1、Designation:D483508(Reapproved 2012)Standard Specification forPropylene Glycol Monomethyl Ether Acetate1This standard is issued under the fixed designation D4835;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revisi
2、on.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers propylene glycol monomethylether acetate(PMA).NOTE1Propylene glycol monomethyl ether acetate(PMA)is amixtur
3、eof1-methoxy-2-acetoxypropaneand2-methoxy-1-acetoxypropane.1.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.3 The following applies to all specified limits in thisstandard;for purposes of determining conformance with thissta
4、ndard,an observed value or a calculated value shall berounded off“to the nearest unit”in the last right-hand digitused in expressing the specification limit,in accordance withthe rounding-off method of Practice E29.1.4 For specific hazard information and guidance,consultthe suppliers Material Safety
5、 Data Sheet for materials listed inthis standard.2.Referenced Documents2.1 ASTM Standards:2D1078 Test Method for Distillation Range of Volatile Or-ganic LiquidsD1209 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)D1364 Test Method for Water in Volatile Solvents(KarlFischer Reagent Titr
6、ation Method)D1613 Test Method for Acidity in Volatile Solvents andChemical Intermediates Used in Paint,Varnish,Lacquer,and Related ProductsD4773 Test Method for Purity of Propylene Glycol Monom-ethyl Ether,Dipropylene Glycol Monomethyl Ether,andPropylene Glycol Monomethyl Ether AcetateD5386 Test Me
7、thod for Color of Liquids Using TristimulusColorimetryE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE300 Practice for Sampling Industrial Chemicals2.2 U.S.Federal Specification:3PPP-C-2020 Chemicals,Liquid,Dry,and Paste:Packagingof3.Properties3.1 P
8、ropylene glycol monomethyl ether acetate(PMA)shallconform to the following requirements:Purity,min,weight%99Color,platinum-cobalt scale,max(Note 2)15Water,max,weight%0.05Distillation range,C:Initial boiling point,min140Dry boiling point,max150Acidity(free acid as acetic acid),max,weight%0.02AGlycol
9、ether,max,weight%0.5AEquivalent to 0.2 mg of potassium hydroxide(KOH)per gram of specimen.NOTE2Instrumental Pt-Co color determined by Test Method D5386have been shown to have no statistically significant difference from Pt-Cocolor determined by Test Method D1209.However,it is not knownwhether propyl
10、ene glycol monomethyl ether acetate was part of thesample set included in the interlaboratory study.4.Sampling4.1 The material shall be sampled in accordance withPractice E300.5.Test Methods5.1 The properties enumerated in this specification shall bedetermined in accordance with the following ASTM t
11、estmethods:5.1.1 Gas Chromatographic MethodTest Method D4773.5.1.2 ColorTest Method D1209(see Note 2).5.1.3 WaterTest Method D1364.5.1.4 AcidityTest Method D1613.5.1.5 Distillation RangeTest Method D1078,using a tem-perature measuring device having a range of 123 to 177C anda resolution of 0.1C.1Thi
12、s specification is under the jurisdiction of ASTM Committee D01 on Paintand Related Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.35 on Solvents,Plasticizers,and Chemical Intermediates.Current edition approved Nov.1,2012.Published November 2012.Originallyapp
13、roved in 1988.Last previous edition approved in 2008 as D4835 08.DOI:10.1520/D4835-08R12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary p
14、age onthe ASTM website.3Available from Standardization Documents Order Desk,DODSSP,Bldg.4,SectionD,700RobbinsAve.,Philadelphia,PA19111-5098,http:/www.dodssp.daps.mil.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West C
15、onshohocken,PA 19428-2959.United States1 6.Packaging and Package Marking6.1 Package size shall be as agreed upon between thepurchaser and the supplier.6.2 Packaging shall conform to applicable carrier rules andregulations or when specified shall conform to Fed.Spec.PPP-C-2020.7.Keywords7.1 PM acetat
16、e;propylene glycol monomethyl ether acetate;solventSUMMARY OF CHANGESCommittee D01.35 has identified the location of selected changes to this standard since the last issue(D4835-03)that may impact the use of this standard.(Approved November 1,2008.)(1)Added new Note Note 2 to 3.1.(2)Added Test Method D5386 to list of Referenced Docu-ments.(3)Referenced new Note 2 in 5.1.2.(4)Modified 5.1.5.ASTM International takes no position respecting the validity of any patent rights asserted in connection wi
