1、=9009276 OOE?3L T20 m,AMER1CP.N SOCIETY FOR TESTING ANDMATERIALS 1916 Raw St.,Philadelphia,Pa.19103 Reprinted from the Annual Book of ASTM Standards,Copyright ASTM If noi limd in the current combined index,will appear in the next edition Shndasd.Specification for n-BBiTYL ACETATE(99.5%GRADE)?This st
2、andard is issued under the f i x e d designation D 3726;the number immediately following the deSignation indicates the year of original adoption or,in the case of revision,the year of lase revision.A number in parentheses indicates the year of last reapprova.A superscript epsiion(e)indicates an edit
3、orial change sin?the Last revision or reapproval.1.scope 1.1 This specificaton covers the properties of 99.5%grade n-butyl acetate.1.2 This material may be suitable for use in.urethane coatings,providing the water content is acceptable.2.Applicable Documents 2.1 ASTM Standards:D 268 M e t h o d s of
4、 Sampling and Testing Vol-atile Solvents and Chemical Intermediates for U s e in Paint,Varnish,Lacquer,and Related Products*D 1078 Test Method for Distillation Range of Volatile Organic Liquids?D 1209 Test Method for Color of Clear Liq-uids(Platinum-Cobalt Scale)?D 1296 Test Method for Odor of Volat
5、ile Sol-vents and Diluents?D 1353 Test Method for Nonvolatile Matter in Volatile Solvents for U s e in Paint,Var-nish,Lacquer,and Related Products2 D 16 13 Test Method for Acidity in Volatile Solvents and Chemical Intermdates Used in Paint,Varnish,Lacquer,and Related products2 D3545 Test Method for
6、Alcohol Content and Purity of Acetate Esters by Gas Chromatography2 D 362 1 Test Method for Water in Acetate Esters?E 1 Specification for ASTM Thermometers3 E 300 Practice for Sampling Industrial 2.2 Federal Standard:PPP-C-2020 Specification for Packaging of ChemidsZ Chemicals,Liquid,Dry,and Paste4
7、3.Properties conform to the following requirements:3.1 Normal butyl acetate(99.5%grade)sha Purity,min,weight%Alcohol(as n-butyl alcohol),ma,weight%Apparent specific gravity,20/20?c 25/25%Below 124T Above 129%Distillation,760 mm H g:Acidity as acetic acid,max,weight%Water,max,weight%Color,max,PtCo sc
8、ale Nonvolatile matter,max,Odor 4.Precautions mg/l mL 99.5 0.5 0.880 to0.883 0.876 to 0.879 none none 0.01,equivalent to 0.09 mg of KOH per gram of sam-ple notmonthan0.10wt%not mon than No.i0 on the platinurncobalt scale 5 nonresidual 4.1 n-butyl acetate is a flammable liquid,Its vapors form explosi
9、ve mixtures with air.Re-peated or prolonged contact may cause drying of the skin.Consult supplier?s Material Safety Data Sheet for specific hazard information.5.Sampling ance with Practice E 300.5.1 The material shail be sampled in accord-?This specification is under the jurisdiction of ASTM Com-mit
10、tee D-l on Paint and Related Coating and Materials and is the direct responsibility of Subcommittee DO1.35 on Solvents,Plasticizers,and Chemical Intermediates.Current edition approved April 27,1984.Published Sepiem-ber 1984.Onginally published as D 3726-79.Last previous edition D 3726-79.Annual Bwk
11、o f ASTM Slandards,Vol 06.03.Annual Book ofASTM Siandar&Vols 03.04 and 05.03.?Superintendent of Documents,U.S.Government Rinting Onlce,Washington,DC 20402.NOTICE:This standard has either been superseded and replaced by a new version or discontinued.Contact ASTM International(www.astm.org)for the lat
12、est information.=900927b 0029382 967 W ri#6.Test Methods 6.1 The properties enumerated in this speci-fication shall be determined in accordance with the following ASTM test methods:6.1.1 Purity and Alcohol Content-Test Method D 3545.6.1.2 Apparent Specific Gravity-Determine the apparent specific gra
13、vity by any convenient method that is accurate to the third decimal place,the temperature of both specimen and water being 20 or 25C.See Section 4 of Methods D 268.6.1.3 Distillation Range-Test Method D 1078,using an ASTM Solvents Distillation Thermometer 41C having a range from 98 to 152C and confo
14、rming to the requirements in Specification E 1.6.1.4 Acidity-Test Method D 16 13.D 3726 6.1.5 Water-Test Method D 362 1.NOTE 1-The precision of Test Method D 3621 is not sufficient to support a maximum water limit below O.10 wt%.Therefore,should the end use of this product require that water be belo
15、w 0.10 wt%,the purchaser and the supplier must agree on a test method that has the necessary precision.6.1.6 Color-Test Method D 1209.6.1.7 Nonvolatile Matter-Test Method 6.1.8 Odor-Test Method D 1296.D 1353.7.Packaging and Package Marking 7.1 Package size is to be agreed upon between purchaser and
16、supplier.7.2 Packaging shall conform to applicable car-rier rules and regulations or when specified shall conform to Fed.Spec.PPP-C-2020.The American Society for Testingand Materials takes no position respecting the validity o f any patent rights asserted in connection with any item mentioned in this standard.Users o f this standard are expressly advised that determination o f the validity o f any such pateni rights#and the risk o f infiinsement o f such rights,are entirely their own responsibil