99.5% Propylene Glycol PG 57-55-6
CAS No:57-55-6
Appearance:Colorless transparent liquid
| Items | Specifications(USP32) |
| Appearance | Colorless or pale yellow viscous transparent liquid |
| Purity(%) | ≧99.0% |
| Acidity(ml,0.1N NaOH 2.0g) | ≤0.2 |
| Specific Gravity(20 °C, kg/ m3) | 1118-1122 |
| Refractive Index(ηD20) | 1.568—1.570 |
| Freezing Point(°C) | ≥17.0 |
| Moisture(%) | ≤0.3 |
| Sulphate Ash(%) | ≤0.1 |
(1) Benzyl benzoate is mainly used in the area of textile auxiliary, fragrance and flavor, pharmacy, plasticizer and so on.
(5) Food additive in artificial flavors[citation needed]
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