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α-Terpinene

SIAL/95652 - analytical standard

Synonym: 1-Isopropyl-4-methyl-1,3-cyclohexadiene; p-Mentha-1,3-diene

CAS Number: 99-86-5
Empirical Formula (Hill Notation): C10H16
Molecular Weight: 136.23
EC Number: 202-795-1
MDL Number: MFCD00001534
Linear Formula: C10H16
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-95652-100MG 100 mg
 $166.00
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assay ≥90% (GC)
bp 173-175 °C (lit.)
density 0.837 g/mL at 25 °C (lit.)
format neat
grade analytical standard
impurities ≤0.3% water
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
Quality Level 100 
refractive index n20/D 1.470-1.486
  n20/D 1.478 (lit.)
shelf life limited shelf life, expiry date on the label
SMILES string CC(C)C1=CC=C(C)CC1
storage temp. −20°C
Application: α-Terpinene may be used as an analytical standard for the determination of the analyte in wines, Achillea tenuifolia essential oil and stressed plants by chromatography based techniques.
General description: α-Terpinene belongs to the class of cyclic monoterpenes, the potential antimicrobial compounds identified in a variety of medicinal and aromatic plants. It is one of the main active constituents of tea tree oil (TTO). The antioxidant activity of tea tree essential oil is attributed to the presence of α-Terpinene at a concentration of 5-13%. α-Terpinenes can also be utilized as flavor enhancing agents in food industries and fragrances in cosmetics, and in household products, including detergents, soaps, air fresheners, and insect repellents.
Purity ≥90% (GC)
bp 173-175 °C (lit.)
Density 0.837 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.470-1.486; n20/D 1.478 (lit.)
Storage Temp. −20°C
UNSPSC 12352200

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