1、Designation:D237807(Reapproved 2012)Standard Specification forFormaldehyde 50%Grade Uninhibited and 37%GradeInhibited and Uninhibited1This standard is issued under the fixed designation D2378;the number immediately following the designation indicates the year oforiginal adoption or,in the case of re
2、vision,the year of last revision.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 50%uninhibited formalde-hyde and 37%uninhibited and inhibited formaldehyde.1.
3、2 The following applies to all specified limits in thisstandard;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 round
4、ing-off method of Practice E29.1.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.4 For specific hazard information and guidance,see thesuppliers Material Safety Data Sheet for materials listed in thisspecification.2.Reference
5、d Documents2.1 ASTM Standards:2D891 Test Methods for Specific Gravity,Apparent,of LiquidIndustrial ChemicalsD1209 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)D2087 Test Method for Iron in Formaldehyde SolutionsD2194 Test Method for Concentration of FormaldehydeSolutionsD2379 Test Me
6、thod for Acidity of Formaldehyde SolutionsD2380 Test Method for Methanol Content of FormaldehydeSolutionsD5386 Test Method for Color of Liquids Using TristimulusColorimetryE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE300 Practice for Sampling Ind
7、ustrial Chemicals2.2 U.S.Federal Standard:PPP-C-2020 Federal Specification For Packaging ofChemicals,Liquid,Dry,and Paste33.Properties3.1 The physical and chemical properties of formaldehyde,50%uninhibited and 37%uninhibited and inhibited,shallconform to the requirements specified in Table 1.NOTE1In
8、strumental Pt-Co color determined by Test Method D5386has been shown to have no statistically significant difference from Pt-Cocolor determined by Test Method D1209.However,it is not knownwhether formaldehyde was part of the sample set included in theinterlaboratory study.4.Sampling4.1 The material
9、shall be sampled in accordance withPractice E300.5.Hazards5.1 Formaldehyde and formaldehyde solutions are toxic andexposure to them should be minimized to avoid acute effectsand possible sensitizing.Consult the suppliers Material SafetyData Sheet for specific hazard information.6.Test Methods6.1 The
10、 properties enumerated in this specification shall bedetermined in accordance with the following ASTM testmethods:6.1.1 Apparent Specific GravityTest Methods D891.6.1.2 Formaldehyde ContentTest Method D2194.6.1.3 AcidityTest Method D2379.6.1.4 ColorTest Method D1209(see Note 1).6.1.5 IronTest Method
11、 D2087.6.1.6 Methanol ContentTest Method D2380.7.Packaging and Package Marking7.1 Package size to be agreed upon between the purchaserand supplier.1This specification is under the jurisdiction of ASTM Committee D01 on Paintand Related Coatings,Materials,and Applications and is the direct responsibil
12、ity ofSubcommittee D01.35 on Solvents,Plasticizers,and Chemical Intermediates.Current edition approved July 1,2012.Published September 2012.Originallyapproved in 1965.Last previous edition approved in 2007 as D2378 07.DOI:10.1520/D2378-07R12.2For referenced ASTM standards,visit the ASTM website,www.
13、astm.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.3Available from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC
14、20401,http:/www.access.gpo.gov.*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 7.2 Packaging shall conform to applicable carrier rules andregulations or when specified shall
15、 conform to Fed.Spec.PPP-C-2020.8.Keywords8.1 acidity;color;formaldehyde;methanolSUMMARY OF CHANGESCommittee D01.35 has identified the location of selected changes to this standard since the last issue(D2378-02)that may impact the use of this standard.(Approved June 1,2007.)(1)Added new Note 1 to Ta
16、ble 1.(2)Added Test Method D5386 to list of Referenced Docu-ments.(3)Referenced new Note 1 in 6.1.4.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsible
