H304 — May be fatal if swallowed and enters airways

Hazard class: Aspiration hazard · Category 1

71 substances with this hazard classification

What does H304 mean?

The substance may be fatal if swallowed and enters the respiratory tract (aspiration), causing chemical pneumonia or pulmonary damage.

If swallowed, do NOT induce vomiting. Immediately call a poison center or doctor. Store locked up.

Substance	CAS Number	Signal Word
(E,Z)-2,6-dimethylocta-2,4,6-triene	7216-56-0	Danger
(phenylethyl)benzene	38888-98-1	Danger
(-)-pin-2(10)-ene	18172-67-3	Danger
(R)-5-isopropyl-2-methylcyclohexa-1,3-diene	4221-98-1	Danger
(R)-MECBS	112022-83-0	Danger
(R)-(+)-p-(1,2,2-trimethylcyclopentyl)toluene	16982-00-6	Danger
(R)-p-mentha-1,8-diene	5989-27-5	Danger
(S)-p-mentha-1,8-diene	5989-54-8	Danger
(Z)-1,3-dichloropropene	10061-01-5	Danger
(Z)-3,7-dimethylocta-1,3,6,-triene	3338-55-4	Danger
(Z)-3-methylpent-2-ene	922-62-3	Danger
(Z)-cyclooctene	931-87-3	Danger
(Z,E)-undeca-1,3,5-triene	19883-27-3	Danger
(Z)-hexa-1,4-diene	7318-67-4	Danger
(Z)-hexadec-11-enal	53939-28-9	Danger
(Z)-non-3-ene	20237-46-1	Danger
(Z)-oct-4-ene	7642-15-1	Danger
(Z)-octadec-9-enylamine	112-90-3	Danger
(Z)-pent-2-ene	627-20-3	Danger
(Z)-penta-1,3-diene	1574-41-0	Danger
(Z,Z)-cycloocta-1,5-diene	1552-12-1	Danger