5-Hexene-2-one
| Section 1. Identification | |||
|---|---|---|---|
| Chemical Name | 5-Hexene-2-one | CAS No. | 109-49-9 |
| Synonyms | allylacetone; 5-hexen-2-one | Chinese Name | 5-已烯-2-酮 |
| Molecular Formula | C6H10O | Molecular Weight | 98.143 |
| UN No. | 1224 | Data Source | PubChem (NIH/NLM) |
| GHS Hazard Classification | |
|---|---|
| Signal Word | WARNING |
| Pictograms | GHS02 · Flammable |
| Hazard Statements | H226 |
| Precautionary Statements | P210P233P240P241P242P243P280P303+P361+P353P370+P378P403+P235P501 |
| Contents | |||
|---|---|---|---|
| Section 2 | Hazards Identification | Section 9 | Physical and Chemical Properties |
Section 2. Hazards Identification
This chemical does not meet GHS hazard criteria for 0.8% (11 of 1435) of reports.
H226 (99.2%): Flammable liquid and vapor [Warning Flammable liquids]
P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 1435 reports by companies from 3 notifications to the ECHA C&L Inventory.
Reported as not meeting GHS hazard criteria per 11 of 1435 reports by companies.
There are 2 notifications provided by 1424 of 1435 reports by companies with hazard statement code(s).
Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Section 9. Physical and Chemical Properties
Boiling point
Heat of sublimation
Optical coefficient
Refractive index
Vapor pressure
EU Flavoring substances
Fragrance Ingredient (5-Hexen-2-one) -> IFRA transparency List
Fatty Acyls [FA] -> Oxygenated hydrocarbons [FA12]
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.
