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D4360-11 – Standard Test Method Technical Guide
This specification, ASTM D4360-11 (Reapproved 2019), covers methyl n-amyl ketone (98% grade) for use in paints, varnishes, lacquers, and related products. It defines the required properties, test methods, and sampling procedures to ensure material quality and consistency.
📋 Scope and Referenced Documents
The standard applies to methyl n-amyl ketone with a purity of 98% minimum. It references several ASTM standards for testing, including D268 for sampling and testing volatile solvents, D1078 for distillation range, D1209 for color, D1364 for water content, D1613 for acidity, D3893 for purity, D4052 for density, and D5386 for color by tristimulus colorimetry. Additionally, Practice E29 guides rounding of data to determine conformance, and Practice E300 covers sampling procedures. Federal specification PPP-C-2020 is referenced for packaging.
📊 Key Properties and Specifications
Methyl n-amyl ketone must meet the following requirements:
| 🟦 Property | 🎯 Requirement | ⚡ Test Method |
|---|---|---|
| Apparent Specific Gravity (20/20°C) | 0.815–0.818 | D4052 or equivalent |
| Apparent Specific Gravity (25/25°C) | 0.812–0.815 | D4052 or equivalent |
| Color (Pt-Co Scale), max | 10 | D1209 or D5386 |
| Distillation at 760 mmHg, Initial Boiling Point, min | 147°C | D1078 |
| Distillation at 760 mmHg, Dry Point, max | 153.5°C | D1078 |
| Water Content, max, weight% | 0.1% | D1364 |
| Acidity (as acetic acid), max, weight% | 0.02% | D1613 |
| Purity, min, weight% | 98% | D3893 |
🔬 Sampling and Test Methods
Sampling must follow Practice E300. The apparent specific gravity can be determined by any accurate method to three decimal places, with water temperature controlled accordingly. All specified limits require conformance based on rounded values per Practice E29.
Note: Instrumental Pt-Co color by D5386 has shown no significant difference from D1209 results in interlaboratory studies, though methyl n-amyl ketone may not have been included in the sample set.
Safety: Always consult the supplier’s Material Safety Data Sheet (MSDS) for hazard information and guidance when handling methyl n-amyl ketone.
❓ Frequently Asked Questions
🔍 What is the minimum purity requirement?
The specification requires a minimum purity of 98% by weight for methyl n-amyl ketone, as determined by Test Method D3893 (gas chromatography).
💡 How is color measured and what are the limits?
Color is measured on the Pt-Co scale with a maximum of 10. Test Methods D1209 (visual) or D5386 (instrumental) can be used, as they produce statistically equivalent results.
⚡ What are the specific gravity requirements?
At 20/20°C, the specific gravity must be between 0.815 and 0.818. At 25/25°C, it must be between 0.812 and 0.815.
📌 What is the distillation range for this product?
The initial boiling point must be at least 147°C, and the dry point must not exceed 153.5°C at 760 mm Hg, tested according to Method D1078.