α-Terpineol
CAS 98-55-5
EC 202-680-6
Formula C10H18O
MW 154.25 g/mol
Flavors & Fragrances Personal Care & CosmeticsPharmaceuticals & Healthcare Solvent & Carrier
Description
α-Terpineol (CAS 98-55-5, EC 202-680-6, C10H18O), also known commercially as PC 593, Terpineol 350, and Terpenol, is a naturally occurring monocyclic monoterpene alcohol derived from pine oil. It carries no E-code designation and is classified under HS code 29061400.
In personal care formulations, α-Terpineol functions as a fragrance ingredient and skin conditioner, where its lilac-like scent profile contributes to finished product character while its hydroxyl group supports emollient activity at the skin surface. In pharmaceutical manufacturing, it serves as a solvent and carrier, improving the solubility and penetration of active compounds in topical preparations.
α-Terpineol is available in cosmetic and pharmaceutical grades, with compliance documentation aligned to REACH regulations and IFRA guidelines. It meets FCC quality standards relevant to flavour and fragrance applications. Packaging is typically offered in drums and IBCs suited to industrial procurement volumes.
In personal care formulations, α-Terpineol functions as a fragrance ingredient and skin conditioner, where its lilac-like scent profile contributes to finished product character while its hydroxyl group supports emollient activity at the skin surface. In pharmaceutical manufacturing, it serves as a solvent and carrier, improving the solubility and penetration of active compounds in topical preparations.
α-Terpineol is available in cosmetic and pharmaceutical grades, with compliance documentation aligned to REACH regulations and IFRA guidelines. It meets FCC quality standards relevant to flavour and fragrance applications. Packaging is typically offered in drums and IBCs suited to industrial procurement volumes.
Physical Properties
| Melting Point | 35-40 °C |
| Boiling Point | 218-221 °C @ Press: 764 Torr |
| Density | 0.935 g/cm³ @ Temp: 20 °C |
| Flash Point | 90 °C |
| Appearance | clear colorless to slightly yellow liquid |
| Color | Clear colorless |
| Odor | at 100.00 %. pine terpene lilac citrus woody floral |
| Form | Liquid After Melting |
| Water Solubility | negligible |
| Vapor Pressure | 6.48Pa at 23℃ |
| Refractive Index | 1.482-1.485 |
| Log P | 2.6 at 30℃ |
Safety & Handling (Learn More)
Warning GHS07
H
H227H315H319H335
P
P210P261P264P271P280P319P321P403P405P501P264+P265P302+P352P304+P340P332+P317P337+P317P362+P364P370+P378P403+P233P305+P351+P338
Trade & Regulatory
| HS Code | 29061400 |
| UN Number | 1230 |
| Packing Group | II |
| Storage Class | 10 - Combustible liquids |
| WGK (Germany) | 1 |
Other Names
2-(4-methylcyclohex-3-en-1-yl)propan-2-olTerpenolTerpineolLily of valleyAlpha-TerpineolPC 593A-TERPINEOLTerpineol 350dl-α-Terpineol
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