1、Designation: D 4701 00 (Reapproved 2006)Standard Specification forTechnical Grade Methylene Chloride1This standard is issued under the fixed designation D 4701; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revis
2、ion. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification covers technical grade meth
3、ylenechloride.1.2 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 health practices and determine the applica-bility of regulatory limitations prior to use.N
4、OTE 1See Practices D 3844 and D 4276 and STP 403A2for addi-tional important information on solvent handling and solvent properties.2. Referenced Documents2.1 ASTM Standards:3D 2108 Test Method for Color of Halogenated OrganicSolvents and Their Admixtures (Platinum-Cobalt Scale)D 2109 Test Methods fo
5、r Nonvolatile Matter in Haloge-nated Organic Solvents and Their AdmixturesD 2111 Test Methods for Specific Gravity and Density ofHalogenated Organic Solvents and Their AdmixturesD 2989 Test Method for Acidity-Alkalinity of HalogenatedOrganic Solvents and Their AdmixturesD 3401 Test Methods for Water
6、 in Halogenated OrganicSolvents and Their AdmixturesD 3741 Test Methods for Appearance of Admixtures Con-taining Halogenated Organic SolventsD 3844 Guide for Labeling Chlorinated Hydrocarbon Sol-vent ContainersD 4276 Practice for Confined Area EntryD 4755 Test Method for Free Halogens in Halogenated
7、Organic Solvents and Their AdmixturesE 300 Practice for Sampling Industrial Chemicals2.2 Federal Documents:29 CFR, Section 1910.1200 Department of Labor, OSHARegulations on Hazard Communication449 CFR, Sections 100 to 199 Department of TransportationHazardous Materials Regulations43. Chemical Proper
8、ties3.1 Technical grade methylene chloride shall conform to therequirements prescribed in Table 1.4. Sampling4.1 Conduct sampling by any of the appropriate proceduresfor simple liquids as specified in Practice E 300.5. Packaging and Package Marking5.1 Package and label industrial or commercial quant
9、ities inaccordance with DOT regulations in 49 CFR 100 to 199, inaccordance with state and local regulations, and with OSHAregulations found in 29 CFR 1910.1200.6. Keywords6.1 dichloromethane; methylene chloride1This specification is under the jurisdiction of ASTM Committee D26 onHalogenated Organic
10、Solvents and Fire Extinguishing Agents and is the directresponsibility of Subcommittee D26.03 on Cold Cleaning.Current edition approved Jan. 1, 2006. Published February 2006. Originallyapproved in 1987. Last previous edition approved in 2000 as D 4701 00.2Cold Cleaning with Halogenated Solvents, AST
11、M STP 403 A, ASTM, 1981.3For 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 Regulations, is
12、available from the Superintendent ofDocuments, U.S. Government Printing Office, Washington, DC 20402.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.ASTM International takes no position respecting the validity of any patent rights as
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15、eive 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 on Standards, at the address shown below.This standard is copyrighted by ASTM Int
16、ernational, 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 at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or thro
17、ugh the ASTM website(www.astm.org).TABLE 1 Requirements for Technical Grade Methylene ChlorideProperty Specification MethodAppearance clear and free fromsuspended matterD 3741Color, Pt-Co units, maxSpecific gravity, 25/25CDistillating range (760 mm Hg)201.318 to 1.323D 2108D 2111initial boiling point, C, mindry point, C, max39.041.0Nonvolatile residue, weight %, max 0.002 D 2109Acidity (as HCl), weight %, max 0.0005 D 2989Water, weight %, max 0.0100 D 3401Free halogens none detected D 4755D 4701 00 (2006)2
