1、Designation: D6368 06 (Reapproved 2012)Standard Specification forVapor-Degreasing Solvents Based on normal-PropylBromide and Technical Grade normal-Propyl Bromide1This standard is issued under the fixed designation D6368; the number immediately following the designation indicates the year oforiginal
2、 adoption or, in the case of revision, 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. Scope1.1 This standard covers solvents based on stabilizednormal-propyl brom
3、ide (nPB) for use in vapor degreasing. Thestandard also includes a separate specification for technical-grade n-propyl bromide.1.2 Blends and azeotropic mixtures of stabilized nPB forvapor-degreasing shall be blended from nPB meeting thespecification for technical-grade nPB.NOTE 1Practices D3844 and
4、 D4276 and MNL22provide additionalimportant information on vapor degreasing and solvent properties.2. Referenced Documents2.1 ASTM Standards:3D1078 Test Method for Distillation Range of Volatile Or-ganic LiquidsD2108 Test Method for Color of Halogenated OrganicSolvents and Their Admixtures (Platinum
5、-Cobalt Scale)D2109 Test Methods for Nonvolatile Matter in HalogenatedOrganic Solvents and Their AdmixturesD2111 Test Methods for Specific Gravity and Density ofHalogenated Organic Solvents and Their AdmixturesD2251 Test Method for Metal Corrosion by HalogenatedOrganic Solvents and Their AdmixturesD
6、2942 Test Method for Total Acid Acceptance of Haloge-nated Organic Solvents (Nonreflux Methods)D2989 Test Method for Acidity-Alkalinity of HalogenatedOrganic Solvents and Their AdmixturesD3401 Test Methods for Water in Halogenated OrganicSolvents and Their AdmixturesD3741 Test Methods for Appearance
7、 of Admixtures Con-taining Halogenated Organic SolventsD3844 Guide for Labeling Chlorinated Hydrocarbon Sol-vent ContainersD4276 Practice for Confined Area EntryD4755 Test Method for Free Halogens in HalogenatedOrganic Solvents and Their Admixtures2.2 Other Documents:429 CFR 1919.1200 Department of
8、Labor, OSHA Regula-tions on Hazard Communications449 CFR 100 to 199 Department of Transportation Hazard-ous Materials Regulations3. Properties3.1 Vapor-degreasing solvents based on stabilized normal-propyl bromide shall conform to the requirements prescribed inTable 1. The metal corrosion tests desc
9、ribed in Test MethodD2251 (test at reflux temperature only) shall be performed withaluminum (Al 1100). It is recommended, but not a requirementof this specification, that this test also be carried out by the enduser on all metal alloys expected to contact the solvent duringthe intended storage and u
10、se.3.2 Blends and azeotropic mixtures of stabilized nPB withother materials for use in vapor degreasing shall be preparedfrom technical-grade nPB which conforms to the requirementsprescribed in Table 2.4. Packaging4.1 Industrial or commercial quantities shall be packagedand labeled in accordance wit
11、h DOT regulations as found in 49CFR 100 to 199 and state and local regulations, and withOSHA Regulations found in 29 CFR 1910.1200.5. Keywords5.1 normal-propyl bromide; 1-bromopropane; vapor-degreasing solvent1This specification is under the jurisdiction of ASTM Committee D26 onHalogenated Organic S
12、olvents and Fire Extinguishing Agents and is the directresponsibility of Subcommittee D26.02 on Vapor Degreasing.Current edition approved March 1, 2012. Published June 2012. Originallyapproved in 1999. Last previous edition approved in 2006 as D6368 05 (2006).DOI: 10.1520/D6368-06R12.2Manual on Vapo
13、r Degreasing, MNL2, Third Edition, ASTM.3For 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 page onthe ASTM website.4The Code of Federal
14、Regulations may be obtained from the U.S. GovernmentPrinting Office Superintendent of Documents, 732 N. Capitol St., NW, Mail Stop:SDE, Washington, DC 20401, http:/www.access.gpo.gov.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.AS
15、TM 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 e
16、ntirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standards
17、and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee
18、 on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or
19、 at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).TABLE 1 Properties of Vapor-Degreasing Solvents Based onStabilized n-P
20、ropyl BromideProperty SpecificationTestMethodBoiling point, C, min 65 75 D1078Acidity (as HCl), weight %, max 0.0010 D2989Water, weight %, max 0.0150 D3401Appearance clear and free fromsuspended matterD3741Color, APHA, max 15 D2108Free halogen passes test D4755Nonvolatile residue, weight %, max 0.00
21、10 D2109Acid acceptance (as NaOH), weight %, min 0.15 D2942Aluminum corrosion at reflux no evidence oftarnish orcorrosion whencompared with asimilar untestedstripD2251normal-propyl bromide content, weight %, min 90 GCiso-propyl bromide content, weight %, max 0.05 GCTABLE 2 Properties of Technical-Gr
22、ade n-Propyl BromideProperty SpecificationTestMethodSpecific gravity, 25/25C 1.34 1.35 D2111Boiling point, C 70 71 D1078Acidity (as HCl), weight %, max 0.0010 D2989Water, weight %, max 0.0100 D3401Appearance clear and free fromsuspended matterD3741Color, APHA, max 15 D2108Free halogen passes test D4755Nonvolatile residue, weight %, max 0.0010 D2109normal-propyl bromide content, weight %, min 99.5 GCiso-propyl bromide content, weight %, max 0.05 GCD6368 06 (2012)2
