2-Methyl-4-propyl-1,3-oxathiane

CAS NO.：67715-80-4
Empirical Formula: C8H16OS
Molecular Weight: 160.28
MDL number: MFCD00673203
EINECS: 000-000-0
SAFETY DATA SHEET (SDS)
Update Date: 2025-07-04 15:14:03

What is 2-Methyl-4-propyl-1,3-oxathiane?

Chemical properties

Colorless liquid

Occurrence

Reported found in passion fruit.

Definition

ChEBI: 2-methyl-4-propyl-1,3-oxathiane is an organosulfur heterocyclic compound and an oxacycle that is 1,3-oxathiane substituted by a methyl group at position 2 and a propyl group at position 4 respectively. It has a role as a metabolite. It is an organosulfur heterocyclic compound and an oxacycle.

Aroma threshold values

Detection: 2 to 4 ppb. Aroma characteristics at 1.0%: bright impacting sulfury, catty, green alliaceous vegetative, tropical, oil, grapefruit, ripe fruity, reminiscent of pulpy mango and peach.

Taste threshold values

Taste characteristics at 2 ppm: sulfurous, pulpy tropical passion fruit and durian, oily green waxy, citruslike, gooseberry-like, ripe fresh pineapple with a rootlike radish nuance.

General Description

2-Methyl-4-propyl-1,3-oxathiane (mixture of cis and trans) is the key sulfur-containing aroma and flavor compound of yellow passion fruit.

Properties of 2-Methyl-4-propyl-1,3-oxathiane

Boiling point:	218-220 °C (lit.)
Density	0.975 g/mL at 25 °C (lit.)
refractive index	1.4800
FEMA	3578 \| 2-METHYL-4-PROPYL-1,3-OXATHIANE
Flash point:	50 °C
storage temp.	2-8°C
form	clear liquid
color	Colorless to Yellow to Orange
Odor	at 1.00 % in dipropylene glycol. green tropical galbanum pineapple
JECFA Number	464
CAS DataBase Reference	67715-80-4(CAS DataBase Reference)

Safety information for 2-Methyl-4-propyl-1,3-oxathiane

Signal word	Warning
Pictogram(s)	Flame Flammables GHS02
GHS Hazard Statements	H226:Flammable liquids
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.