conlen surfactant technology, inc. 1 438 5 ko alstad r d ? con r oe, tx 7 730 2 ? tel: 9 3 6 - 23 1-30 04 ? fax : 936- 231 -3 002 e-m a i l: sales@csttexas.c o m ? w e bsite: www.csttex a s.co m CST-2825 multi-purpose iron complexing agent product featur es * highly effective ir o n c o mple xi ng ag en t * eliminates ir on slu d g e * excell ent for use in all a c ids * eliminates re-preci pitati o n * nonio n ic organ ic comp ou nd * compatib le w i t h other ad di tives product desc ripti o n cst - 282 5 is a po w e rf ul re duci ng ag ent for ferric iron i n acids, suc h as those commo nl y use d in oil w e ll tre a tin g . it is a n oni on ic o r gan ic comp ou nd that is c o m patib le w i t h a l l common ac id a dditiv e s. red u c es acid emuls i ons ca use d b y iron sl udg e, a nd prev ents a s pha lten e slud gin g caus ed b y dissolv ed ir on duri ng the ac idi z ing pr ocess. reco mmen d ed appli c atio n cst - 282 5 is u s ed in oil w e l l acidiz in g if ferr ic iro n -i nduc ed slud gin g or ferr ic-iron r epr ecip itation is a pot entia l pro b l e m. normal usa g e levels are 2 to 5 g a ll ons of cst - 282 5 pe r 1,000 gal lo ns of acid. t h is app licati on of cst - 282 5 w i ll rapi dl y re duce y e llo w f e rric i r on to the c o l o rless, sol u b l e ferrous form o f iron i n h y d r o c hloric aci d so lutio n s. cst- 282 5 p e rforms in other com m on oilfi e ld aci d s as w e l l . t h e use of cst - 2 825 h a s n o t bee n fo und to interfer e w i t h performa nce of other common acid ad ditiv e s. typical p h ysical p r op ertie s form , @ 70f liquid densit y , (lbs/gal) 10.8 f l ash po in t , f (t cc) > 200 pour poi n t , f <20 ph , (10% solut i on) 1 . 0-3.0 ionic cha r ge nonionic solub ility fresh water miscible high t d s brine miscible h y droc arbo n insoluble acid s o luble ___ __ ___ __ __ ___ __ ___ __ __ ___ __ ___ __ __ ___ __ ___ __ _ shippin g and han d l ing cst - 282 5 is avail a b l e i n 5 5 gal lon drum s and bu lk ta nk w a g ons. as w i th an y i ndiv i d u a l ch emica l , a v oid prol on ged contact w i t h skin. in case of skin or e y e contact, fl ush expos ed ar ea w i t h cop i ous a m ounts of w a t e r. a material safet y data she e t outli ni ng pro per h a n d li ng of this pr od uct is avail a b l e u p o n requ est, or w i ll be for w arde d up on the purch ase of c s t - 2825 . tds-06 97 the information i n this bulletin is believed to be accurate, but all recommendations are made w i th o u t w a rr ant y, since the condi tions of use are be y ond the ma n u facturer?s control. the listed properties are illustrative onl y , an d not pro duct spe c ificat ions. the manufacture r disclaims any liability in connection w i th the use of t he information, and does not w a r r ant against in fringement b y reason of the use of any of it?s products in combination w i th other mate rials or in an y process.
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