ASTM D3128-07(2021) PDF

Overview

ASTM D3128-07(2021): Standard Specification for 2-Methoxyethanol sets forth the requirements for 2-methoxyethanol, commonly known as ethylene glycol monomethyl ether. This standard, developed by ASTM International, defines essential properties and quality criteria to ensure the consistent specification, testing, and procurement of 2-methoxyethanol used in industrial and commercial applications. The document outlines methods for sampling, test procedures, and packaging, supporting quality assurance and regulatory compliance within the chemical and coatings industries.

Key Topics

• Physical and Chemical Properties: The standard details threshold requirements for properties such as apparent specific gravity, color (Pt-Co scale), distillation range (boiling and dry points), water content, and acidity (free acid as acetic acid). These properties are critical in ensuring the purity and suitability of 2-methoxyethanol for sensitive industrial processes.
• Test Methods: ASTM D3128-07(2021) references established ASTM test methods for verifying compliance, including:
  • Apparent specific gravity (per ASTM D4052)
  • Color measurement (ASTM D1209, or D5386)
  • Distillation range (ASTM D1078)
  • Water content (ASTM D1364)
  • Acidity (ASTM D1613)
• Sampling and Packaging: The standard mandates sampling in accordance with ASTM Practice E300 and specifies packaging requirements based on regulatory demands or agreement between supplier and purchaser.
• Units and Rounding: All measurements are to be reported in SI units, with rounding procedures clarified as per ASTM Practice E29.
• Safety & Compliance: Guidance on safety, health, and environmental practices is included, emphasizing the user’s responsibility to reference supplier-provided Material Safety Data Sheets (MSDS) and observe appropriate protective measures.

Applications

2-methoxyethanol is widely used as a solvent and chemical intermediate in various industrial sectors. The standard is valuable in contexts such as:

• Manufacturing of Paints and Coatings: Ensures stable solvent performance for formulation consistency in the production of paints, varnishes, and specialty coatings.
• Chemical Processing: Maintains the integrity and quality of intermediates where 2-methoxyethanol is a critical input.
• Laboratory Analysis: Enables accurate and repeatable research, testing, and quality control procedures by defining consistent material properties.
• Procurement and Quality Assurance: Provides a baseline for purchasing specifications, supplier audits, and acceptance criteria in chemical supply chains.

By establishing uniform criteria, ASTM D3128-07(2021) supports industries in minimizing variability, ensuring product reliability, and meeting regulatory standards.

Related Standards

ASTM D3128-07(2021) references and aligns with several other ASTM and federal specifications important to handling and testing volatile organic compounds:

• ASTM D268 - Guide for Sampling and Testing Volatile Solvents and Chemical Intermediates
• ASTM D1078 - Test Method for Distillation Range of Volatile Organic Liquids
• ASTM D1209 - Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
• ASTM D1364 - Test Method for Water in Volatile Solvents (Karl Fischer Reagent Titration)
• ASTM D1613 - Test Method for Acidity in Volatile Solvents and Chemical Intermediates
• ASTM D4052 - Test Method for Density, Relative Density, and API Gravity of Liquids
• ASTM D5386 - Test Method for Color of Liquids Using Tristimulus Colorimetry
• ASTM E29 - Practice for Using Significant Digits in Test Data to Determine Conformance
• ASTM E300 - Practice for Sampling Industrial Chemicals
• U.S. Federal Specification PPP-C-2020 - Specification for Packaging of Chemicals, Liquid, Dry, and Paste

These references ensure comprehensive procedures and robust compatibility with established standards, reinforcing ASTM D3128-07(2021) as an essential resource for users working with 2-methoxyethanol.