1、9009276 0020096 593 Designation:D 303-85 4Cni AMERICAN SOCIETY FOR TESTING AND MATERIALS 1916 Race St.Philadelphia,Pa.19103 Reprinted from the Annual Book of A S W Standards,Copyright ASTM If not listed in the current combinad index,will appeai in the next edition.Standard Specification for/+BUTYL A
2、CETATE(90 TO 92%GRADE)This standard is issued under the fixed designation D 303;the number immediately following the designation indicates the year of original adoption or,in the case of revision,the year of lasi revision.A number in pamntheses indicates the year of last reapproval.A superscript eps
3、ilon(e)indicates an editorial change since the last revision or reapproval.1.scope 1.1 This specification covers n-butyl acetate(90 to 92%grade).i.2 This standard may involve hazardous ma-terials,operations,and equipment.This standard does not purport to address all o f the safety prob lems associat
4、ed with its use.it is the responsibil-ity oj whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability o f regulatory limi-tations prior to use.For specific precautionary statements,see Section 4.2.Applicable Documents 2.i ASTM Standa
5、rds:D268 Methods of Sampling and Testing Vol-atile Solvents and Chemical Intermediates for U s e in Paint,and Related Coatings and Materials2 D89i Test Methods for Specific Gravity of Industrial Chemicals3 D i078 Test Method for Distillation Range of Volatile Organic Liquids D 1209 Test Method for C
6、olor ofclear Liquids(Platinum-Cobalt Scale)2 D 1296 Test Method for Odor of Volatile Sol-vents and Diluents D 1353 Test Method for Nonvolatile Matter in Volatile Solvents for Use in Paint,Var-nish,Lacquer and Related Products2 D 1364 Test Method for Water in Volatile Solvents(Fischer Reagent Titrati
7、on Method)*D 1476 Test Method for Heptane Miscibility of Lacquer Solvents2 D i613 Test Method for Acidity in Volatile Solvents and Chemical Intermediates Used in Paint,Varnish,Lacquer and Related Products2 D 1617 Test Method for Ester Value of Sol-E 1 Specification for ASTM Thermometers E 300 Practi
8、ce for Sampling Industrial Chemi-2.2 US.Federal Specification:PPP-C-2020 Federal Specification Packaging vents and Thinnem2 cals2 of Chemicals,Liquid,Dry,and Paste 3.Properties conform to the following requirements:3.1 n-Butyl acetate(90 to 92%grade)shall Apparent specific gravity:2o/2o0c 0.874 to 0
9、.876 25/25*C 0.870 to 0.872 Color Pt-Co scale,IO max Distillation range,760 mmHg:Below I18.0C none Above 128.oC none Nonvolatile matter,5 mg/IO mL max Odor nonredisual Water,wi%,max 0.2 This quantitative water limit en-sures that the material is miscible without turbidity with 19 volumes of 99 Z hep
10、tane at 20C.0.01,equivalent to 0.093 mg of KOH per gram of sample 9 0.0 to 92.0 Ester value,wt%90-92 Acidityasaceticacid,wt Z max I This specification is under the jurisdiction of ASTM Com-mittee DI on Paint and Related Coatings and Materials and is the direct responsibility of Subcommittee W1.35 on
11、 Solvents Plasticizers,and Chemical Intermediates.Current edition approved Jan.25,1985.Published March 1985.Originally published as D 303-29 T.Last previous edi-tion D 303-80.Annual Book o/ASTM Standards,Vol 06.03.Annual Book ofASTM Siandurcis,Vol 15.05.Annual Book ofASTMSlandards,Vol 14.01.Availabl
12、e from Naval Publications and Forms Center,5801 Tabor Ave.,Philadelphia,PA 19120.1 NOTICE:This standard has either been superseded and replaced by a new version or discontinued.Contact ASTM International(www.astm.org)for the latest information.9009276 e m 4.Precautions 4.1 n-Butyl acetate is a flamm
13、able liquid.Its vapors can form explosive mixtures with air.Repeated or prolonged contact may cause drying of the skin.Consult suppliers Material Safety Data Sheet for specific hazard information.5.Sampling ance with Recommended Practice E 300.6.Test Methods 6.1 The properties enumerated in this spe
14、ci-fication shall be determined in accordance with the following ASTM methods:6.I.I Apparent Specific Gravity-Determine the apparent specific gravity at 20 or 25C by a convenient method that is accurate to the third decimal place.See Methods D 268 or Test Meth-ods D 891.5.1 The material shall be sam
15、pled in accord-00200q7 42T D 303 6.1.2 Color-Method D 1209.6.1.3 Distillation Range-Test Method D 1078,using an ASTM Solvents Distillation Thermometer 41C having a range from 98 to 152C and conforming to the requirements in Specification E 1.6.1.4 Nonvolatile Matter-Test Method D 1353.6.1.5 Odor-Tes
16、t Method D 1296.6.1.6 Water-Test Method D 1364 and 6.1.7 Acidity-Test Method D 16 13.6.1.8 Ester Value-Test Method D 16 17.D 1476.7.Packaging and Package Marking 7.1 Package size shall be agreed upon by the purchaser and the 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 Testing and Materials takes no position respecting the validity of any patent rights asserted in connection with
