Clove oil
[CAS# 8000-34-8]

Identification

• Classification: Food additive >> Food spice >> Natural spice additives
• Name: Clove oil
• CAS Registry Number: 8000-34-8
• EC Number: 616-772-2
• FEMA: 2323

Properties

• Density: 1.04 g/mL (25 ºC)
• Boiling Point: 251 ºC
• Refractive index: 1.532
• Flash point: 115 ºC (closed cup)

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Aspiration hazard	Asp. Tox.	1	H304
Skin sensitization	Skin Sens.	1	H317
Flammable liquids	Flam. Liq.	3	H226
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin sensitization	Skin Sens.	1B	H317
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312

Discovory and Applicatios

Clove oil is an essential oil extracted from the flower buds of Syzygium aromaticum, a tree native to the Maluku Islands in Indonesia. The oil is obtained through steam distillation of the dried flower buds, which results in a dark yellow to brownish liquid with a strong, spicy aroma. Clove oil has been used for centuries in various cultural and medicinal practices, with a well-documented history in both traditional medicine and industry.

The discovery of clove oil’s medicinal and aromatic properties dates back to ancient times. Cloves were highly valued in Chinese, Indian, and Roman societies, not only as a spice but also for their therapeutic benefits. The oil itself became known for its analgesic, antiseptic, and anti-inflammatory effects. Clove oil was commonly used in ancient civilizations to treat dental pain and other ailments. The practice of using clove oil for dental purposes continues today, as the oil contains eugenol, a compound known for its numbing and analgesic properties.

Clove oil gained prominence in the Western world during the 16th century, particularly after European traders began to establish routes to the Spice Islands, where clove trees were grown. By the 19th century, clove oil was widely used in the preparation of medicines, perfumes, and flavoring agents. Its role in traditional medicine as a remedy for toothaches, indigestion, and respiratory issues has been particularly well established.

The primary active compound in clove oil is eugenol, which is responsible for its distinct scent and many of its therapeutic effects. Eugenol has been extensively studied for its analgesic, anti-inflammatory, and antimicrobial properties. Due to these properties, clove oil is frequently used in dental care products such as toothpaste, mouthwash, and topical gels for relieving toothache pain. It is also used as a natural remedy for gingivitis and other gum diseases.

In addition to its applications in dental care, clove oil has been utilized in aromatherapy for its potential to relieve stress, improve mental clarity, and alleviate symptoms of respiratory conditions such as asthma and bronchitis. The oil’s ability to act as an expectorant makes it useful for treating congestion and promoting easier breathing.

Clove oil is also used in the food and beverage industry as a flavoring agent, where it is added in small amounts to provide a spicy, warm flavor. It is commonly found in baked goods, candy, and beverages, and is sometimes used to enhance the flavor of savory dishes, particularly in Asian and Middle Eastern cuisines.

Furthermore, clove oil is employed in natural cleaning products due to its antimicrobial and antifungal properties. It is often included in formulations for disinfectants and air fresheners, contributing both to the scent and the cleaning efficacy of the products.

Despite its many uses, clove oil should be used with caution. It can cause skin irritation or an allergic reaction in sensitive individuals, and concentrated forms should be diluted before application. Ingesting large amounts of clove oil can be toxic, and its use should be carefully monitored, especially in children and pets.

In summary, clove oil is a versatile essential oil with a rich history of use in traditional medicine, oral care, and as a flavoring and fragrance agent. Its primary active ingredient, eugenol, is responsible for much of its therapeutic and aromatic properties. While it is widely used in various industries, safety precautions must be taken to avoid potential adverse reactions from its concentrated form.