No. Crossbow is a brand name for a combination of 2,4-D, one of the phenoxyacetic acid family of chemicals, and triclopyr, one of the oxyacetic acids.

Phenoxy- is a prefix to indicate the presence of the group '-OC6H5', composed of phenyl and an atom of oxygen. Phenoxyacetic acid is used as a precursor in antibiotic fermentations especially for penicillin V and is a main skeleton of plant growth regulators and herbicides. It is used as an intermediate for manufacturing dyes, pharmaceuticals, pesticides, fungicides. It is used in flavoring.

Sulfuric acid, Hydrochloric acid, Nitric acid, Phosphoric Acid

Some examples that would be considered an acid: sulfuric acid, nitric acid, hydrofluoric acid, perchloric acid, boric acid, periodic acid, salicilic acid, stearic acid, citric acid, oxalic acid, etc.

# HydroFlouric acid # HydroCholoric acid # HydroBromic acid # Hydrogen Iodine # Carbonic acid # Hydronium acid # Sulferic acid # Nitric acid # Hydrogen Nitrate # Hydrogen Cyanide # Ribonucelic Acid # Deoxyribosenucleic Acid # Acetic Acid # Lactic Acid # Hydrogen Borate # Ascorbic Acir # Boraic Acid # AcetacyclicSalic Acid # Salic acid # Phosporic Acid