H303 — May be harmful if swallowed
Hazard class: Acute toxicity, oral · Category 5
8 substances with this hazard classification
What does H303 mean?
The substance may be harmful if swallowed, based on available data.
Safety Guidance
If you feel unwell, seek medical advice.
Substances with H303
| Substance | CAS Number | Signal Word |
|---|---|---|
| 1,2-dichloroethylene | 540-59-0 | Danger |
| 1,2-dimethoxyethane | 110-71-4 | Danger |
| 1,3-dioxolane | 646-06-0 | Danger |
| 1-(4-aminophenyl)-2,2,2-trifluoroethan-1-one | 23516-79-2 | Warning |
| 1,4-dichlorobenzene | 106-46-7 | Warning |
| 1,6-dioxacyclododecane-7,12-dione | 777-95-7 | Warning |
| (±)-butan-2-ol | 15892-23-6 | Warning |
| (RS)-2-(2,4-dichlorophenyl)-1-(1H-1,2,4-triazol-1-yl)hexan-2... | 79983-71-4 | Warning |