R.I. Gen. Laws § 21-30-7: Poisons subject to labeling and registration.

The following substances are poisons subject to labeling as provided in § 21-30-6:

(1) Arsenic and its preparations.

(2) Carbolic acid.

(3) Corrosive sublimate.

(4) Cotton root and its preparations.

(5) Cyanide of potassium.

(6) Ergot and its preparations.

(7) Hydrocyanic acid.

(8) Opium and its preparations, paregoric excepted.

(9) Oxalic acid.

(10) Savin.

(11) Strychnia.

(12) Volatile oil of bitter almonds, of pennyroyal, of savin, and of tansy.

(13) Proprietary or secret medicines recommended, sold or advertised as emmenagogues and parturients.