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ASTM D608-05

(Specification)

Standard Specification for Dibutyl Phthalate

Standard Specification for Dibutyl Phthalate

ABSTRACT
This specification establishes the properties and requirements of 99 % grade dibutyl phthalate. The material shall be sampled and tested suitably, and shall conform to properties as to apparent specific gravity, color (Pt-Co scale), odor, water content, acidity (free acid as phthalic acid), and ester value.
SCOPE
1.1 This specification covers dibutyl phthalate (99 % grade).
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this stnadard.
1.3 The following applies to all specified limits in this standard; for purposes of determining conformance with this standard, an observed value or a calculated value shall be rounded off "to the nearest unit" in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E 29.
1.4 For specific hazard information and guidance, see the supplier's Material Safety Data Sheet for materials listed in this specification.

General Information

Status
Historical
Publication Date
14-May-2005
ICS
87.060.30 - Solvents
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.35 - Solvents, Plasticizers, and Chemical Intermediates
Current Stage
Ref Project

Relations

Replaces
ASTM D608-90(2001) - Standard Specification for Dibutyl Phthalate
Effective Date
15-May-2005
Replaced By
ASTM D608-05(2011) - Standard Specification for Dibutyl Phthalate
Effective Date
01-Feb-2011

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ASTM D608-05 - Standard Specification for Dibutyl PhthalateASTM D608-05 - Standard Specification for Dibutyl Phthalate
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ASTM D608-05 - Standard Specification for Dibutyl Phthalate
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D608 – 05
Standard Specification for
1
Dibutyl Phthalate
This standard is issued under the fixed designation D608; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* D5386 Test Method for Color of Liquids Using Tristimulus
Colorimetry
1.1 Thisspecificationcoversdibutylphthalate(99 %grade).
E29 Practice for Using Significant Digits in Test Data to
1.2 The values stated in SI units are to be regarded as
Determine Conformance with Specifications
standard. No other units of measurement are included in this
E300 Practice for Sampling Industrial Chemicals
standard.
2.2 U.S. Federal Specification:
1.3 The following applies to all specified limits in this
PPP-C-2020 Chemicals, Liquid, Dry, and Paste: Packaging
standard; for purposes of determining conformance with this
3
of
standard, an observed value or a calculated value shall be
rounded off “to the nearest unit” in the last right-hand digit
3. Properties
used in expressing the specification limit, in accordance with
3.1 Dibutyl phthalate (99 % grade) shall conform to the
the rounding-off method of Practice E29.
following requirements:
1.4 For specific hazard information and guidance, see the
Apparent specific gravity:
supplier’sMaterialSafetyDataSheetformaterialslistedinthis
20/20°C 1.046 to 1.050
specification.
or
25/25°C 1.043 to 1.047
A
2. Referenced Documents
Color, Pt-Co scale, max 20
B
Odor nonresidual
2
2.1 ASTM Standards:
C
Water, max, weight % 0.2
D
D268 Guide for Sampling andTestingVolatile Solvents and Acidity (free acid as phthalic 0.01
acid), max, weight %
Chemical Intermediates for Use in Paint and Related
Ester value, max, weight % not less than 99.0
Coatings and Material
______________
D1209 Test Method for Color of Clear Liquids (Platinum-
A
Instrumental Pt-Co color determined byTest Method D5386 have been shown
Cobalt Scale) to have no statistically significant difference from Pt-Co color determined by Test
Method D1209. However, it is not known whether dibutyl phthalate was part of the
D1296 Test Method for Odor of Volatile Solvents and
sample set included in the interlaboratory study.
Diluents
B
Optional as agreed upon between supplier and consumer.
C
D1364 Test Method for Water in Volatile Solvents (Karl
Thisquantitativelimitensuresthatthematerialismisciblewithoutturbiditywith
19 volumes of 99 % heptane at 20°C.
Fischer Reagent Titration Method)
D
Equivalent to 0.067 mg of KOH per gram of sample.
D1476 Test Method for Heptane Miscibility of Lacquer
Solvents
4. Sampling
D1613 Test Method for Acidity in Volatile Solvents and
4.1 The material shall be sampled in accordance with
Chemical Intermediates Used in Paint, Varnish, Lacquer,
Practice E300.
and Related Products
D1617 Test Method for Ester Value of Solvents and Thin-
5. Test Methods
ners
5.1 The properties enumerated in this specification shall be
D4052 Test Method for Density, Relative Density, and API
determined in accordance with the following ASTM methods:
Gravity of Liquids by Digital Density Meter
5.1.1 Apparent Specific Gravity—Determine the apparent
specific gravity at 20 or 25°C by a convenient method that is
1 accurate to the thi
...

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5.1 In order to calculate the volatile organic content (VOC) of paints containing EPA exempt solvents, it is necessary to know the acetone, methyl acetate, or parachlorobenzotrifluoride content. This gas chromatographic test method provides a simple and direct way for measuring these solvents. Each analyte is measured with respect to a unique internal standard. For acetone, the internal standard used is acetone-d6, for methyl acetate it is methyl acetate-d3, and for PCBTF it is metachlorobenzotrifluoride (MCBTF). These unique analyte/internal standard pairs behave very nearly as single solvents with respect to evaporation rate and adsorption rate onto a coated silica fiber (SPME) but are separable on a gas chromatograph (GC) capillary column. The only critical analytical technique required for successfully performing this test method is the ability of an analyst to weigh a paint sample and internal standard, corresponding to the analyte of interest, into a septum capped vial. After weighing, solvent evaporation has no effect on the final value of the determination. Since whole paint is not injected into the gas chromatograph, the analytical system is never compromised.
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1.1 This test method is for the determination of acetone, methyl acetate, or parachlorobenzotrifluoride (PCBTF), or combination of any of the three, in paints and coatings, by solid phase microextraction (SPME) headspace sampling, and subsequent injection into a gas chromatograph. It has been evaluated for cellulose nitrate, acrylic, and urethane solvent-borne systems. The established working range of this test method is: acetone, 28 to 90 %; methyl acetate, 12 to 22 %; parachlorobenzotrifluoride, 10 to 17 %. There is no reason to believe that it will not work outside these ranges. A minor modification of this test method would make it suitable for the analysis of the same analytes in water-borne coatings (see Note 1).
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1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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