(±)-Epoxyisophorone
[CAS# 10276-21-8]

Identification

• Classification: Flavors and spices >> Synthetic spice >> Ketone fragrance >> Acyclic aliphatic ketone
• Name: (±)-Epoxyisophorone
• Synonyms: 2,3-Epoxy-3,5,5-trimethyl-1-cyclohexanone; 2,3-Epoxy-3,5,5-trimethylcyclohexanone
• Molecular Formula: C₉H₁₄O₂
• Molecular Weight: 154.21
• CAS Registry Number: 10276-21-8
• EC Number: 693-050-3

Properties

• Solubility: Slightly soluble (6.2 g/L) (25 ºC), Calc.^*
• Density: 1.056±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Boiling point: 70-73 ºC (5 Torr)^**
• Refractive index: 1.4539 (589.3 nm 20 ºC)^***
• Flash point: 76.5±16.2 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** House, Herbert O.; Journal of the American Chemical Society 1957, V79, P1488-92.

^*** Payne, George B.; Journal of Organic Chemistry 1959, V24, P719-20.

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R20/21/22;R40
• Safety Description: S23;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H332
Skin irritation	Skin Irrit.	2	H315

• Transport Information: UN 1993 / PGIII