CAS 99-86-5|alpha-Terpinene
| Common Name | alpha-Terpinene | ||
|---|---|---|---|
| CAS Number | 99-86-5 | Molecular Weight | 136.234 |
| Density | 0.8±0.1 g/cm3 | Boiling Point | 174.1±0.0 °C at 760 mmHg |
| Molecular Formula | C10H16 | Melting Point | -59.03°C (estimate) |
| MSDS | ChineseUSA | Flash Point | 46.1±0.0 °C |
| Symbol | GHS02, GHS07, GHS09 | Signal Word | Warning |
Names
| Name | α-terpinene |
|---|---|
| Synonym | More Synonyms |
alpha-Terpinene BiologicalActivity
| 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 >>InfectionSignaling 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. |
Chemical & Physical Properties
| 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 of Characters | Liquid | Clear colorless to light yellow |
| Vapour Pressure | 1.6±0.1 mmHg at 25°C |
| Index of Refraction | 1.476 |
| InChIKey | YHQGMYUVUMAZJR-UHFFFAOYSA-N |
| SMILES | CC1=CC=C(C(C)C)CC1 |
| Storage condition | −20°C |
| Water Solubility | 95% ethanol: soluble1ml/2ml, clear, colorless | Soluble in ether, alcohol, and ethanol (100 mg/ml). Insoluble in water. |
Toxicological Information
CHEMICAL IDENTIFICATION |
ACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1680 mg/kg
- 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 **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 600 mg/kg
- SEX/DURATION :
- female 6-15 day(s) after conception
- 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
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 2500 mg/kg
- SEX/DURATION :
- female 6-15 day(s) after conception
- 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)
Safety Information
| 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 |
Customs
| 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% |
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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 |
