1、Designation:D470907(Reapproved 2012)Standard Specification forMethyl Acrylate1This standard is issued under the fixed designation D4709;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses
2、 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 methyl acrylate(99%grade)for use in paint,varnish,lacquer,and related products.1.2 The following applies to all specified limits in t
3、hisstandard;for purposes of determining conformance with thisstandard,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 E29.1.3 The values stated
4、 in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and healt
5、h practices and determine the applica-bility of regulatory limitations prior to use.For specific hazardinformation see Section 4.1.5 For specific hazard information and guidance,see thesuppliers Material Safety Data Sheet for materials listed in thisspecification.2.Referenced Documents2.1 ASTM Stand
6、ards:2D1209 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)D1364 Test Method for Water in Volatile Solvents(KarlFischer Reagent Titration Method)D1613 Test Method for Acidity in Volatile Solvents andChemical Intermediates Used in Paint,Varnish,Lacquer,and Related ProductsD3125 Test Met
7、hod for Monomethyl Ether of Hydroquinonein Colorless Monomeric Acrylate Esters and Acrylic AcidD3362 Test Method for Purity of Acrylate Esters by GasChromatography(Withdrawn 2011)3D5386 Test Method for Color of Liquids Using TristimulusColorimetryE29 Practice for Using Significant Digits in Test Dat
8、a toDetermine Conformance with SpecificationsE300 Practice for Sampling Industrial Chemicals2.2 U.S.Federal Specification:PPP-C-2020 Chemicals,Liquid,Dry,and Paste:Packagingof43.Properties3.1 Methyl acrylate shall conform to the following require-ments:Purity,wt%,min,as methyl acrylate99.5Water,wt%,
9、min0.10Color,Pt-Co units,max(Note 1)in bulk shipments10in drum shipments20Acidity,(free acid acrylic acid),wt%,max0.01Methyl ether of hydroquinoneas agreed upon by the purchaserand the manufacturer_NOTE1Instrumental Pt-Co color determined by Test Method D5386has been shown to have no statistically s
10、ignificant difference from Pt-Cocolor determined by Test Method D1209.However,it is not knownwhether methyl acrylate was part of the sample set included in theinterlaboratory study.4.Hazards4.1 Methyl acrylate is a flammable liquid.Its vapors canform explosive mixtures with air and are particularly
11、irritating.Store samples in amber bottles or protect from light by othermeans to aid in preventing polymerization.Keep samples awayfrom heat sources and chemicals that can cause free radicalpolymerization.Methyl acrylate can polymerize violentlyevolving considerable heat.The inhibitor,methyl ether o
12、fhydroquinone,requires oxygen to be active.5.Sampling5.1 The material shall be sampled in accordance withPractice E300(see Section 4 on Hazards).1This specification is under the jurisdiction of ASTM Committee D01 on Paintand Related Coatings,Materials,and Applications and is the direct responsibilit
13、y ofSubcommittee D01.35 on Solvents,Plasticizers,and Chemical Intermediates.Current edition approved July 1,2012.Published September 2012.Originallyapproved in 1987.Last previous edition approved in 2007 as D4709 07.DOI:10.1520/D4709-07R12.2For referenced ASTM standards,visit the ASTM website,www.as
14、tm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from Standardization Documents
15、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 Conshohocken,PA 19428-2959.United States1 6.Test Methods6.1 The pr
16、operties enumerated in this specification shall bedetermined in accordance with the following ASTM testmethods:6.1.1 PurityTest Method D3362.6.1.2 WaterTest Method D1364.6.1.3 ColorTest Method D1209(see Note 1).6.1.4 AcidityDetermine the acidity in accordance withTest Method D1613,except multiply the results obtained“asacetic acid”by 76.06/60.05 or 1.2.This will convert the resultsobtained to“as acrylic acid.”The results obtained“as mg KOHper g of sample”are unaffected.6.1.5 Methyl Ether of Hydr
