Overview
ASTM D2190-07(2021): Standard Specification for Vinyl Acetate defines the quality, properties, and testing methods for vinyl acetate, a key chemical used in various industrial applications. Published by ASTM International, this standard ensures that vinyl acetate meets strict quality benchmarks, making it suitable for use in manufacturing processes and product formulations where consistency and purity are critical.
ASTM D2190 specifies requirements for distillation range, specific gravity, color, water content, acetaldehyde content, acidity, and inhibitor content of vinyl acetate. The document also outlines accepted sampling and testing procedures and refers to other important testing and packaging standards to support safe and efficient chemical handling.
Key Topics
-
Quality Parameters:
- Distillation Range: Specifies acceptable boiling point limits to ensure product consistency.
- Apparent Specific Gravity: Defined at 20°C to confirm product density.
- Color (Pt-Co scale): Applicable for HQ grade, using tests to ensure clarity and color standards.
- Water Content: Maximum allowable percentage to minimize purity issues.
- Acetaldehyde Content: Sets tight controls on impurities to avoid product degradation.
- Acidity (Acetic Acid Content): Limits presence of acid for stability and compatibility.
- Inhibitor Content: Ensures sufficient inhibitor to stabilize vinyl acetate during storage.
-
Test Methods:
- ASTM references established procedures (such as D4052 for specific gravity and D1209 for color) to ensure reliable, repeatable results.
- All values are expressed in SI units, maintaining consistency with international measurement standards.
- Rounding rules follow Practice E29 for clarity in meeting specification limits.
-
Sampling and Packaging:
- Sampling must follow recognized best practices for industrial chemicals (see ASTM E300).
- Packaging requirements comply with federal and industry transportation regulations, and must be agreed upon by supplier and buyer.
-
Safety Considerations:
- Users are directed to consult the supplier’s Material Safety Data Sheet (MSDS) for hazard guidance.
- The standard adheres to World Trade Organization (WTO) Technical Barriers to Trade (TBT) principles, ensuring global applicability.
Applications
Vinyl acetate produced to ASTM D2190 specifications is used in:
- Polymer manufacturing: Essential for producing polyvinyl acetate (PVAc) adhesives, coatings, and films.
- Chemical intermediates: Acts as a precursor for producing other chemicals such as polyvinyl alcohol.
- Paints and coatings: Used in formulations requiring consistent quality and minimal impurities.
- Packaging materials: Ensures end products meet consumer safety and performance requirements.
By conforming to ASTM D2190, manufacturers can guarantee uniformity, compliance, and safe handling across industries using vinyl acetate. This promotes efficient supply chain management and upholds best practices in chemical procurement and application.
Related Standards
- ASTM D1078: Distillation range of volatile organic liquids.
- ASTM D1209: Color testing for liquids (Platinum-Cobalt scale).
- ASTM D1364: Water content determination in volatile solvents.
- ASTM D2086: Testing acidity in vinyl acetate and related materials.
- ASTM D2191: Acetaldehyde content in vinyl acetate.
- ASTM D4052: Digital density meter for determining specific gravity.
- ASTM E29: Guidelines for using significant digits in test data for conformance.
- ASTM E300: Sampling industrial chemicals.
- U.S. Federal Spec. PPP-C-2020: Packaging requirements for chemicals.
Adopting ASTM D2190-07(2021) for vinyl acetate ensures compliance with international quality and safety norms, facilitating seamless trade and reliable performance in downstream applications.