compound/c1634044 <br /> Igroundwater,based upon an-estimated Koc of 11 2(3,4,SRC) 1t will not be expected <br />' Ito hydrolyze in soil Butyl methyl ether may be resistant to biodegradation in soil <br /> abased upon screening test data from a study using activated sludge inocula.(6,SRC) <br /> . f Many ethers are known to be resistant to biodegradation(7) AQUATIC FATE If <br /> {t-butyl methyl ether is 1 eleased to water,it will not be expected to significantly <br /> i adsorb to sediment or suspended particulate matter(1,2,SRC),bioconcentrate in <br /> aquatic organnsms(1,2,SRC),hydrolyze,directly photolyze, or photooxidue via <br /> reaction with photochenucally produced Hydroxyl radicals in the water,based upon <br /> estimated physical-chemical properties or analogies to other structurally related <br /> aliphatic ethers(1-3,SRC) t-Butyl methyl ether m surface water will be subject to <br /> Environmenta Fate volatihzation(2,5,SRC) Using a reported Henry's Law constant of 5 87X10-4 <br /> Jatrn-cu m/raole,a half hfe for volatnlizahon of t-butyl methyl ether fzom.a river one <br />' ureter deep flowing 1 misec with a wind velocity of 3 msec has been estimated to ; <br /> be 4 1 hr at 25 deg C(2,SRC) Tlie volatilization half-life from a model pond,which <br /> considers the effect of adsorption,has been estunated to be 2 0 days(6) t-Butyl <br /> 'inethyl ether may be resistant to biodegradation in environmental media based upon <br /> iscreening test data fiom a study using activated sludge inocula(7,SRC) Many ethers <br /> are known to be iesnstant to biodegradation(8) ATMOSPHERIC PATE If t-butyl 1 <br /> :tnethyl ether is released to the atmosphere,it will be expected to exist almost <br />' 'entirely in the vapor phase based upon a reported vapor piegsure of 249 nim.Hg at <br /> '25 deg C It will be susceptible to photooxidation via vapor phase ieactton with <br /> �photochemieally produced hydroxyl radicals An atmospheric half-hfe of 5 6 days at I <br /> r an atmospheric conceutration of 5X10 5 hydioxyl ra6cals per cu cna has been i <br /> calculated for this process based upon a treasured rate constant(I,SRC) Dtiect <br /> photolysis will not be an important removal process since aliphatic ethers do not p <br /> ,absorb light at wavelengths>290 nm. <br /> GROUNDWAT) R t-Butyl methyl ether has been detected'at conch up to SQ ja b ui i <br /> !the Old Bridge aquifer under an industrial plant in South Brunswick Township,N7 <br /> D1 inking Water Impact 1(no sampling dates specified) A contamination abatement system installed at this <br /> aquifer,including 7 extraction wells and a water treatment facility, reduced the <br /> it-butyl methyl ether conn by an estimated 26°10 <br /> 1 <br /> DISCLAIMER - Please Read <br />' Return to <br /> Alpbabetical List of Compounds <br /> ' List of Compounds by CAS Number <br /> List of Sei vices <br /> ' Spectrum Laboratories Home a e <br /> q+ <br /> 1 <br /> of 2 06/10!2003 4 08 <br />