Naptalam

Action/Use:

Herbicide

Use: For numerous broadleaf weeds on cucurbits, vine crops, and nursery stock.

Identification

Common Name(s): Naptalam (ISO, BSI, WSSA); ; Naptalame (ISOF); ; Alanap (Turkey)

Chemistry

Mode of Action / Resistance Management

Chemical Group: Phthalamate

Mode of Action: Inhibition of auxin transport

Action Group: HRAC Group P; WSSA Group 19

Environmental Guidelines

Hazards: Fish: LC₅₀ 354 ppm (96 h) (bluegill sunfish); LC₅₀ 76 ppm (96 h) (rainbow trout). Bird: LC₅₀ >10,000 ppm (mallard duck)

Water Solubility: Acid 200 ppm; sodium salt 230,800 ppm

Safety Guidelines

Signal Word: WARNING

Toxicity Class: II

Toxicity: Tech (Rat): Oral LD₅₀ 1770 mg/kg. (Rabbit): Dermal LD₅₀ 2000 mg/kg

Handling/storage Cautions: Store below 140°F or it will precipitate. Crystals will form at freezing but will redissolve with agitation at warmer temperatures

Suppliers and Branded Products

Basic Producers:

Crystal Chemical Inter-America (Naptro*)

Discontinued Names:

Alanap*-L

Ancrack*

Dyanap*

Klean Krop*

Nip-A-Thin*

NPA-3*

Peach Thin 322*

Premerge* Plus

Rescue*