Rose Oil
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
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1 DEFINITION
Rose Oil is volatile oil distilled with steam from the fresh flowers of Rosa gallica L, Rosa damascena Miller, Rosa alba L., Rosa centifolia L., and varieties of these species (Fam. Rosaceae).
2 SPECIFIC TESTS
Specific Gravity 〈841〉
Analysis: Measure at 30° compared with water at 15°.
Acceptance criteria: 0.848–0.863
Optical Rotation, Angular Rotation〈781A〉: −1° to −4°
Refractive Index 〈831〉: 1.457–1.463 at 30°
Solubility Test
Analysis: 1 mL is miscible with 1 mL of chloroform without turbidity. Add 20 mL of 90% alcohol to this mixture.
Acceptance criteria: The resulting liquid is neutral or acid to moistened litmus paper and, upon standing at 20°, deposits crystals within 5 min.
3 ADDITIONAL REQUIREMENTS
Packaging and Storage: Preserve in well-filled, tight containers.
