This specification covers the requirements for vapor-degreasing grade and general solvent grade 1,1,1-trichloroethane. High purity grades are also available but should not be evaluated by this specification. Both grades shall be undergo tests and should conform accordingly to the following properties: specific gravity; distillation range (initial boiling point and dry point); acidity (as HCl); alkalinity and acid acceptance (as NaOH); water content; appearance; color (Pt-Co scale); halide (as Cl-) content; nonvolatile residue content; performance in aluminium scratch test; and purity.
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1.1 This specification covers vapor-degreasing grade and general solvent grade 1,1,1-trichloroethane. High purity grades of 1,1,1-trichloroethane are available but should not be evaluated by this specification.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Note 1—Practices D3844 and D4276, STP 403A and MNL2 provide additional important information on vapor degreasing and solvent properties.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1078 Test Method for Distillation Range of Volatile Organic Liquids
D2108 Test Method for Color of Halogenated Organic Solvents and Their Admixtures (Platinum-Cobalt Scale)
D2109 Test Methods for Nonvolatile Matter in Halogenated Organic Solvents and Their Admixtures
D2111 Test Methods for Specific Gravity and Density of Halogenated Organic Solvents and Their Admixtures
D2942 Test Method for Total Acid Acceptance of Halogenated Organic Solvents (Nonreflux Methods)
D2943 Test Method for Aluminum Scratch of 1,1,1-Trichloroethane to Determine Stability
D2988 Test Methods for Water-Soluble Halide Ion in Halogenated Organic Solvents and Their Admixtures
D2989 Test Method for Acidity-Alkalinity of Halogenated Organic Solvents and Their Admixtures
D3401 Test Methods for Water in Halogenated Organic Solvents and Their Admixtures
D3741 Test Methods for Appearance of Admixtures Containing Halogenated Organic Solvents
D3844 Guide for Labeling Chlorinated Hydrocarbon Solvent Containers
D4276 Practice for Confined Area Entry
D6806 Practice for Analysis of Halogenated Organic Solvents and Their Admixtures by Gas Chromatography
49 CFR 100 to 199 Department of Transportation Hazardous Materials Regulations
1,1,1-trichloroethane; methyl chloroform; vapor-degreasing solvent;
ICS Number Code 71.100.99 (Other products of the chemical industry)
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