Citrus Oil
[CAS# 8008-56-8]

Identification

• Classification: Food additive >> Food spice >> Natural spice additives
• Name: Citrus Oil
• Synonyms: Citrus Peel Oil; Lemon Oil
• CAS Registry Number: 8008-56-8
• EC Number: 616-925-3
• FEMA: 2625

Properties

• Boiling point: 176 °C
• Refractive index: 1.473
• alpha: +64 ° (neat)
• Flash point: 57 °C (closed cup)

Safety Data

• Hazard Symbols: GHS02;GHS08;GHS07;GHS09 Danger
• Risk Statements: H226-H304-H315-H317-H410
• Safety Statements: P210-P273-P280-P301+P310-P303+P361+P353-P331

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Skin irritation	Skin Irrit.	2	H315
Aspiration hazard	Asp. Tox.	1	H304
Skin sensitization	Skin Sens.	1	H317
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Reproductive toxicity	Repr.	2	H361
Eye irritation	Eye Irrit.	2	H319

Discovery and Applications

Citrus oil, derived from the peels of citrus fruits such as oranges, lemons, limes, and grapefruits, has been utilized for centuries. The extraction of citrus oil dates back to ancient civilizations, where it was employed for its aromatic and medicinal properties. The primary method of extraction is cold pressing, which involves mechanically pressing the citrus peels to release the essential oil. This process preserves the oil's natural compounds, including limonene, a monoterpene known for its distinctive citrus aroma.

In contemporary applications, citrus oil is widely used across various industries. In the food industry, it serves as a natural flavoring agent, imparting a fresh citrus taste to products such as beverages, candies, and baked goods. Its antimicrobial properties also make it valuable in food preservation, helping to extend shelf life and maintain food safety.

In the pharmaceutical and cosmetic sectors, citrus oil is incorporated into products like perfumes, lotions, and cleaning agents due to its pleasant fragrance and potential therapeutic benefits. Research has highlighted its antioxidant, anti-inflammatory, and antimicrobial properties, contributing to its inclusion in various formulations.

Additionally, citrus oil is utilized in aromatherapy for its uplifting and mood-enhancing effects. Its invigorating scent is believed to promote relaxation and reduce stress, making it a popular choice in essential oil blends.

In summary, citrus oil has a long-standing history of use, with applications spanning culinary, pharmaceutical, cosmetic, and therapeutic fields. Its diverse properties and versatility continue to make it a valuable resource in various industries.

References

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