Organiske forbindelser, hvor et brintatom eller mere er blevet erstattet af et halogenatom i et alkanmolekyle (mættet kulbrintekæde). Halogenatomer omfatter brom, klor, fluor og jod. Forbindelser kan være i lukkede ringkonfigurationer.
GHS P Statement IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. Keep away from heat/spark
Sundhedsfare 2
GHS H Statement Toxic if swallowed. Toxic if inhaled. Causes skin irritation. May cause respiratory irritation. Suspected of causing cancer. Highly flammable liquid and vapor.