W355801

α-Terpinene

≥89%, FCC, FG

• Synonym(s): 1-Isopropyl-4-methyl-1,3-cyclohexadiene, p-Mentha-1,3-diene
• Empirical Formula (Hill Notation): C₁₀H₁₆
• CAS Number: 99-86-5
• Molecular Weight: 136.23
• FEMA Number: 3558
• Beilstein: 1853379
• Council of Europe no.: 11023
• MDL number: MFCD00001534
• UNSPSC Code: 12164502
• PubChem Substance ID: 24901781
• Flavis number: 1.019
• NACRES: NA.21

Properties

• biological source: synthetic
• Quality Level: 400
• grade: FG; Fragrance grade; Halal; Kosher
• Agency: follows IFRA guidelines; meets purity specifications of JECFA
• reg. compliance: EU Regulation 1223/2009; EU Regulation 1334/2008 & 178/2002; FCC; FDA 21 CFR 172.515
• Assay: ≥89%
• refractive index: n20/D 1.478 (lit.)
• bp: 173-175 °C (lit.)
• solubility: 95% ethanol: soluble 1ml/2ml, clear, colorless
• density: 0.837 g/mL at 25 °C (lit.)
• application(s): flavors and fragrances
• Documentation: see Safety & Documentation for available documents
• food allergen: no known allergens
• fragrance allergen: terpineol (mixture of isomers), Alpha-terpinene
• Organoleptic: lemon; medicinal; citrus; woody
• SMILES string: CC(C)C1=CC=C(C)CC1
• InChI: 1S/C10H16/c1-8(2)10-6-4-9(3)5-7-10/h4,6,8H,5,7H2,1-3H3
• InChI key: YHQGMYUVUMAZJR-UHFFFAOYSA-N

Description

General description

α-Terpinene (1-isopropyl-4-methyl-1,3-cyclohexadiene, TER) is a monoterpene found in various plant volatile oils. It is commonly employed as flavoring additive in foods and beverages, as fragrance in cosmetics, and as scent in household products. It is one of the major component of the essential oil of Melaleuca alternifolia.

Application

• Antidepressant and anxiolytic potential of Citrus reticulata Blanco essential oil: a network pharmacology and animal model study.: This study evaluates the antidepressant and anxiolytic effects of essential oils containing α-Terpinene, providing evidence of its therapeutic potential in mental health treatments (Nguyen et al., 2024).

Biochem/physiol Actions

Odor at 10%

Taste at 10 ppm

Other Notes

Natural occurrence: Celery, corriander, fennel, grapefruit, lemon, lime, orange and mandarin oils, nutmeg, oregano, black pepper and Scotch spearmint.

Safety Information

• Pictograms: GHS02,GHS08,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H226,H302,H304,H317,H319,H411
• Precautionary Statements: P210 - P273 - P280 - P301 + P310 - P303 + P361 + P353 - P331
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 2 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Sens. 1B
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 122.0 °F - closed cup
• Flash Point(C): 50 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves