1、Designation: D4701 00 (Reapproved 2011)Standard Specification forTechnical Grade Methylene Chloride1This standard is issued under the fixed designation D4701; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revisio
2、n. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () 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 methyle
3、nechloride.1.2 The values stated in SI units are to be regarded asstandard. No other units of measurement are included in thisstandard.1.3 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 est
4、ablish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.NOTE 1See Practices D3844 and D4276 and STP 403A2for addi-tional important information on solvent handling and solvent properties.2. Referenced Documents2.1 ASTM Standards:3D2108 T
5、est Method for Color of Halogenated OrganicSolvents and Their Admixtures (Platinum-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 AdmixturesD2989 Te
6、st Method for Acidity-Alkalinity of HalogenatedOrganic Solvents and Their AdmixturesD3401 Test Methods for Water in Halogenated OrganicSolvents and Their AdmixturesD3741 Test Methods for Appearance of Admixtures Con-taining Halogenated Organic SolventsD3844 Guide for Labeling Chlorinated Hydrocarbon
7、 Sol-vent ContainersD4276 Practice for Confined Area EntryD4755 Test Method for Free Halogens in HalogenatedOrganic Solvents and Their AdmixturesE300 Practice for Sampling Industrial Chemicals2.2 Federal Documents:29 CFR, Section 1910.1200 Department of Labor, OSHARegulations on Hazard Communication
8、449 CFR, Sections 100 to 199 Department of TransportationHazardous Materials Regulations43. Chemical Properties3.1 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 speci
9、fied in Practice E300.5. Packaging and Package Marking5.1 Package and label industrial or commercial quantities 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; me
10、thylene chloride1This specification is under the jurisdiction of ASTM Committee D26 onHalogenated Organic Solvents and Fire Extinguishing Agents and is the directresponsibility of Subcommittee D26.03 on Cold Cleaning.Current edition approved Aug. 1, 2011. Published November 2011. Originallyapproved
11、in 1987. Last previous edition approved in 2006 as D4701 00 (2006).DOI: 10.1520/D4701-00R11.2Cold Cleaning with Halogenated Solvents, ASTM 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 o
12、f ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.4The Code of Federal Regulations, Available from U.S. Government PrintingOffice Superintendent of Documents, 732 N. Capitol St., NW, Mail Stop: SDE,Washington, DC 20401, http:/www.access.gpo.gov.1Copy
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18、he ASTM website (www.astm.org/COPYRIGHT/).TABLE 1 Requirements for Technical Grade Methylene ChlorideProperty Specification MethodAppearance clear and free fromsuspended matterD3741Color, Pt-Co units, maxSpecific gravity, 25/25CDistillating range (760 mm Hg)201.318 to 1.323D2108D2111initial boiling point, C, mindry point, C, max39.041.0Nonvolatile residue, weight %, max 0.002 D2109Acidity (as HCl), weight %, max 0.0005 D2989Water, weight %, max 0.0100 D3401Free halogens none detected D4755D4701 00 (2011)2
