FEMA 3227
- CAS NO.：5905-46-4
- Empirical Formula: C6H12S2
- Molecular Weight: 148.29
- EINECS: 227-604-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-03 14:17:14
What is FEMA 3227?
Chemical properties
Propenyl propyl disulfide has an odor and taste like that of cooked onions.
Occurrence
Flavor component of onion oil (trans-form); roasted onion, raw leek, Welsh onion, scallion and chives (Allium schoenoprosum).
Preparation
Treatment of 1-ethylthio-2-propenylthioethene with NaNH2 in liquid ammonia results in formation of Na-1-propenethiolate; which reacts with S-propyl propanethiosulfonate to give propenyl propyl disulfide in good yield.
Properties of FEMA 3227
| FEMA | 3227 | PROPENYL PROPYL DISULFIDE |
| Odor | at 0.10 % in propylene glycol. sulfurous cooked onion |
| JECFA Number | 570 |
Safety information for FEMA 3227
Computed Descriptors for FEMA 3227
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