99-86-5

99-86-5 structure

Name: alpha-Terpinene
Chemical Name: α-terpinene
CAS Number: 99-86-5
Molecular Formula: C₁₀H₁₆
Molecular Weight: 136.234
Catalog: Organic raw materials Hydrocarbon compounds and their derivatives Cyclic hydrocarbon
Create Date: 2018-06-07 14:23:31
Modify Date: 2025-08-23 18:55:44
α-Terpinene (Terpilene) is a monoterpene found in the essential oils of a large variety of foods and aromatic plants such as Mentha piperita. α-Terpinene is active against Trypanosoma evansi and has the potential for trypanosomosis treatment. α-Terpinene has antioxidant and antifungal properties[1][2][3][4].

Name	α-terpinene
Synonyms	a-Terpinene α-Terpinene Terpilene Terpinene α -Terpinene alpha-terpinene p-Mentha-1,3-diene 1-methyl-4-isopropyl-1,3-cyclohexadiene 1-methyl-4-propan-2-yl-cyclohexa-1,3-diene L6U CUTJ AY1&1 D1 1-Isopropyl-4-methyl-1,3-cyclohexadiene 1-methyl-4-propan-2-ylcyclohexa-1,3-diene 1-Methyl-4-(propan-2-yl)cyclohexa-1,3-diene 1-Isopropyl-4-methylcyclohexa-1,3-diene 1,3-Cyclohexadiene, 1-methyl-4-(1-methylethyl)- MFCD00001534 EINECS 202-795-1 MFCD0001534 FEMA No. 3558

Description	α-Terpinene (Terpilene) is a monoterpene found in the essential oils of a large variety of foods and aromatic plants such as Mentha piperita. α-Terpinene is active against Trypanosoma evansi and has the potential for trypanosomosis treatment. α-Terpinene has antioxidant and antifungal properties[1][2][3][4].
Related Catalog	Research Areas >> Infection Signaling Pathways >> Anti-infection >> Fungal
Target	Trypanosoma evansi[1]
References	[1]. Matheus D Baldissera, et al. In Vitro and in Vivo Action of terpinen-4-ol, γ-Terpinene, and α-Terpinene Against Trypanosoma Evansi. Exp Parasitol. 2016 Mar;162:43-8. [2]. Patricia R Quiroga, et al. Contribution of Organic Acids to α-Terpinene Antioxidant Activity. Food Chem. 2019 Mar 30;277:267-272. [3]. Johanna Rudbäck, et al. α-Terpinene, an Antioxidant in Tea Tree Oil, Autoxidizes Rapidly to Skin Allergens on Air Exposure. Chem Res Toxicol. 2012 Mar 19;25(3):713-21. [4]. B Oliva, et al. Antimycotic Activity of Melaleuca Alternifolia Essential Oil and Its Major Components. Lett Appl Microbiol. 2003;37(2):185-7.

Density	0.8±0.1 g/cm3
Boiling Point	174.1±0.0 °C at 760 mmHg
Melting Point	-59.03°C (estimate)
Molecular Formula	C₁₀H₁₆
Molecular Weight	136.234
Flash Point	46.1±0.0 °C
Exact Mass	136.125198
LogP	4.53
Appearance	Liquid \| Clear colorless to light yellow
Vapour Pressure	1.6±0.1 mmHg at 25°C
Index of Refraction	1.476
Storage condition	−20°C
Water Solubility	95% ethanol: soluble1ml/2ml, clear, colorless \| Soluble in ether, alcohol, and ethanol (100 mg/ml). Insoluble in water.

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 14,873,1976 ** REPRODUCTIVE DATA **

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Effects on Newborn - behavioral

REFERENCE :: FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 34,477,1996

TOXIC EFFECTS :: Reproductive - Maternal Effects - other effects Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

REFERENCE :: FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 34,477,1996 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5037 No. of Facilities: 1539 (estimated) No. of Industries: 29 No. of Occupations: 27 No. of Employees: 40804 (estimated) No. of Female Employees: 9980 (estimated)

Symbol	GHS02, GHS07, GHS09
Signal Word	Warning
Hazard Statements	H226-H302-H315-H319-H335-H411-H413
Precautionary Statements	P210-P261-P273-P280-P301 + P312 + P330-P304 + P340 + P312-P305 + P351 + P338-P337 + P313-P403 + P235
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn,N
Risk Phrases	R10
Safety Phrases	26-36/37-61-62
RIDADR	UN 2319 3/PG 3
WGK Germany	2
RTECS	OS8060000
Packaging Group	III
Hazard Class	3.2
HS Code	3805909000

HS Code	2902199090
Summary	2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%