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D3728-08 – Standard Test Method Technical Guide
📋 Scope, Referenced Documents, and Key Test Methods
ASTM D3728-08 (Reapproved 2012) specifically covers the requirements for 99% grade 2-Ethoxyethyl Acetate, a solvent widely used in paints, coatings, and chemical intermediate applications. The values stated in SI units are regarded as the standard. This specification is under the jurisdiction of ASTM Committee D01 on Paint and Related Coatings, Materials, and Applications.
Determining conformance requires strict adherence to the referenced ASTM test methods listed in the table below. Practice E29 governs the rounding of observed or calculated values “to the nearest unit” in the last right-hand digit of the specification limit.
| 🔬 ASTM Method | 📋 Title of Method |
|---|---|
| D1078 | Test Method for Distillation Range of Volatile Organic Liquids |
| D1209 | Test Method for Color of Clear Liquids (Platinum-Cobalt Scale) |
| D1364 | Test Method for Water in Volatile Solvents (Karl Fischer Reagent Titration Method) |
| D1613 | Test Method for Acidity in Volatile Solvents and Chemical Intermediates |
| D3545 | Test Method for Alcohol Content and Purity of Acetate Esters by Gas Chromatography |
| D5386 | Test Method for Color of Liquids Using Tristimulus Colorimetry |
| E29 | Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications |
| E300 | Practice for Sampling Industrial Chemicals |
📊 Property Requirements for 2-Ethoxyethyl Acetate (99% Grade)
Section 3 of the standard defines the mandatory physical and chemical properties for the 99% grade material. All limits must be met to ensure product conformity.
| 📏 Property | 📐 Specification Limit | ⚗️ Test Method |
|---|---|---|
| Purity, weight %, min | 99.0 | D3545 |
| Alcohol (as 2-ethoxy ethanol), weight %, max | 0.5 | D3545 |
| Apparent Specific Gravity (20/20°C) | 0.973 to 0.976 | D268 |
| Apparent Specific Gravity (25/25°C) | 0.969 to 0.972 | D268 |
| Distillation Range, IBP min / Dry Point max (°C) | 150 / 160 | D1078 |
| Acidity as acetic acid, weight %, max | 0.02 | D1613 |
| Water, weight %, max | 0.10 | D1364 |
| Color, Pt-Co scale, max | 15 | D1209 / D5386 |
⚠️ Note on Color Testing: Instrumental Pt-Co color determined by Test Method D5386 has been shown to have no statistically significant difference from Pt-Co color determined by Test Method D1209. However, it is not known whether 2-ethoxyethyl acetate was part of the sample set included in the interlaboratory study. (Standard Note 2).
💡 Optional Distillation Specification: The distillation range limits (Initial Boiling Point min 150°C, Dry Point max 160°C) are required unless otherwise agreed upon between the buyer and the seller. (Standard Note 1).
⚗️ Sampling, Safety, and Conformance
Sampling of the material must be performed in accordance with Practice E300. For specific hazard information and safety guidance, it is mandatory to consult the supplier’s Material Safety Data Sheet (SDS) for this specification. The acidity limit of 0.02% is equivalent to 0.19 mg of KOH per gram of sample.
Notes and footnotes in the standard (excluding those in tables and figures) provide explanatory material but shall not be considered as requirements of the standard. Packaging must conform to U.S. Federal Specification PPP-C-2020.
❓ Frequently Asked Questions
🔍 What is the specific purity requirement for D3728 Grade 2-Ethoxyethyl Acetate?
© 2026 TNLab — This article is a technical interpretation for reference only. The original standard as published by ASTM International takes precedence.